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4-Wire Photoelectric Smoke Detector with DC 9-28V Relay Output and 80 dB Alarm for Substation Fire Alarm System

4 Wire Smoke Detector

2026-05-08

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#Four Wire Smoke Detector #4 Wire Heat Detector #Smoke Heat Detector

4-Wire Photoelectric Smoke Detector DC 9-28V Relay Output Fire Alarm Sensor Product Overview Designed for substation fire alarm systems, this 4-wire photoelectric smoke detector provides reliable fire ... View More

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4-Wire Photoelectric Smoke Detector with DC 9-28V Relay Output and 80 dB Alarm for Substation Fire Alarm System

4-Wire Photoelectric Smoke Detector with DC 9-28V Relay Output and 80 dB Alarm for Substation Fire Alarm System

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