The product photos shown are not of the actual items. Please contact sales@fyplc.cn for details.

1. Product Title

GE SR469-P5-HI-A20 – Motor Management Relay

2. Product Overview

The GE SR469-P5-HI-A20 is an advanced motor management relay designed to provide comprehensive protection, monitoring, and control for medium and large industrial motors. Developed by General Electric, this relay is part of the well-known SR469 motor protection series used in modern power distribution and industrial automation systems.

The GE SR469-P5-HI-A20 integrates multiple protective functions including thermal overload protection, phase monitoring, ground fault detection, and motor start supervision. It is engineered to safeguard critical motors from electrical faults and abnormal operating conditions that could lead to costly downtime or equipment damage. With integrated diagnostics and communication capabilities, the GE SR469-P5-HI-A20 enables operators to monitor motor health, optimize maintenance strategies, and improve overall reliability of industrial drive systems.

3. Technical Specifications

• Product Model: GE SR469-P5-HI-A20

• Brand: GE

• Warranty: One Year

• Input Voltage: 90–300 V AC / 70–265 V DC (typical auxiliary supply)

• Operating Temperature: –20 °C to +60 °C

• Storage Temperature: –40 °C to +85 °C

• Response Time: Fast protective relay response for fault conditions

• Protection Class: IP20 (panel mounted)

• Accuracy Class: High-precision measurement and protection accuracy

• Output Frequency: System dependent

• Rated Current Range: Supports motor current monitoring through CT inputs

• Communication Interface: RS485 / optional Ethernet (depending on configuration)

• Supported Protocols: Modbus RTU and other industrial communication protocols

• Overload Capacity: Designed to withstand temporary overload and fault conditions

• Dimensions: Standard panel-mounted protective relay format

4. Main Features and Benefits

• Comprehensive Motor Protection:
  Provides multiple protective functions including thermal overload, phase imbalance, stall protection, and ground fault detection to protect valuable motor assets.

• Advanced Monitoring and Diagnostics:
  Real-time monitoring of motor parameters such as current, load status, and fault conditions helps improve predictive maintenance and reduce unexpected shutdowns.

• Flexible System Integration:
  Communication interfaces allow integration with SCADA, DCS, and plant monitoring systems for centralized control and diagnostics.

• 

5. Application Scenarios

• Oil and Gas Processing Facilities:
  Protects critical motors used in pumps, compressors, and processing equipment.

• Power Generation Plants:
  Ensures reliable operation of auxiliary motors such as cooling pumps, fans, and conveyors.

• Industrial Manufacturing Systems:
  Provides protection and monitoring for large motors in heavy machinery and production lines.

6. Frequently Asked Questions (FAQ)

Q: What are the main functions of GE SR469-P5-HI-A20?
A: It provides protection, monitoring, and control for industrial motors, including thermal overload protection, fault detection, and operational diagnostics.

Q: Is GE SR469-P5-HI-A20 compatible with legacy systems?
A: Yes. The relay supports standard industrial communication protocols and can be integrated into existing protection schemes, SCADA systems, or plant control architectures.