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a System Trouble LED
MAPNET II zone adapter modules (ZAMs) provide an addressable interface between conventional zone devices and the host fire alarm control panel
The Notifier FMM-1 Addressable Monitor Module is an intelligent
Supervises a Style B (Class B) circuit of dry-contact input devices
System Sensor 5251H Intelligent High Temperature Thermal Detector System Sensor 2551 a System Trouble LEDThese sensors are designed to provide open area protection with 50 foot spacing capability as approved by UL 521. Model 5251B is a fixed temperature sensor with a 135F fixed temperature alarm. Model 5251RB is a rate of rise temperature sensor with a 135F fixed temperature alarm. Model 5251H is a high temperature sensor with a 190F fixed temperature alarm. Two LEDs on each sensor light to provide 360 visibility of the sensor indication. The LEDs can be
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