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Edwards EST 2251FB Photoelectric Smoke Detector fire alarm
it provides a two wire initiating circuit for normally open contact fire alarm and security devices
— B501BH Intelligent Sounder Base (B200SR Replaces B501BH series bases in retrofit applications)
Average Operating Current: 400 µA
COMPATIBLE INTELLIGENT BASES / DUCT HOUSINGS:
NIB! Notifier FZM-1A Interface Monitor Module fst-751r Edwards EST 2251FB Photoelectric SmokeFZM 1(A) is a standard sized module that monitors and supervises compatible two wire, 24 volt, smoke detectors on a Style D (Class A) or Style B (Class B) circuit. The FZM 1(A) Interface Module is intended for use in intelligent, addressable systems, where the individual address of each module is selected using built in rotary switches. This module allows intelligent panels to interface and monitor two wire conventional smoke detectors. It transmits