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                      1. Home
                      2. Sensors & Transducers
                      3. Sensors
                      4. Pressure Sensors, Transducers
                      5. Pressure Switches
                      Print Page

                      6721-40

                      Pressure Switch, Vacuum, Vacuum, 4mm Spout, 185 mbar, 670 mbar, SPDT, 250 VAC

                      HERGA 6721-40
                      Image is for illustrative purposes only. Please refer to product description.
                      ManufacturerHERGA
                      Manufacturer Part No6721-40
                      Order Code7230448
                      Technical Datasheet

                      Data Sheet

                      See all Technical Docs
                      4 In Stock

                      Need more?

                      4 Delivery in 3-4 Business Days(UK stock)
                      QuantityPrice
                      1+HK$322.410
                      5+HK$315.190
                      10+HK$307.430
                      25+HK$301.290
                      50+HK$295.140
                      100+HK$288.990
                      Price for:Each
                      Minimum: 1
                      Multiple: 1
                      HK$322.41
                      Add Part No. / Line Note
                      Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                      Product Information

                      ManufacturerHERGA
                      Manufacturer Part No6721-40
                      Order Code7230448
                      Technical Datasheet

                      Data Sheet

                      Pressure TypeVacuum
                      Pressure Fitting Style4mm Spout
                      Pressure Port Type4mm Spout
                      Operating Pressure Min185mbar
                      Operating Pressure Max670mbar
                      Contact ConfigurationSPDT
                      Sensor MountingPanel / Chassis
                      Switching Voltage Max250VAC
                      Electrical ConnectionQuick Connect
                      Switching Current Max21A
                      Pressure Port Size4mm
                      Transducer Connection / TerminationQuick Connect
                      Deadband Min-
                      Deadband Max-
                      Operating Temperature Min-5°C
                      Operating Temperature Max70°C
                      Product Range-
                      SVHCNo SVHC (23-Jan-2024)

                      Product Overview

                      The 6721-40 is a 1-pole Vacuum Switch designed primarily for the OEM manufacturer who requires high reliability. UL recognized version. The switches have excellent repeat accuracy. Body made of nylon 12, diaphragm of neoprene. Silver plated contact.

                      • Side entry spout vacuum connection
                      • -5 to 70°C Operating temperature

                      Applications

                      Industrial

                      Technical Specifications

                      Pressure Type

                      Vacuum

                      Pressure Port Type

                      4mm Spout

                      Operating Pressure Max

                      670mbar

                      Sensor Mounting

                      Panel / Chassis

                      Electrical Connection

                      Quick Connect

                      Pressure Port Size

                      4mm

                      Deadband Min

                      -

                      Operating Temperature Min

                      -5°C

                      Product Range

                      -

                      Pressure Fitting Style

                      4mm Spout

                      Operating Pressure Min

                      185mbar

                      Contact Configuration

                      SPDT

                      Switching Voltage Max

                      250VAC

                      Switching Current Max

                      21A

                      Transducer Connection / Termination

                      Quick Connect

                      Deadband Max

                      -

                      Operating Temperature Max

                      70°C

                      SVHC

                      No SVHC (23-Jan-2024)

                      Technical Docs (1)

                      Technical Data Sheet EN

                      Legislation and Environmental

                      Country of Origin:
                      Country in which last significant manufacturing process was carried outCountry of Origin:
                      Great Britain
                      Country in which last significant manufacturing process was carried out
                      Tariff No:85365080
                      US ECCN:EAR99
                      EU ECCN:NLR
                      RoHS Compliant:Yes

                      RoHS

                      RoHS Phthalates Compliant:Yes

                      RoHS

                      SVHC:No SVHC (23-Jan-2024)
                      Download Product Compliance Certificate

                      Product Compliance Certificate

                      Weight (kg):.052
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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.