Overview

The GE Multilin 469-P1-HI-A20-E-H Motor Management Relay is engineered for real-time protection, monitoring, and control of motors used in heavy-duty industrial systems. It supports motors driving pumps, compressors, fans, and conveyors in sectors such as power generation, mining, and petrochemicals.

This model features a high-voltage control power input (90–300 VDC or 70–265 VAC), making it suitable for global installations. Moreover, it includes conformal coating for enhanced environmental durability and an expanded 40-character LCD for intuitive local operation. In addition to its core protection functions, the relay provides motor health diagnostics, thermal modeling, and event recording to support predictive maintenance and reduce downtime.

Therefore, the 469-P1-HI-A20-E-H relay is ideal for facilities that demand reliable motor control, fault isolation, and long-term performance in harsh operating conditions.

Technical Data

Typical Applications

• Pump and Fan Protection: Prevents motor damage due to overload, stall, or phase imbalance.

• Compressor Control: Monitors motor health and trip conditions in high-pressure systems.

• Conveyor Systems: Ensures safe operation and fault isolation in continuous material handling.

• Power Generation: Used in auxiliary motor control for turbines and generators.

• Mining and Petrochemical Plants: Supports rugged motor protection in corrosive and high-vibration environments.

For instance, in a mining operation, the relay can detect motor overheating and initiate a controlled shutdown before damage occurs. In addition, its event recording helps maintenance teams analyze faults and improve system reliability.

FAQ

Q1: What voltage range does the control power input support?
It supports 90–300 VDC or 70–265 VAC at 48–62 Hz.

Q2: How many analog outputs are available?
There are four analog outputs ranging from 0 to 1 mA.

Q3: What kind of motors is this relay designed for?
It is designed for medium to large motors in industrial applications.

Q4: Does it support Ethernet communication?
Yes, Ethernet is available as an optional feature.

Q5: What industries commonly use this relay?
Industries include power generation, mining, petrochemical, and heavy manufacturing