The HM-612DC-4 4-wire network photoelectric smoke and heat detector has two signal lines and two power lines. It can output normally open or normally closed dry contact signal. After being triggered, the product raises the alarm and sends the alarm signal (relay on-off signal) to the alarm control system (fire protection system). Adopting the MCU artificial intelligence design, it is compatible with conventional fire alarm control panel in the market. The power source of the product takes usage of non-polarity input. And the wiring base utilizes the metal terminal block, allowing for convenient operation. The 4-wire network photoelectric smoke and heat detector has a square slot at the bottom for the user to set the mode of normally close or normally open, automatic resetting, etc.
Operating Voltage | DC9~35V |
Quiescent Current | 4mA (Normally Open Relay) 13mA (Normally Closed Relay) |
Alarm Current | 19mA (Normally Open Relay) 9mA (Normally Closed Relay) |
Alarm Indication | Red LED |
Smoke Sensitivity | 0.2dB/m(±0.1dB/m) |
Alarm Temperature | 57℃ (135°F) |
Working Temperature | -10℃ ~ 50℃ |
Ambient Humidity | ≤95% RH |
Alarm Output | Relay Output (Optional with Normally Open and Normally Close) |
Relay Contact Rating | 0.5A, DC28V |
Detection Zone | 60-80m² |
Overall Dimension | Ф100×46mm |
Related Names
Thermal Energy Detector | Sensitive Fire Alarm | 4 Wire Fire Detector