750-P5-G5-HI-A1-R-E
750-P5-G5-HI-A1-R-E
750-P5-G5-HI-A1-R-E
750-P5-G5-HI-A1-R-E
750-P5-G5-HI-A1-R-E
750-P5-G5-HI-A1-R-E
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750-P5-G5-HI-A1-R-E

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The General Electric 750-P5-G5-HI-A1-R-E is a feeder protection relay with 5 A phase and ground inputs, high-range control power, eight 0–1 mA analog outputs and an enhanced display.
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Technical specifications for 750-P5-G5-HI-A1-R-E

  • Manufacturer:
    General Electric
  • Part Number:
    750-P5-G5-HI-A1-R-E
  • Product Family:
    GE Multilin
  • Product Type:
    750 Feeder Protection Relay
  • Stock:
    1
  • Phase Current Inputs:
    5 A
  • Ground Current Inputs:
    5 A
  • Control Power:
    88–300 VDC or 70–265 VAC, 48–62 Hz
  • Analog Outputs:
    Eight 0–1 mA outputs
  • Display Option:
    Enhanced LCD and keypad
  • Breaker LED:
    Red breaker-closed indication
  • Serial Interfaces:
    RS232, RS485 and RS422
  • Supported Protocols:
    Modbus RTU and DNP 3.0
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Diagnostics Connectivity Records Applications

Features:

  • Uses 5 A phase and zero-sequence ground-current inputs
  • Accepts 88–300 VDC or 70–265 VAC control power
  • Pairs an enhanced display with a red breaker-closed LED
The P5 and G5 ordering positions identify 5 A secondary inputs for both phase and ground-current measurement.

The HI power-supply option accommodates the documented high-range DC or AC control sources used in protection panels.

The E display option provides a larger LCD and improved keypad, while the R code assigns red indication to the breaker-closed state.

The General Electric 750-P5-G5-HI-A1-R-E Feeder Protection Relay may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric 750-P5-G5-HI-A1-R-E Feeder Protection Relay Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Fault Detection and Protection

  • Phase faults: Time and instantaneous overcurrent elements supervise the feeder phase currents.
  • Ground faults: Dedicated zero-sequence input functions support sensitive ground-current protection.
  • Breaker failure: Breaker-failure logic can issue backup action when current persists after a trip command.
  • Thermal supervision: Thermal overload protection tracks feeder heating conditions.

Serial and Network Integration

  • Front access: The front RS232 port supports local connection for setup and service work.
  • Rear channels: Two rear serial ports use RS485 or RS422 electrical interfaces.
  • Protocols: Modbus RTU and DNP 3.0 support communication with compatible supervisory equipment.
  • Serial rate: Configurable serial operation covers 300 to 19,200 baud.

Operational Evidence

  • Event reports: Stored event information helps reconstruct relay and breaker activity.
  • Waveform capture: Oscillography records electrical behavior surrounding selected triggers.
  • Data logger: Logged quantities support trend review over a configured interval.
  • Demand values: Metering functions track feeder loading for operational assessment.

Feeder Protection Uses

  • Primary feeders: Applies protection and monitoring to industrial or utility feeder circuits.
  • Breaker control: Coordinates trip, close and status functions around the controlled feeder breaker.
  • Legacy indication: Eight 0–1 mA outputs can feed compatible meters or recorders.
  • Supervisory links: Serial protocols connect relay information to compatible automation systems.
Description
Feeder faults, breaker operations and local indications are handled in one device by General Electric 750-P5-G5-HI-A1-R-E. The specified build combines 5 A phase and zero-sequence ground inputs with the high-range AC/DC control-power option, so replacement planning can follow the installed current-transformer and auxiliary-supply scheme.

For post-event review, General Electric 750-P5-G5-HI-A1-R-E records events, waveforms and operating quantities that help engineers trace a trip without relying only on panel indications. The enhanced display and keypad also support local review when a workstation is not at the relay panel.

Control-room integration is supported through the documented serial interfaces and Modbus RTU or DNP 3.0 communications. General Electric 750-P5-G5-HI-A1-R-E also provides eight 0–1 mA analog outputs, allowing selected relay quantities to be carried into compatible legacy instrumentation.
Alternative Names
750-P5-G5-HI-A1-R-E GE 750-P5-G5-HI-A1-R-E 750 P5 G5 HI A1 R E 750P5G5HIA1RE General Electric 750-P5-G5-HI-A1-R-E GE Multilin 750-P5-G5-HI-A1-R-E 750 Feeder Protection Relay P5 G5 HI A1 R E 750-P5-G5-H1-A1-R-E
Technical notes
General Electric 750-P5-G5-HI-A1-R-E combines feeder protection, breaker control and event recording in a 750-series relay. Its ordering code specifies 5 A phase and ground inputs, HI control power, A1 analog outputs, a red breaker-closed LED and the enhanced display.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How can a protection engineer verify that General Electric 750-P5-G5-HI-A1-R-E matches the existing feeder CT circuits?
Check that both the phase and zero-sequence ground inputs at the panel are 5 A before fitting General Electric 750-P5-G5-HI-A1-R-E; the P5 and G5 ordering positions identify those input ratings.
What should be reviewed when General Electric 750-P5-G5-HI-A1-R-E replaces another 750-series relay?
Record the complete catalog code, control-power source, analog-output wiring, breaker LED convention and communication settings because General Electric 750-P5-G5-HI-A1-R-E includes option-specific hardware.
Can General Electric 750-P5-G5-HI-A1-R-E help investigate an unexplained feeder trip?
Event reports, waveform capture and the data logger in General Electric 750-P5-G5-HI-A1-R-E provide time-related evidence that can be compared with breaker and system conditions.
Why might a legacy control-room indicator need checking before General Electric 750-P5-G5-HI-A1-R-E is installed?
The A1 option on General Electric 750-P5-G5-HI-A1-R-E supplies eight 0–1 mA analog outputs, so the receiving indicator or recorder must accept that signal range.
Which communication details prevent a failed serial integration with General Electric 750-P5-G5-HI-A1-R-E?
Confirm the selected RS232, RS485 or RS422 port, baud rate, device address and Modbus RTU or DNP 3.0 settings for General Electric 750-P5-G5-HI-A1-R-E before reconnecting the supervisory link.
When local access is important, what distinguishes General Electric 750-P5-G5-HI-A1-R-E from a standard-display build?
General Electric 750-P5-G5-HI-A1-R-E carries the E option for the enhanced LCD and improved keypad, which gives technicians a larger local viewing and navigation interface.

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