Fire Watcher 811M Mini Input Monitor Module

Original price was: $100.00.Current price is: $60.00.

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 signaling systems for indoor use.

  • Compatible with 10K Ohms end of line resistor (FW421)
  • Compatible with FW561-RI remote LED indicator

Product Documents




It is an intelligent addressable module and takes one address on the Signaling Line Circuit (SLC) or Data Communication Link (DCL) of the fire alarm control panel.


The FW811M Input Module is designed to be inserted into a single gang utility box next to the dry contact device that it is monitoring.

UL/ULC Approved

UL864 / ULC S527

Alarm Causing

An alarm causing input will produce an ALARM event. The remote red LED will indicate the alarm condition by turning on steady.

Additional information

Weight .2 kg
Dimensions 13 × 13 × 5 cm

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