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GE 760-P5-G5-S5-HI-A20-R-E

Product Name:​ 760 Series Feeder Management Relay (Multilin)
Product Introduction:​ The GE 760-P5-G5-S5-HI-A20-R-E is a highly advanced and reliable feeder management relay, an integral part of GE Multilin’s 760 series. It offers comprehensive monitoring, management, and protection functions for distribution feeder systems, playing a crucial role in safeguarding and optimizing the performance of distribution feeder networks.
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Technical Specifications:
  • Manufacturer:​ GE (GE Multilin)
  • Model:​ 760-P5-G5-S5-HI-A20-R-E
  • Category:​ 760 Feeder Management Relay
  • Phase Current Input:​ 5A
  • Zero Sequence Current Input:​ 5A
  • Sensitive Ground Fault Detection:​ Yes, with 5A input
  • Power Supply (DC):​ 88–300 VDC
  • Power Supply (AC):​ 70–265 VAC, 48–62 Hz
  • Analog Outputs:​ Eight 4–20 mA
  • Communication Interfaces:​ RS232, RS485, 10Base-T Ethernet
  • Communication Protocols:​ Modbus RTU, Modbus TCP/IP, DNP 3.0
  • Control Power:​ Nominal 25 VA, maximum 35 VA
  • Insulation Voltage:​ 300 V
  • Display:​ Liquid Crystal Display (LCD)
  • Waveform Capture Channels:​ 4 currents, 3 voltages, 14 logic input states, and 8 output relays
  • Overvoltage Pickup Level:​ 0 to 1.25 × Vt in steps of 0.01
  • Data Record Storage:​ 2 to 16 events with 2048 to 256 data samples
  • Power Consumption (DC):​ Typical 24W (24VDC), Full Load 28.8W (24VDC)
  • Power Consumption (AC):​ Typical 21.6W (24VAC), Full Load 28.8W (24VAC)
  • Dimensions (W×L×H):​ ~18 cm × 16.5 cm × 21.5 cm
  • Weight:​ Approximately 1000 g
  • Operating Temperature:​ -40°C to +60°C
  • Storage Temperature:​ -40°C to +80°C
  • Pollution Degree:​ II
Key Features:
  • Advanced Protection:​ Detects and protects against over-current, under-voltage, ground faults, and out-of-step conditions
  • Reclosure Function:​ Automatically assesses system health after opening on fault, reclosing if conditions have improved
  • Neutral and Phase Directional Control:​ Safeguards against phase-to-phase and phase-to-earth short circuits
  • Bus Transfer:​ Smoothly transfers load bus to alternate power source during normal power failure
  • Reverse Power Detection:​ Detects unintended power flow direction, raising trip or alarm
  • Accurate Monitoring:​ High-precision 5A phase and zero-sequence current inputs
  • Advanced Communication:​ Multiple interfaces and protocols for remote monitoring and control
  • Enhanced Display:​ LCD for real-time data and system status access
Working Principle:​ The relay continuously monitors electrical parameters via current and voltage inputs, executing protection algorithms to detect fault conditions. Upon detecting anomalies, it triggers appropriate trip or alarm outputs. The reclosure function allows automatic service restoration when faults are transient.
Application Scenarios:​ Power generation, oil and gas, manufacturing, data centers, and industrial power distribution systems requiring reliable feeder protection.
Installation Requirements:​ Can be installed on a 19-inch panel for seamless integration into existing control systems. Ensure proper CT/VT wiring for current and voltage inputs.
Usage Notes:​ Utilize the LCD display for real-time system status and parameter information. Leverage multiple communication interfaces for remote monitoring and configuration. The waveform capture and data recording functions aid in post-event analysis.

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