Description
GE 750-P1-G1-S1-HI-A20-R-E – Multilin Feeder Management Relay
Product Overview
The 750-P1-G1-S1-HI-A20-R-E is a high-performance Multilin feeder management relay developed by GE, designed for comprehensive protection, monitoring, and control of medium and low-voltage power distribution feeders. This integrated relay device consolidates multiple power system protection and measurement functions into a compact unit, effectively resolving common power grid operation risks such as overcurrent, ground fault, voltage fluctuation, and frequency deviation. Featuring high-precision signal acquisition, powerful built-in logic algorithms, and multi-protocol communication capability, the 750-P1-G1-S1-HI-A20-R-E ensures safe, stable, and intelligent operation of industrial power distribution systems.
Technical Specifications
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Brand: GE (General Electric)
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Model:750-P1-G1-S1-HI-A20-R-E
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Warranty: One Year
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Condition: 100% New & Original
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Product Type: Multilin Feeder Management Protection Relay
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Rated Frequency: 50 / 60 Hz adaptive operation
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Input Current: 1A / 5A selectable rated current
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Analog Inputs: 3-phase current, ground current, 3-phase voltage acquisition
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Digital Outputs: 6 relay outputs (Form A & Form C contact types)
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Core Protection Functions: Overcurrent protection, earth fault protection, negative sequence protection, under/over voltage and frequency protection
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Communication Interfaces: RS232, RS422, RS485 serial ports, optional Ethernet port
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Supported Protocols: Modbus RTU, DNP3, optional IEC 61850
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Analog Conversion Range: 0–21 mA standard signal range
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Operating Temperature: -20°C to +70°C
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Storage Temperature: -40°C to +85°C
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Structural Feature: Drawout construction for easy maintenance and replacement
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Environmental Resistance: Adaptable to dusty, humid and high-interference power station environments
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Certifications: International industrial power system safety certifications
Application Scenarios
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Industrial Power Distribution Systems: The 750-P1-G1-S1-HI-A20-R-E is widely deployed in factory low-voltage and medium-voltage feeder cabinets, providing full-range fault protection, real-time electrical parameter monitoring and automatic trip control. It effectively avoids equipment damage and power outage accidents caused by power grid abnormalities.
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Power Plant & Substation Automation: Applied in industrial substations, distributed power stations and auxiliary power systems. Multi-protocol communication supports seamless connection with SCADA monitoring systems, realizing remote data acquisition, fault recording and intelligent scheduling of power feeders.
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Petrochemical & Heavy Industry Power Systems: Suitable for high-reliability power supply scenarios in chemical, oil and gas, and metallurgical industries. Multiple protection mechanisms and strong environmental adaptability ensure continuous and safe operation of critical production power supply loops.
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