OSI-RI-FH | Silent Knight Reflective Beam Smoke Detector, Intelligent Addressable, 328 ft Range Do not add the product. The card's efficient performance and

The card's efficient performance and ease of use make it an ideal choice for both new installations and system upgrades

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

offering protection and longevity for the electrical components housed within

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

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 card's efficient performance andDescription 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.