Airproducts

MR-310/320 Series Relay Modules provide solutions for low-voltage and sensitive circuit control switching in digital and analog systems integration applications including fire, security, access and building automation. Use of two differently referenced power sources for trip and host inputs allow a trip from a source as low as 3.2mA @ 5VDC. Polarized trip and host inputs grant that either or both may be supervised, and/or utilize polarity reversal logic for complex multi-criteria operations. www.airproducts.com ...

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