516.855.051 855PH Photo Heat Detector with built in line isolator

855PH Photo Heat Detector with built in line isolator

Features:

- Choice of heat, optical, optical and heat multi-sensor or 3oTec triple multi-sensor

- Advanced multi-sensor designs

- Built-in line isolator 855 Series

- Quick and easy to install

- Extended drift compensation

- Fire, isolate and fault LED indications

- Comprehensive range of bases and base accessories