Alarm Mini-Input Module - FireWatcher 811M
The Mini input module FW811M monitors a single dry contact and is a UL/ULC listed device according to UL864 and ULC-S527 for fire protective signalling systems for indoor use.
The field circuit of the mini input module is monitored for open line faults and ground faults and the contact must be wired with an end-of-line resistor. The type of input contact is configurable for NO/NC operations. The FW811M module can easily fit into a single-gang box.