GE 750-P5-G5-HI-A20R digital feeder management relay

GE 750-P5-G5-HI-A20R: Introduction & Technical Specifications
Introduction
The GE 750-P5-G5-HI-A20R (also marked as SR750-P5-G5-HI-A20-R) is a digital feeder management relay from GE Multilin’s 750/760 Series, designed for primary protection, control, and monitoring of electrical distribution feeders, plus backup protection for buses, transformers, and lines. It integrates comprehensive protection, high-precision metering, FlexLogic™ programmable control, and multi-protocol communication, with a 40-character alphanumeric LCD for local operation and EnerVista 750 software for remote setup/monitoring. Key features include 5A phase/ground inputs, 8×4-20mA analog outputs, dual RS485 Modbus RTU, event recording, and oscillography, making it ideal for industrial, commercial, and utility distribution systems requiring reliable, cost-effective feeder management.
Technical Specifications
Basic Information
Model: 750-P5-G5-HI-A20R (SR750-P5-G5-HI-A20-R)
Manufacturer: GE Multilin
Series: 750/760 Feeder Management Relay
Product Type: Digital Feeder Protection & Management Relay
Setup Software: EnerVista 750/760
Manual: GEK-106471N

Display: 40-character alphanumeric LCD
Indicator: Red breaker closed LED (R suffix)
Protection & Control
Phase Current Input: 5A (P5)
Ground Current Input: 5A zero-sequence (G5)
Protection Functions: Overcurrent, short circuit, ground fault, negative sequence, undervoltage, overvoltage, underfrequency, overfrequency, thermal overload, reverse power, unbalance
Control Logic: FlexLogic™ programmable logic, 5 digital inputs, 2 Form‑C relay outputs (configurable)
Event Recording: Configurable event logs, oscillography (AC voltage/current sampling, relay status)
Metering & Monitoring
Metered Parameters: Current, voltage, kW, kVAR, kVA, kWh, kVARh, power factor, frequency, thermal capacity
Harmonic Analysis: Up to 31st harmonic
Accuracy: Class 0.2S for current/voltage; Class 0.5 for power/energy
Setpoint Groups: 4 configurable groups
Power & I/O
Power Supply: 88-300VDC; 70-265VAC (48-62Hz)
Analog Outputs: 8×4-20mA (A20)
Digital Inputs: 5 configurable dry contacts
Relay Outputs: 2 Form‑C (5A/250VAC, 5A/30VDC)

Communication
Primary: Dual RS485 (Modbus RTU)
Protocol Support: Modbus RTU, optional Profibus DP/Ethernet (varies by S/D suffix)
Environmental & Physical
Operating Temperature: -40°C to +70°C
Storage Temperature: -40°C to +85°C
Humidity: 5-95% RH (non-condensing)
Dimensions (W×L×H): 177.8mm × 165.1mm × 215.9mm (7”×6.5”×8.5”)
Weight: 4.8kg (10.57lb)
Protection Class: IP30 (front panel)
Certifications: CE, UL, cUL compliant