Edwards EST SIGA-CRR Polarity Reversal Relay Module

The Edwards EST SIGA-CRR is a standard 1-gang polarity-reversal relay module for Signature Series loops, used to group-activate compatible sounder bases by reversing a 24 VDC feed. It features electronic addressing with microprocessor supervision for reliable operation and mounts cleanly in a single-gang box with on-board status LEDs for quick checks. Key Specifications: Type: Intelligent addressable polarity-reversal relay module, standard 1-gang mount Core Function(s): Reverses 24 VDC polarity to drive groups of sounder bases or auxiliary circuits Loop/Protocol: Signature SLC with electronic addressing Power: 15.2 to 19.95 VDC from SLC; 75 μA standby, 75 μA active Indicators/UI: Green LED (polled), Red LED (active) Notes: Output rated for pilot-duty applications; uses one SLC address Compatible Modules & Accessories: SIGA-MP1 – Single-footprint mounting plate SIGA-MP2 – Half-footprint mounting plate SIGA-MP2L – Half-footprint extended mounting plate SIGA-MB4 – Bracket to mount two 1-gang modules in a 2-gang box 27193-11 – Surface-mount box, red, 1-gang 27193-16 – Surface-mount box, white, 1-gang System Compatibility: Works with Edwards Signature Series control panels, including EST3, EST3X, and iO Series.