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KB500 Gas Alarm Control Panel

Automatic search at boot

External devices can be started via the panel

Power supply: Main power: AC 220V±33V, 50Hz±5Hz

Consumption: ≤20W

Power to detector: DC24V±6V

Detection connection: 2×PBUS loops, protection current: ≤2.5A



KB500 gas alarm control panel can be combined with Hanwei’s GTQ-BS series gas detectors to form an industrial gas intelligent control system for monitoring and alarming gas concentration at industrial sites.


Automatic search at boot

External devices can be started via the panel

Power management function

English menu, easy to operate

Convenient for online zero calibration and relay setting


It forms a combustible gas alarm control system with an alarm, which is suitable for 9 small places such as industrial and commercial small restaurants, snack bars, barber shops, bathrooms, small hospitals, and shopping malls, underground integrated pipe corridors and other environments where gas may leak.


Power supply Main power: AC 220V±33V, 50Hz±5Hz
Backup battery: DC 24V±3V rechargeable lead-acid battery
Consumption ≤20W
Power to detector DC24V±6V
Detection connection 2×PBUS loops, protection current: ≤2.5A
Digital upload 2×RS485 output, support MODBUS
Relay output 3 active relays, 3 free contact, relay capacity ≤4A
Ingress protection IP54
Working temperature 0℃~40℃
Humidity ≤95%RH
Display and indication 4.3” color LCD screen and status LED indicators
Alarm indication Audible (65dB-100dB@1m), visual
Dimension 370mm×246mm×90mm (without mounting bracket)
Weight ≤15kg

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