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                                                                                                    1. Home
                                                                                                    2. Security
                                                                                                    3. Intrusion Detection
                                                                                                    4. Alarm Switches

                                                                                                    Alarm Switches:

                                                                                                    29 Products Found
                                                                                                    Find a huge range of Alarm Switches at e絡盟 Hong Kong. We stock a large selection of Alarm Switches, including new and most popular products from the world's top manufacturers including: Seco-larm, Kac, C&k Components & George Risk Industries
                                                                                                    View
                                                                                                    Buyer
                                                                                                    Engineer
                                                                                                    Manufacturer
                                                                                                    Product Range
                                                                                                    Contact Configuration
                                                                                                    Switch Type
                                                                                                    External Length / Height
                                                                                                    External Height
                                                                                                    External Width
                                                                                                    External Depth
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                                                                                                    SS-072Q
                                                                                                    SECO-LARM SS-072Q
                                                                                                    2808653

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Tamper Switch N/C
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$28.110
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SM-216Q/GY
                                                                                                    SECO-LARM SM-216Q/GY
                                                                                                    2808372

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Product Range:Screw-Terminal Surface-Mou
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$76.160
                                                                                                    Min: 1 / Mult: 1
                                                                                                    Screw-Terminal Surface-Mount Contact
                                                                                                    -
                                                                                                    Surface Mount Magnetic Switch
                                                                                                    -
                                                                                                    14mm
                                                                                                    100mm
                                                                                                    -
                                                                                                    1 Contact
                                                                                                    SM-200Q/BR
                                                                                                    SECO-LARM SM-200Q/BR
                                                                                                    2808364

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Product Range:Screw-Terminal Surface-Mou
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$31.740
                                                                                                    Min: 1 / Mult: 1
                                                                                                    Screw-Terminal Surface-Mount Contact
                                                                                                    -
                                                                                                    SPST
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    14mm
                                                                                                    -
                                                                                                    SM-207-5Q/BR
                                                                                                    SECO-LARM SM-207-5Q/BR
                                                                                                    2808369

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Product Range:SM Series
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$39.000
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    1NO
                                                                                                    SPST
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SM-300Q/W
                                                                                                    SECO-LARM SM-300Q/W
                                                                                                    2808377

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Product Range:SM Series
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$38.100
                                                                                                    Min: 1 / Mult: 1
                                                                                                    SM Series
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    14mm
                                                                                                    -
                                                                                                    SM-4303-TQ/W
                                                                                                    SECO-LARM SM-4303-TQ/W
                                                                                                    2808838

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Roller-Ball Quick Connect
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$29.920
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    Reed Switch
                                                                                                    -
                                                                                                    -
                                                                                                    19mm
                                                                                                    -
                                                                                                    1 Contact
                                                                                                    SM-200Q/W
                                                                                                    SECO-LARM SM-200Q/W
                                                                                                    2808365

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Product Range:SM Series
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$31.740
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    SPST
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    1 Contact
                                                                                                    MUS1A-R470SG-01
                                                                                                    KAC MUS1A-R470SG-01
                                                                                                    1004630

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    KAC
                                                                                                    1. Alarm Switch
                                                                                                    2. SPST-NO
                                                                                                    3. Call Point
                                                                                                    4. 93 mm
                                                                                                    5. 89 mm
                                                                                                    6. 58.5 mm
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$204.650
                                                                                                    5+
                                                                                                    HK$194.380
                                                                                                    10+
                                                                                                    HK$184.360
                                                                                                    20+
                                                                                                    HK$181.470
                                                                                                    50+
                                                                                                    HK$177.120
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    SPST-NO
                                                                                                    Call Point
                                                                                                    -
                                                                                                    93mm
                                                                                                    89mm
                                                                                                    58.5mm
                                                                                                    1 Contact
                                                                                                    SM-4105-LQ/W
                                                                                                    SECO-LARM SM-4105-LQ/W
                                                                                                    2808834

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Steel Door Recessed Contact with Leads N
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$48.050
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SM-226R-3Q
                                                                                                    SECO-LARM SM-226R-3Q
                                                                                                    2808827
                                                                                                    SECO-LARM
                                                                                                    1. Round Overhead Door Contact
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$233.170
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SM-4105-LQ/B
                                                                                                    SECO-LARM SM-4105-LQ/B
                                                                                                    2808833

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Steel Door Recessed Contact N.C.1" Gap (
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$48.050
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SM-205Q/BR
                                                                                                    SECO-LARM SM-205Q/BR
                                                                                                    2808368

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Product Range:SM Series
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$36.260
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    SPST
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SM-226LQ
                                                                                                    SECO-LARM SM-226LQ
                                                                                                    2808375

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Product Range:SM Series
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$150.230
                                                                                                    Min: 1 / Mult: 1
                                                                                                    SM Series
                                                                                                    SPST-NO
                                                                                                    Overhead Door Magnetic Switch
                                                                                                    -
                                                                                                    -
                                                                                                    109mm
                                                                                                    -
                                                                                                    -
                                                                                                    SM-204Q/W
                                                                                                    SECO-LARM SM-204Q/W
                                                                                                    2808367

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Product Range:SM Series
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$36.140
                                                                                                    5+
                                                                                                    HK$33.350
                                                                                                    10+
                                                                                                    HK$31.540
                                                                                                    20+
                                                                                                    HK$29.980
                                                                                                    50+
                                                                                                    HK$28.850
                                                                                                    Min: 1 / Mult: 1
                                                                                                    SM Series
                                                                                                    -
                                                                                                    Surface Mount Magnetic Switch
                                                                                                    -
                                                                                                    -
                                                                                                    35mm
                                                                                                    -
                                                                                                    1 Contact
                                                                                                    SM-226L-3Q
                                                                                                    SECO-LARM SM-226L-3Q
                                                                                                    2808374

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SECO-LARM
                                                                                                    1. Product Range:SM Series
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$217.300
                                                                                                    Min: 1 / Mult: 1
                                                                                                    SM Series
                                                                                                    SPDT-1NO, SPDT-NC
                                                                                                    Overhead Door Magnetic Switch
                                                                                                    -
                                                                                                    11mm
                                                                                                    -
                                                                                                    44mm
                                                                                                    -
                                                                                                    SM-4104-TQ/W
                                                                                                    SECO-LARM SM-4104-TQ/W
                                                                                                    2808832

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Steel Door Recessed Contact N.C.1" Gap (
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$51.670
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    SPST
                                                                                                    -
                                                                                                    -
                                                                                                    24mm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SM-4301-TQW
                                                                                                    SECO-LARM SM-4301-TQW
                                                                                                    2808836

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Plunger Type Contact
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$29.020
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    1 Contact
                                                                                                    55F-12WG-BA-W
                                                                                                    GEORGE RISK INDUSTRIES 55F-12WG-BA-W
                                                                                                    2819437

                                                                                                    Data Sheet

                                                                                                    GEORGE RISK INDUSTRIES
                                                                                                    1. 50 Series Miniature Switch - Wide Gap
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$48.190
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    SPDT-NO
                                                                                                    -
                                                                                                    -
                                                                                                    6.35mm
                                                                                                    -
                                                                                                    -
                                                                                                    1 Contact
                                                                                                    SS-073Q
                                                                                                    SECO-LARM SS-073Q
                                                                                                    2808654

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Tamper Switch N/O
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$30.180
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SM-226RQ
                                                                                                    SECO-LARM SM-226RQ
                                                                                                    2808376

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Product Range:SM Series
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$176.520
                                                                                                    Min: 1 / Mult: 1
                                                                                                    SM Series
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    1 Contact
                                                                                                    SM-4601-LQ
                                                                                                    SECO-LARM SM-4601-LQ
                                                                                                    2808839

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Industrial Wide Gap Contact
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$137.310
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    Surface Mount Magnetic Switch
                                                                                                    -
                                                                                                    12.7mm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SD-7202GC-PTQ
                                                                                                    SECO-LARM SD-7202GC-PTQ
                                                                                                    2809012
                                                                                                    SECO-LARM
                                                                                                    1. ALARM SWITCH
                                                                                                    2. SPST-NO/NC
                                                                                                    3. 3A
                                                                                                    4. 24VDC
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$458.920
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SM-4601-L3Q
                                                                                                    SECO-LARM SM-4601-L3Q
                                                                                                    2808840

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Industrial Wide Gap Contact
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$174.010
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    Surface Mount Magnetic Switch
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    1 Contact
                                                                                                    SM-4201-LQ
                                                                                                    SECO-LARM SM-4201-LQ
                                                                                                    2808835

                                                                                                    Data Sheet

                                                                                                    SECO-LARM
                                                                                                    1. Track-Mount Overhead
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$219.220
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    -
                                                                                                    Overhead Door Magnetic Switch
                                                                                                    -
                                                                                                    -
                                                                                                    79mm
                                                                                                    66mm
                                                                                                    1 Contact
                                                                                                    MCP3A-G0000SF-STICK-12
                                                                                                    KAC MCP3A-G0000SF-STICK-12
                                                                                                    1272702

                                                                                                    Data Sheet

                                                                                                    KAC
                                                                                                    1. Alarm Switch
                                                                                                    2. Resettable
                                                                                                    3. SPST
                                                                                                    4. 93 mm
                                                                                                    5. 89 mm
                                                                                                    6. 59.5 mm
                                                                                                    Each
                                                                                                    1+
                                                                                                    HK$250.120
                                                                                                    5+
                                                                                                    HK$237.570
                                                                                                    10+
                                                                                                    HK$225.320
                                                                                                    20+
                                                                                                    HK$221.790
                                                                                                    50+
                                                                                                    HK$216.480
                                                                                                    Min: 1 / Mult: 1
                                                                                                    -
                                                                                                    SPST
                                                                                                    -
                                                                                                    -
                                                                                                    93mm
                                                                                                    89mm
                                                                                                    59.5mm
                                                                                                    1 Contact
                                                                                                    ComparePrice ForQuantity
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                                                                                                    An Avnet Company© 2025 Premier Farnell Limited. All Rights Reserved.
                                                                                                    e絡盟 is a trading name of eluomeng Limited.
                                                                                                    Registered number: 559890 | Registered office: 21st Floor, Tower 2, Enterprise Square Five, 38 Wang Chiu Road, Kowloon Bay, Kowloon, Hong Kong.