GE SR750-P5-G5-S5-HI-A20-R Multilin Feeder Management Relay

• Input Current Ratings:
  • Phase Current Input: 750 A
  • Zero-Sequence Current Input: 5 A
  • Sensitive Ground Current Input: 5 A
• Control Power Supply: 88 to 300 VDC or 70 to 265 VAC @ 48 to 62 Hz
• Analog Outputs: 4 × 4-20 mA analog outputs
• Communication Protocols: Supports multiple protocols for seamless integration into automation systems, including RS485, Modbus RTU, CAN, and Ethernet.
• Operating Temperature: -25°C to 70°C
• Storage Temperature: -40°C to 85°C
• Relative Humidity: 5% to 95% non-condensing
• Protection Class: IP20 (module-level protection)
• Mounting: 35 mm standard DIN rail mounting
• Dimensions: 20 cm × 25 cm × 30 cm (length × width × height)
• Weight: 2.5 kg

Functional Characteristics

• Comprehensive Protection Functions:
  • Overcurrent Protection: Detects and responds to excessive current draw to prevent feeder damage.
  • Short Circuit Protection: Rapidly isolates faults to protect the feeder and connected equipment.
  • Earth Fault Protection: Identifies ground faults and initiates protective measures.
  • Overvoltage and Undervoltage Protection: Monitors voltage levels to prevent equipment damage due to voltage anomalies.
  • Overfrequency and Underfrequency Protection: Ensures stable operation by monitoring frequency deviations.
• Advanced Monitoring and Diagnostics:
  • Real-Time Monitoring: Continuously monitors feeder parameters such as voltage, current, frequency, and power factor.
  • Event Logging: Records operating events and fault information for post-fault analysis and system maintenance.
  • Self-Diagnosis: Monitors internal components and functions to detect and report faults or anomalies.
• User-Friendly Interface and Configuration:
  • Programmable Setpoint Menu Navigation: Provides a user-friendly interface for configuring protection parameters, metering, status, maintenance, and trip counters.
  • Keyboard Access: Allows users to browse menus and make adjustments directly on the device.
  • Hardware and Password Security: Ensures unauthorized changes are prevented, enhancing system security.
• High Reliability and Durability:
  • Robust Construction: Built to withstand harsh industrial environments with high temperatures, humidity, and dust.
  • Redundant Power Supply Support: Enhances system reliability by allowing redundant power input.
• Communication and Integration:
  • Multiple Communication Interfaces: Supports various communication protocols for seamless integration into automation systems.
  • Remote Monitoring and Control: Enables remote access for monitoring and control via communication ports, improving management efficiency.
• Automation and Customization:
  • Automation Capabilities: Can execute automated operations based on predefined conditions, such as switching to backup generators.
  • Customizable Settings: Supports user-defined settings to meet specific application requirements.

Application Scenarios

The GE SR750-P5-G5-S5-HI-A20-R feeder management relay is widely used in various industrial sectors where feeder protection is essential, including:

• Power Generation and Distribution: Protects feeders in power plants and substations, ensuring reliable operation of generation and distribution equipment.
• Oil and Gas: Safeguards feeders in upstream, midstream, and downstream operations, preventing costly downtime and repairs.
• Chemical Processing: Monitors and protects feeders in chemical plants, where process reliability and safety are paramount.
• Water Treatment: Ensures the continuous operation of feeders in water treatment facilities, maintaining water quality and supply.
• Manufacturing: Protects feeders in manufacturing plants, optimizing production efficiency and reducing maintenance costs.
• Industrial Automation: Integrates seamlessly into industrial automation systems, providing comprehensive feeder protection and control.
• Renewable Energy: Used in wind and solar power plants to protect feeders and ensure efficient energy generation