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Edwards EST 2251FB Photoelectric Smoke Detector fire alarm
Johnson Controls 2251J Intelligent Smoke Detector
The relay contains two isolated sets of Form C contacts
“hard” keys with fixed control functions
ISO-101 Fault Isolator Module
Silent Knight SK-MINIMON Intelligent Mini-Monitor Module JOHNSON CONTROLS M500MJ Edwards EST 2251FB Photoelectric SmokeThe SK MINIMON is an addressable monitor modules for use with the Honeywell Silent Knight fire alarm control panels (FACPs). The SKMINIMON acts as an interface to contact devices, such a waterflow switches and pull stations. The SK MINIMON supports Class B supervised wiring to the load device. Conventional 4 wire smoke detectors can be monitored for alarm and trouble conditions. The SK MINIMON can be mounted in a single gang junction box directly