Johnson Controls | M300RJ

Johnson Controls M300RJ Addressable Relay Control Module

The Johnson Controls M300RJ is an addressable relay control module designed to integrate with intelligent fire alarm control panels. It provides a dry-contact output, enabling the activation of various auxiliary devices such as fans, dampers, and control equipment. This module enhances system flexibility by allowing manual or programmed activation of connected devices. 

Key Features:

• Addressable Relay Activation – Enables targeted control of auxiliary devices through manual commands or panel programming, enhancing system responsiveness.

• Dry-Contact Output – Provides a reliable interface for activating external equipment like fans, dampers, and other control devices, ensuring seamless integration.

• Rotary Address Switches – Equipped with user-friendly rotary switches for straightforward and accurate address setting during installation.

• Panel-Controlled LED Indicator – Features an LED that provides visual status indication, aiding in system monitoring and diagnostics.

• Compact Design – Mounts directly to standard 4-inch square electrical boxes, facilitating easy installation and maintenance.