AA Euro Dual Input Single Output Module

Product Overview

The M221E is a dual input single output module used for the monitoring of normally open contact fire alarm and supervisory devices. It also provides a single pole changeover contacts for the control of auxiliary devices such as fire shutters. Valid addresses on F100A and F120A are 0 to 99.


  • Common mechanical platform for box, panel and DIN rail mount versions
  • Tri-colour LEDs
  • Built-in short circuit isolators
  • Decade address switches visible and selectable in two planes
  • Wide angle LED visibility