The GE Multilin SR750-P5-G5-S5-HI-A20-R is a high-performance Feeder Management Relay designed for comprehensive feeder protection, metering, monitoring, and control.
It belongs to the GE Multilin 750/760 Series, which is widely used in medium- and low-voltage distribution systems across industrial and utility networks.
Model Breakdown
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Code
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Description
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SR750
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Series type – 750 Series Feeder Protection Relay
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P5
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Phase current input: 5 A
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G5
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Ground current input: 5 A
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S5
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Sensitive ground current input: 5 A
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HI
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High control power version (88-300 VDC / 70-265 VAC)
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A20
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8 × 4-20 mA analog output channels
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R
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Red breaker LED indicator
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Key Features
1. Feeder protection for industrial and utility power systems
2. Integrated metering, event recording, oscillography, and fault analysis
3. Multiple protection elements: phase, ground, and sensitive ground fault detection
4. 8-channel 4-20 mA analog outputs (A20) for DCS/PLC feedback
5. Wide control power input range (HI = 88-300 VDC / 70-265 VAC)
6. Supports multiple communication protocols: Modbus RTU / DNP3.0 / optional Ethernet
7. Draw-out chassis design for easy maintenance and replacement
8. Wide operating temperature range (-40 °C ~ +60 °C)
Related Models – Quick Comparison
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Model
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Phase CT
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Ground CT
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Supply
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I/O Slots
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DI
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DO
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AO
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Part Number Key
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SR750-P5-G5-S5-HI-A20-R (this sheet)
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5 A
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5 A
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24–48 V DC
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A20
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20
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8
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4
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P5-G5-S5-HI-A20-R
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SR750-P1-G1-S5-HI-A1-R
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1 A
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1 A
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24–48 V DC
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A1
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8
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4
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4
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P1-G1-S5-HI-A1-R
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SR750-P5-G5-D5-HI-A1-R
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5 A
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5 A
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88–300 V DC / 70–265 V AC
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A1
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8
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4
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4
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P5-G5-D5-HI-A1-R
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SR750-P5-G5-D5-HI-A20-R
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5 A
|
5 A
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88–300 V DC / 70–265 V AC
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A20
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20
|
8
|
4
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P5-G5-D5-HI-A20-R
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|
SR750-P5-G5-S1-HI-A10-R
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5 A
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5 A
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24–48 V DC
|
A10
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16
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6
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2
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P5-G5-S1-HI-A10-R
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