SR489‑P1‑LO‑A20‑E GE Generator Management Relay RIO Bus Module Pulse Count No missing pulses

Pulse Count No missing pulses for pulse rates 0 to 250 Hz

Gross Weight: 8

ensuring long-term compatibility and availability within ABB’s automation platforms

engineers use it to simplify wiring and reduce installation time in control cabinets

Input Voltage Range: -3 to +30 VDC

SR489‑P1‑LO‑A20‑E GE Generator Management Relay RIO Bus Module Pulse Count No missing pulsesOverview The GE Multilin SR489P1LOA20E is part of the 489 Generator Management Relay family, which offers microprocessorbased protection and monitoring for small to mediumsized generators. This relay is designed to detect and respond to electrical and mechanical faults, ensuring safe generator operation under varying load conditions. It supports thermal modeling, current imbalance detection, ground fault protection, loss of field, over under voltage,