A composite fire detector that detects the temperature and smoke inside the switchboard
STD-M4 (Hot Smoke Detector) / STD-M4-I (Indicator)
Alarm in case of fire by detecting temperature and smoke
Easy external connection with RS-485 communication
Up to 16 units can be connected in series
Smoke detection method: photoelectric / Temperature detection method: radiant heat
Current status can be checked through 5 LEDs
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