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SR750-P5-G5-S5-LO-A20-R-T 750 series feeder management relays

SR750-P5-G5-S5-LO-A20-R-T 750 series feeder management relays

Manufacturers ：GE
Model(s)  ：SR750-P5-G5-S5-LO-A20-R-T
Additional Information ：750 series feeder management relays
Estimated Shipping Size
Dimensions: 263 × 58 × 28mm
Weight:.4.3 kg
Country of Origin: United States of America

 

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Description

Overview

Essential details：SR750-P5-G5-S5-LO-A20-R-T 750 series feeder management relays

750-P5-G5-S5-LO-A20-R-E Technical Specifications

# of Setpoint Groups 4
Analog Input Impedance 375 Ω ± 10%
Control Power 25 VA nominal, 35 VA max
Operating Environment Humidity up to 90% non condensing
Overload Withstand 1 second at 80 x rated current, continuous at 3 x rated current
Pollution Degree II
Relay Dimensions approx. 18cm W, 16.5cm L, 21.5cm H

Product Description

GE Multilin’s 750-P5-G5-S5-LO-A20-R-E is intended for controlling and managing feeder distribution systems. This unit is a low control power model in the series, functioning at a range of 20 to 60 VDC, 20 to 48 VAC at 48 to 62 Hz. This contrasts with the high control power model of the series, which functions at a range of 88 to 300 VDC, 70 to 265 VAC at 48 to 62 Hz. Prospective buyers should ensure they are purchasing the unit variety appropriate to their control power requirements.

Users can employ the 750-P5-G5-S5-LO-A20-R-E’s simulation function to test modifications to setpoints. While running simulations, the system halts reading actual AC inputs and instead produces samples that mimic the programmed phasors, and these samples are then processed by the unit. Fault and normal conditions are able to be simulated by the relay. The simulation results can help users better understand their system and how setpoint modification impacts efficiency and system health.

SR750-P5-G5-S5-LO-A20-R-T

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SR750-P5-G5-S5-LO-A20-R-T 750 series feeder management relays

The 750-P5-G5-S5-LO-A20-R-E’s communications options include the direct connection RS232 port, the remote connection RS422 and RS485 ports, and an optional Ethernet port. The ports connect computers running GE Multilin’s EnerVista 750 program to the relay, which offers a vastly improved user interface for configuring setpoints and reviewing and trending data. The RS232 port is ideal for monitoring a single relay while the RS422 and RS485 ports are especially effective at monitoring multiple relays. The 750-P5-G5-S5-LO-A20-R-E can be utilized as a standalone unit or mounted alongside other relays in the 750 series.

Frequently Asked Questions about 750-P5-G5-S5-LO-A20-R-E

Should the zero sequence current transformer by a twisted pair of cabling for the GE Feeder Management Relay 750-P5-G5-S5-LO-A20-R-E?
Yes, the cable for the zero sequence current transformer needs to be a twisted pair of cabling. The many current transformer connections and placement has to be exact for the zero sequence current transformer for the ground fault to actually be detected.
How many channels does the GE Feeder Management Relay 750-P5-G5-S5-LO-A20-R-E have for the alternating current inputs?
There are 4 channels for the GE Feeder Management Relay 750-P5-G5-S5-LO-A20-R-E for the alternating currents voltage inputs, with each of them being an isolating transformer. Theres a maximum of 5000:1 ratio that can be used for the voltage transformers.
What are the 3 phase inputs designated to for the GE Feeder Management Relay 750-P5-G5-S5-LO-A20-R-E?
The three phase inputs are only designated as bus voltage and the bus voltage transformer connections are used commonly with wye and open delta. The voltage channels are connected internally as wye and the jumper between phase B terminal and the vcom terminal has to be installed with the delta connection.

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