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    M500MB MONITOR MODULE SIGNALLING DEVICE by SYSTEM SENSOR BRAND NEW!!

    • Item No : 336034481305
    • Condition : New
    • Brand : System Sensor
    • Seller : kneesee1
    • Current Bid : US $34.99

    • * Item Description

    • System Sensor’s monitor modules provide an interface to contact devices, such as security contacts, waterflow switches, or pull stations. They are capable of Styles A and B supervised wiring to the load device (M500MB is capable of Style D). Conventional 4- wire smoke detectors can be monitored through their alarm and trouble contacts, wired as an initiating loop to the module.
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