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                    • Reduced Price
                      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
                      No. of Contacts
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                      ComparePrice ForQuantity
                      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-226R-3Q
                      SECO-LARM SM-226R-3Q
                      2808827
                      SECO-LARM
                      1. Round Overhead Door Contact
                      Each
                      1+
                      HK$227.300
                      Min: 1 / Mult: 1
                      -
                      -
                      -
                      -
                      -
                      -
                      -
                      -
                      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-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-226LQ
                      SECO-LARM SM-226LQ
                      2808375

                      Data Sheet

                      SECO-LARM
                      1. Product Range:SM Series
                      Each
                      1+
                      HK$146.470
                      Min: 1 / Mult: 1
                      SM Series
                      SPST-NO
                      Overhead Door Magnetic Switch
                      -
                      -
                      109mm
                      -
                      -
                      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-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
                      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-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
                      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-226L-3Q
                      SECO-LARM SM-226L-3Q
                      2808374

                      Data Sheet

                      RoHS

                      SECO-LARM
                      1. Product Range:SM Series
                      Each
                      1+
                      HK$212.000
                      Min: 1 / Mult: 1
                      SM Series
                      SPDT-1NO, SPDT-NC
                      Overhead Door Magnetic Switch
                      -
                      11mm
                      -
                      44mm
                      -
                      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
                      -
                      -
                      -
                      SM-226RQ
                      SECO-LARM SM-226RQ
                      2808376

                      Data Sheet

                      SECO-LARM
                      1. Product Range:SM Series
                      Each
                      1+
                      HK$172.080
                      Min: 1 / Mult: 1
                      SM Series
                      -
                      -
                      -
                      -
                      -
                      -
                      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
                      -
                      -
                      -
                      -
                      -
                      -
                      -
                      -
                      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$45.870
                      Min: 1 / Mult: 1
                      -
                      SPDT-NO
                      -
                      -
                      6.35mm
                      -
                      -
                      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-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
                      -
                      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$447.390
                      Min: 1 / Mult: 1
                      -
                      -
                      -
                      -
                      -
                      -
                      -
                      -
                      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-4601-L3Q
                      SECO-LARM SM-4601-L3Q
                      2808840

                      Data Sheet

                      SECO-LARM
                      1. Industrial Wide Gap Contact
                      Each
                      1+
                      HK$169.580
                      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$213.700
                      Min: 1 / Mult: 1
                      -
                      -
                      Overhead Door Magnetic Switch
                      -
                      -
                      79mm
                      66mm
                      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$199.610
                      5+
                      HK$189.650
                      10+
                      HK$180.040
                      20+
                      HK$178.180
                      50+
                      HK$174.350
                      Min: 1 / Mult: 1
                      -
                      SPST-NO
                      Call Point
                      -
                      93mm
                      89mm
                      58.5mm
                      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
                      SD-7202GC-PEQ
                      SECO-LARM SD-7202GC-PEQ
                      2809011

                      Data Sheet

                      SECO-LARM
                      1. ALARM SWITCH
                      2. SPDT
                      3. 10A
                      4. 125VAC
                      Each
                      1+
                      HK$292.930
                      Min: 1 / Mult: 1
                      -
                      -
                      -
                      -
                      -
                      -
                      -
                      -
                      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$243.960
                      5+
                      HK$231.790
                      10+
                      HK$220.040
                      20+
                      HK$217.770
                      50+
                      HK$213.090
                      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.