GE 369-HI-0-M-0-0 – Motor Management Relay for Advanced Protection and Monitoring

Overview

The GE 369-HI-0-M-0-0 is a high-performance motor management relay developed by GE Multilin to provide comprehensive protection, control, and monitoring for medium and large motors. Designed for industrial and utility environments, it ensures motor reliability, reduces downtime, and optimizes performance through intelligent diagnostics and real-time communication capabilities.

Technical Specifications

Parameter	Description
Manufacturer	GE Multilin
Model	369-HI-0-M-0-0
Product Type	Motor Management Relay
Power Supply	24–250 V DC / 48–250 V AC
Inputs	3-phase current, optional ground CT input
Outputs	Configurable relay outputs for trip, alarm, and control
Communication Protocols	Modbus RTU, RS485
Display	Graphical LCD with menu navigation
Protection Functions	Thermal overload, phase loss, undercurrent, overcurrent, jam detection, ground fault, and restart inhibit
Trip Accuracy	±2% of full-scale current
Control Features	Start/stop control, breaker monitoring, and motor sequencing
Data Logging	Event and fault recording with time stamps
Operating Temperature	-40°C to +60°C
Mounting Type	Panel or door mount
Certifications	UL, CSA, CE, and ANSI compliant

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Key Features

• Comprehensive Motor Protection: Safeguards motors from mechanical, thermal, and electrical faults.

• Built-In Metering and Monitoring: Measures current, voltage, power factor, and load conditions in real time.

• Intelligent Trip Diagnostics: Provides detailed fault information to aid rapid troubleshooting.

• Flexible Communication Options: Integrates easily with SCADA and PLC systems using Modbus RTU.

• User-Friendly Interface: Large LCD display with easy navigation and local configuration menus.

• Event Logging: Stores historical fault and trend data to support predictive maintenance.

• Advanced Control Capabilities: Supports direct motor start/stop control and automatic restart sequencing.

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Structure & Design

The GE 369-HI-0-M-0-0 features a rugged industrial-grade chassis with a front-mounted LCD display and keypad for intuitive configuration. Its modular design allows easy wiring and quick replacement without system downtime.
Inside, the relay houses precision analog and digital circuits for accurate current and voltage measurements, ensuring reliable fault detection and consistent performance even in high-noise industrial environments.

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Applications

This relay is suitable for a wide range of motor-driven systems, including:

• Pumps and Compressors – For overload and jam detection.

• Fans and Blowers – Monitoring mechanical and electrical conditions.

• Conveyors and Crushers – Protection from stalling and overcurrent faults.

• Industrial Process Motors – Continuous performance tracking and remote control.

• Mining and Oil & Gas Equipment – Ensuring reliability in harsh operating conditions.

  
  

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Installation & Maintenance

1. Mounting: Install on a control panel or enclosure door using standard mounting hardware.

2. Wiring: Connect current transformers (CTs), voltage inputs, and control outputs per GE’s installation guide.

3. Configuration: Set protection parameters and communication addresses via the front panel or PC software.

4. Testing: Verify input signal integrity and relay operation before commissioning.

Maintenance Tips:

• Regularly check terminal connections for tightness.

• Review event logs to identify early signs of system imbalance or wear.

• Keep firmware updated for optimal performance.

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Advantages

• Centralized motor protection and control in one device.

• Reduces unplanned outages with predictive monitoring.

• Simplifies integration into DCS or PLC systems.

• Offers scalable communication and flexible I/O options.

• Backed by GE’s global support and reliability standards.

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Conclusion

The GE 369-HI-0-M-0-0 Motor Management Relay represents a powerful solution for motor protection, automation, and performance optimization. Combining advanced diagnostics, modular construction, and seamless communication, it delivers both safety and efficiency in critical industrial applications.
With its proven reliability and extensive protection functions, this relay stands as a cornerstone of GE’s intelligent motor control technology, ensuring long-term operational stability and reduced maintenance costs.