The voltage/current signal sensor can collect the voltage and current value of the detection circuit at the same time, or only collect a certain circuit or a few channels according to actual requirements. It can be networked with the fire-fighting equipment power monitoring host, and the monitoring host can judge the status of the on-site sensor. Status, after the host computer analyzes and processes, it indicates the type of a circuit fault alarm, and sends out an audible and visual fault alarm signal.



1. Rated working voltage: DC 24V (DC 12V-28V)
2. Voltage input range: AC 0-400V
3. Current input range: AC 0-800A
4. Protection action time: ≤0.5s
5. Measurement accuracy: 3%
6. Installation method: guide rail installation
7. Communication method and distance: two-bus communication protocol/≤1500m
8. Protection level: IP 30
9. Executive standard: GB28184-2011
10. Environmental conditions for use: Ambient temperature: -20℃～＋60℃
Relative humidity: 10%～90%

1.Terminal diagram [different product specifications, the function of the terminal may be reduced]

2.Application Diagram

Note:
1. Three-phase AC dual voltage/current monitoring legend
2. Three-phase AC voltage/current monitoring legend

product name	product model	basic function		remarks
Fire protection power supply sensor	CHTK999D		Three-phase, dual-circuit AC voltage Three-phase single-channel AC current Monitor the current, voltage and status of fire equipment	120mm*95mm*55mm