Hazardous Area Detection

Dual Galvanic Isolator

Product Overview

The Fire and Smoke Detector Interface (ISMTL5561) is a two-channel interface for use with conventional fire and smoke detectors located in hazardous areas.

The product features galvanic isolation and reverse input polarity protection.


  • 35 mm DIN-rail mounting


WARNING: The information on this website must not be treated as complete instructions for the design, construction, installation, commissioning, or maintenance of systems in hazardous areas. Cabling and fire system devices in hazardous areas must be designed and installed by properly qualified persons, in accordance with all applicable standards and regulations.