OSI-RI-FH | Silent Knight Reflective Beam Smoke Detector, Intelligent Addressable, 328 ft Range Do not add the product. The contactor has a pole

The contactor has a pole and throw configuration of 4P and is equipped with wire-type terminals for secure connections

and retry delay

High-Quality Circuit Board: Ensures consistent performance and durability in demanding environments

Discontinued Component: Still in use for legacy system maintenance despite being out of production

OSI-RI-FH | Silent Knight Reflective Beam Smoke Detector, Intelligent Addressable, 328 ft Range Do not add the product. The contactor has a poleDescription The Silent Knight OSI RI FH is an intelligent, addressable single ended reflective beam smoke detector designed for large open areas with high ceilings. Operating on the principle of infrared light obscuration, it ensures reliable smoke detection where spot detectors are impractical. This unit integrates a combined transmitter receiver design and is compatible with IFP and Farenhyt Series Black fire alarm control panels in IDP mode.