Price match guarantee
We know our products
Quick & Hassle Free
Extensive product catalog
The D125B has two separate NFPA Class B (Style B)powered loops. The module supervises each of theloops for opens, shorts, or ground faults. Both loopscan be powered with either 12 VDC or 24 VDC toconnect compatible two-wire detectors or other twoor four-wire devices such as retarded waterflowswitches, manual stations, heat detectors, or glassbreak detectors.The D125B is suitable for connecting fire or burglarydevices in commercial, industrial, and institutionalapplications. Schools, offices, and health care facilitiesare typical commercial applications.