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GE SR750-P5-G5-S5-HI-A20-R Feeder Managerment Relay

SR750-P5-G5-S5-HI-A20-R

1) Electrical input
Phase current: 5A secondary side (P5)
Zero sequence current: 5A (G5)
Sensitive grounding current: 5A (S5)
Voltage input: three-phase voltage (PT secondary side)
Frequency: 25-60Hz (compatible with 50/60Hz systems)

2) Control power supply
Wide range: 70-265VAC/88-300VDC, 48-62Hz
Power consumption: nominal 20VA, maximum 65VA

3) I/O and Output
Analog output: 8 isolated 4-20mA (A20), connected to SCADA/PLC
Switch input: 14 logic inputs
Relay output: 8 programmable outputs (trip/signal)
Waveform capture: 4 current+3 voltage channels, fault recording

4) Communication interface
Standard configuration: RS-232/RS-485, supports Modbus RTU, DNP 3.0
No Ethernet (this model has no – T and does not have a network port)
5) Environment and Physics
Working temperature: -40 ° C~+85 ° C (wide temperature range)
Front panel protection: IP54
Dimensions (W × H × D): Approximately 178 × 216 × 165mm
Weight: Approximately 3.2kg

Core protection function
Overcurrent protection: definite time/inverse time (IEC/ANSI curve)
Ground fault protection: Zero sequence/sensitive grounding dual criteria
Direction protection: direction overcurrent, direction grounding
Voltage protection: overvoltage/undervoltage, loss of voltage, abnormal frequency
Differential protection: simple feeder differential protection
Arc protection: optional arc sensor interface
RTD temperature monitoring: Built in RTD input (- R), monitors cable/equipment temperature

GE SR750-P5-G5-S5-HI-A20-R Feeder Managerment Relay

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