General Electric GE Multilin SR745-W2-P5-G5-HI-A-R-E
General Electric GE Multilin SR745-W2-P5-G5-HI-A-R-E
General Electric GE Multilin SR745-W2-P5-G5-HI-A-R-E
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General Electric

GE Multilin 745-W2-P5-G5-HI-A-R-E Transformer Protection System

SKU 745-W2-P5-G5-HI-A-R-E

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: General Electric
  • Product No.: 745-W2-P5-G5-HI-A-R-E
  • Origin United States
  • Product Type: Feeder Management Relay
  • Barcode: 8537101190
  • Payment: T/T, Western Union
  • Weight: 8.5 kg
  • Dimensions: 220 mm x 275 mm x 300 mm (W x H x D)
  • Shipping port: Xiamen
  • Warranty: 12 months

Tags

Multilin Transformer Protection Relays

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

Technical Datasheet

GE Multilin 745-W2-P5-G5-HI-A-R-E Transformer Protection System

Download Open in new tab
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Product Description

Description

The GE Multilin 745-W2-P5-G5-HI-A-R-E is a micro-processor based three-winding transformer protection relay designed for the primary protection and management of power transformers. This device provides high-speed differential protection, extensive current, voltage, and frequency monitoring, as well as integrated programmable logic capabilities. Equipped with comprehensive analog inputs/outputs and enhanced communication infrastructure including a 10Base-T Ethernet interface, the GE Multilin 745-W2-P5-G5-HI-A-R-E ensures seamless integration into modern substation automation networks and industrial SCADA systems. It supports complex transformer configurations with automated restraint and zero-sequence component removal.

Features

  • Three-winding transformer differential protection capability
  • High-speed dual-slope percentage differential protection with harmonic restraint
  • Enhanced communication interface supporting 10Base-T Ethernet, RS485, and RS422
  • Integrated analog I/O expansion package featuring 4 analog inputs and 8 analog outputs
  • Advanced programmable logic using FlexLogic for custom control schemes
  • Enhanced user interface with a 40-character vacuum fluorescent display and 22 status LEDs
  • Comprehensive event recording, oscillography, and data logging functions

Applications

  • Primary and backup protection of three-winding power transformers
  • Substation automation and industrial power distribution monitoring
  • Harmonic analysis and transformer winding temperature emulation
  • Utility intertie protection and control schemes

Ordering Information

  • Base Model: 745 (Transformer Protection System)
  • Winding Setup: W2 (Three-Wound Transformer)
  • Phase Current Input: P5 (5 A)
  • Ground Current Input: G5 (5 A)
  • Control Power: HI (90 to 300 VDC / 70 to 265 VAC @ 45 to 66 Hz)
  • Analog I/O: A (4 Analog Inputs / 8 Analog Outputs)
  • Communications: R (Enhanced Comm: Rear RS485 / Rear RS422 / Front RS232 & 10Base-T Ethernet)
  • Display: E (Enhanced Display: 40-character LCD, 22 LEDs)

Technical Specifications

Parameter Specification
Manufacturer GE Multilin
Main Function Three-Winding Transformer Protection and Management
Phase Current Input 5 A
Ground Current Input 5 A
Control Voltage (HI) 90 to 300 VDC, 70 to 265 VAC @ 45 to 66 Hz
Frequency Range 45 to 66 Hz
Analog Inputs 4 Channels (0 to 1 mA, 0 to 20 mA, or 4 to 20 mA)
Analog Outputs 8 Channels (0 to 1 mA, 0 to 20 mA, or 4 to 20 mA)
Communications Front RS232, Rear RS485/RS422, 10Base-T Ethernet
Protocols Modbus RTU, DNP 3.0 Level 2, Modbus TCP/IP

Installation Guidelines

  • Panel Mounting: Mount the unit firmly into a standard cutout on a switchgear panel to minimize mechanical stress and vibration.
  • Grounding: Establish a dedicated low-impedance ground connection to the rear terminal ground busbar to mitigate EMI/RFI interference.
  • Current Transformer Connections: Ensure correct polarity alignment on all phase and ground CT inputs prior to energization.
  • Thermal Management: Leave sufficient clearance around the cooling vents at the rear of the unit to ensure natural convective ventilation.

Compliance and Certifications

  • UL listed (USA and Canada)
  • ISO9001:2000 Quality Management System
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
FAQ
What configuration of transformer does this unit protect?
The device is specifically built to protect and manage three-winding power transformers, configured via the W2 option code.
What are the electrical ratings for the HI control power supply?
The high-voltage power option operates within a range of 90 to 300 VDC, or 70 to 265 VAC at a frequency of 45 to 66 Hz.
Does this model support network connectivity?
Yes, the device features the enhanced communication option, which includes a dedicated rear 10Base-T Ethernet port supporting Modbus TCP/IP and DNP 3.0.
Reviews

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745-W2-P5-G5-HI-A-R-E

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GE Multilin 745-W2-P5-G5-HI-A-R-E Transformer Protection System

Only 4 item(s) left in stock

  • Manufacturer: General Electric

  • Product No.: 745-W2-P5-G5-HI-A-R-E

  • Country of origin:United States

  • Product Type: Feeder Management Relay

  • Barcode: 8537101190

  • Payment: T/T, Western Union

  • Weight: 8500g

  • Dimensions: 220 mm x 275 mm x 300 mm (W x H x D)

  • Shipping port: Xiamen

  • Warranty: 12 months

View full details
Product Description
FAQ
Shipping Returns
Additional details
Reviews

Description

The GE Multilin 745-W2-P5-G5-HI-A-R-E is a micro-processor based three-winding transformer protection relay designed for the primary protection and management of power transformers. This device provides high-speed differential protection, extensive current, voltage, and frequency monitoring, as well as integrated programmable logic capabilities. Equipped with comprehensive analog inputs/outputs and enhanced communication infrastructure including a 10Base-T Ethernet interface, the GE Multilin 745-W2-P5-G5-HI-A-R-E ensures seamless integration into modern substation automation networks and industrial SCADA systems. It supports complex transformer configurations with automated restraint and zero-sequence component removal.

Features

  • Three-winding transformer differential protection capability
  • High-speed dual-slope percentage differential protection with harmonic restraint
  • Enhanced communication interface supporting 10Base-T Ethernet, RS485, and RS422
  • Integrated analog I/O expansion package featuring 4 analog inputs and 8 analog outputs
  • Advanced programmable logic using FlexLogic for custom control schemes
  • Enhanced user interface with a 40-character vacuum fluorescent display and 22 status LEDs
  • Comprehensive event recording, oscillography, and data logging functions

Applications

  • Primary and backup protection of three-winding power transformers
  • Substation automation and industrial power distribution monitoring
  • Harmonic analysis and transformer winding temperature emulation
  • Utility intertie protection and control schemes

Ordering Information

  • Base Model: 745 (Transformer Protection System)
  • Winding Setup: W2 (Three-Wound Transformer)
  • Phase Current Input: P5 (5 A)
  • Ground Current Input: G5 (5 A)
  • Control Power: HI (90 to 300 VDC / 70 to 265 VAC @ 45 to 66 Hz)
  • Analog I/O: A (4 Analog Inputs / 8 Analog Outputs)
  • Communications: R (Enhanced Comm: Rear RS485 / Rear RS422 / Front RS232 & 10Base-T Ethernet)
  • Display: E (Enhanced Display: 40-character LCD, 22 LEDs)

Technical Specifications

Parameter Specification
Manufacturer GE Multilin
Main Function Three-Winding Transformer Protection and Management
Phase Current Input 5 A
Ground Current Input 5 A
Control Voltage (HI) 90 to 300 VDC, 70 to 265 VAC @ 45 to 66 Hz
Frequency Range 45 to 66 Hz
Analog Inputs 4 Channels (0 to 1 mA, 0 to 20 mA, or 4 to 20 mA)
Analog Outputs 8 Channels (0 to 1 mA, 0 to 20 mA, or 4 to 20 mA)
Communications Front RS232, Rear RS485/RS422, 10Base-T Ethernet
Protocols Modbus RTU, DNP 3.0 Level 2, Modbus TCP/IP

Installation Guidelines

  • Panel Mounting: Mount the unit firmly into a standard cutout on a switchgear panel to minimize mechanical stress and vibration.
  • Grounding: Establish a dedicated low-impedance ground connection to the rear terminal ground busbar to mitigate EMI/RFI interference.
  • Current Transformer Connections: Ensure correct polarity alignment on all phase and ground CT inputs prior to energization.
  • Thermal Management: Leave sufficient clearance around the cooling vents at the rear of the unit to ensure natural convective ventilation.

Compliance and Certifications

  • UL listed (USA and Canada)
  • ISO9001:2000 Quality Management System
Key Features:
#Multilin #Transformer Protection Relays

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

Technical Datasheet

GE Multilin 745-W2-P5-G5-HI-A-R-E Transformer Protection System

Download Open in new tab

What configuration of transformer does this unit protect?
The device is specifically built to protect and manage three-winding power transformers, configured via the W2 option code.

What are the electrical ratings for the HI control power supply?
The high-voltage power option operates within a range of 90 to 300 VDC, or 70 to 265 VAC at a frequency of 45 to 66 Hz.

Does this model support network connectivity?
Yes, the device features the enhanced communication option, which includes a dedicated rear 10Base-T Ethernet port supporting Modbus TCP/IP and DNP 3.0.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Color pattern
Blue
Country of origin
United States

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