Code:  400-003
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CO gas detector, 12~24VDC, relay output


400-series non-addressable carbon monoxide (CO) gas alarms are suitable for connection to 2-wire and 4-wire non-addressable fire detection control and indicating equipment. 400 detectors can also connect to 2-wire and 4-wire addressable fire detection control and indicating equipment that can accept non-addressable detectors.

Advanced electronics in conjunction with a semiconductor gas sensor provide early detection of carbon monoxide gas and high immunity against unwanted alarms.

The 400 CO alarm range provides fire detection and alarm system designers with a Standarts-compliant, economical gas detector for life safety and property protection applications.


  • advanced algorithms provide advanced detection discrimination;
  • stable gas sensing chamber. No adjustment or replacement required;
  • high immunity against unwanted alarms;
  • 2-wire or 4-wire system operation;
  • magnet-initiated alarm test function;
  • loud 85dB internal sounder available on some models;
  • easy installation. No programming required;
  • sleek, low-profile housing design;
  • low maintenance.

You can find the product by unique code: 400-003.

Part number 400-003
Gases detected CO (Carbon monoxide);
Alarm contact 12V;
Sound level 85 dB;
Ingress protection (IP) IP43;
Working temperature, °C -25°C + 75°C
Size 99 mm x 45 mm
Certificate CE;
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