Edwards EST SIGA-CRH High Power Control Relay Module

The Edwards EST SIGA-CRH high power control relay module is an intelligent addressable interface for Signature Series loops, providing one relay with two Form C contacts for switching higher voltage or current loads such as door holders, fans, and dampers. It uses electronic addressing, automatic device mapping, and removable terminal blocks to simplify commissioning and service while keeping the SLC side low-current and supervised. Key Specifications: Type: Intelligent addressable high power control relay module Core Function(s): Provides one dry relay output with two Form C contact sets to control external loads from the fire alarm system Loop/Protocol: Signature SLC, Personality Code 8 (dry contact output) Power: 15.2 to 19.95 VDC from SLC; 75 µA maximum in standby and active Indicators/UI: Green status LED (normal polling) and red LED (alarm or active) Contact Ratings: Up to 7 A at 120 or 240 VAC, 6 A at 24 VDC, 0 to 20 kHz audio switching Compatible Modules & Accessories: North American double-gang electrical box, 2 1/8 in deep North American 4 in square electrical box, 2 1/8 in deep System Compatibility: Compatible with Edwards Signature loop controllers on EST3, EST3X, and iO Series fire alarm control panels.