Edwards EST SIGA-IM2 Fault Isolator Module

The Edwards EST SIGA-IM2 is a line fault isolator module for Signature Series loops. It opens on a short to keep the rest of a Class A SLC operating, then automatically re-energizes and restores service when the fault clears. Electronic addressing, automatic device mapping, and a green status LED support fast checks and service. Key Specifications: Type: Intelligent addressable SLC fault isolator module Core Function(s): Opens on short and isolates the faulted section; auto-restores after the fault clears Loop/Protocol: Signature Series SLC Power: 15.2 to 19.95 VDC Current: 45 µA typical in standby and when activated Indicators/UI: Green LED flashes when polled Mounting: 2-gang box or 4-inch square box with 2-gang cover; accepts 12 to 18 AWG conductors Operating Range: 32 to 120 °F; 0 to 93 percent RH, non-condensing Notes: Maximum 6 ohms circuit resistance between isolators; Class A wiring only; uses one device address Compatible Accessories: SIGA-MP1 – Signature module mounting plate, 1 footprint SIGA-MP2 – Signature module mounting plate, half footprint SIGA-MP2L – Signature module mounting plate, half footprint extended MFC-A – Multifunction fire cabinet for Signature modules System Compatibility: EST4, EST3, EST3X, and iO Series control panels using a Signature loop controller. NOTE: Replaces SIGA-IM