GE 369-HI-R-M-0-0-0-E Motor Management Relay

Technical Specifications

  • Input Voltage: 50-300 VDC or 60-265 VAC
  • Output Voltage: 0-250 VAC
  • Input Current: 1 A or 5 A
  • Output Current: 10 A
  • Frequency: 50-60 Hz
  • Protection Class: IP20
  • Operating Temperature Range: -40°C to +70°C
  • Storage Temperature Range: -40°C to +85°C
  • Humidity Range: 5% to 95% RH (non-condensing)
  • Dimensions: Approximately 200 mm x 151 mm x 106 mm (7.87 inches x 6.14 inches x 3.98 inches)
  • Weight: Approximately 10 pounds (4.5 kilograms)
  • Communication Interfaces: RS-485 or RS-232
  • Installation Method: DIN rail mounting
Category:
Description

Key Features

  • Comprehensive Protection Functions: The relay provides standard overcurrent and ground fault protection, as well as advanced features such as differential protection (requires external zero-sequence CT), start timeout, stall, and current imbalance protection. It is particularly suitable for scenarios with frequent starts and stops or high-inertia loads.
  • 12-Channel RTD Temperature Monitoring: Real-time monitoring of motor winding and bearing temperatures through 12 RTD inputs, combined with proprietary thermal model algorithms, accurately predicts thermal accumulation trends, avoiding blind spots and protection failures associated with traditional thermal relays.
  • High Precision Measurement: The relay can monitor voltage, wattage, power factor, frequency, and energy consumption. Users can set protection functions based on these parameters to enhance system versatility.
  • Flexible Configuration: All protection thresholds and delays can be flexibly configured via the front panel or software to meet different process requirements. The relay supports remote setting, fault playback, and report export through the Enervista 369 Setup software, significantly improving operational efficiency.
  • Robust Design: Built with industrial-grade components, the relay operates reliably in harsh environments with high electromagnetic noise, such as those with dense frequency converters. It has passed IEC 61000-4 series EMC tests.
  • User-Friendly Interface: A large backlit LCD screen supports multilingual menus, allowing field engineers to view real-time parameters, modify settings, or perform circuit breaker trip tests directly without additional tools, reducing debugging and fault response times.

Application Scenarios

  • Oil and Gas Industry: In oilfield water injection pump stations, the relay monitors the three-phase current and winding temperature of high-voltage motors to prevent overheating caused by dry pumping or sand blockage.
  • Municipal Water Treatment: It protects aeration fans and sludge dewatering machines in water treatment plants, enabling plant-wide energy efficiency analysis through Modbus communication.
  • Power Generation: Used in power plants for boiler feed pumps, induced draft fans, and generator excitation regulation, ensuring safe and efficient operation.
  • Metallurgical Industry: Employed in steel mills for blast furnace control, converter operations, and rolling mill automation, optimizing production processes and enhancing product quality.
  • General Industrial Automation: Suitable for various industrial applications where precise motor control and protection are essential, such as in manufacturing, mining, and pulp and paper industries.
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