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Home GE Multilin 745 Transformer Protection System 745-W3-P5-G5-HI-R-E

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3 year warranty

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About | Product Specifications | FAQs

745-W3-P5-G5-HI-R-E

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  • 4.00 (2)
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The General Electric Multilin 745-W3-P5-G5-Hi-R-E is a multi-processor transformer protection system with an enhanced LCD and restricted ground fault. The 745 can function as a standalone unit or as a component of a larger array.
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  • Part Number: 745-W3-P5-G5-HI-R-E
  • SKU: GM-18783
  • Manufacturer: GE Multilin
  • Series: 745 Transformer Protection System

745-W3-P5-G5-HI-R-E Technical Specifications

Operating Temperature -40°C to +60°C
Storage Temperature -40°C to +80°C ambient
Software Version EnerVista 745
Series 745 Transformer Protection System
RTD Type 100 Ω Platinum (DIN.43760), 100 Ω Nickel, 120 Ω Nickel
Power Consumption 30 VAC nominal, 40 VAC maximum
Part Number 745-W3-P5-G5-HI-R-E
# of Logic Inputs 16
Manufacturer GE Multilin, GE Vernova, or GE Grid Solutions
Frequency 50 or 60 Hz nominal

About the 745-W3-P5-G5-HI-R-E

GE Multilin 745-W3-P5-G5-HI-R-E Transformer Protection System

  • SR469 Motor Management Relay; SR489 Generator Management Relay; SR735/737 Feeder Relay; SR745 Transformer Management Relay; SR750/760 Feeder Management Relay
  • Comprehensive Transformer Management: This multi-processor, three-winding relay from the GE Multilin 745 series manages and protects small, medium, and large power transformers.
  • Advanced Monitoring and Adaptive Protection: It can monitor individual harmonics and total harmonic distortion (THD), and adaptively correct errors like CT Ratio mismatch in real-time.
  • Flexible Inputs: Features sixteen logic inputs for external contacts, supporting both wet and dry connections.
  • Enhanced Configurability with FlexLogic™: Includes GE Multilin’s FlexLogic™ technology, which allows for up to 20 parameters in an equation format, significantly increasing system configurability and flexibility for protecting and monitoring inputs/outputs.

User Interface and Security

  • Real-time System Insights: Built-in LEDs (with three colors indicating severity) and a 40-character liquid crystal display provide critical updates on system health, including alerts for transformer overloads or self-test errors.
  • Setpoint Adjustment: Setpoints can be adjusted using the EnerVista 745 software program or directly via the relay's input keypad.
  • Mounting Flexibility: The relay can be mounted alone or in tandem with another SR-series unit.
  • Security Feature: Can be assigned a passcode security feature to prevent tampering or unauthorized adjustments.

This specific version of the 745 contains a combination of features unique to this part: 

  • High control power, 90 to 300 VDC; 70 to 265 VAC at 48 to 62 Hz
  • Winding 1 = 5A, Winding 2 = 5A, Winding 3 = 5A
  • Restricted Ground Fault
  • Enhanced Display and a larger LCD

Frequently Asked Questions about 745-W3-P5-G5-HI-R-E

How many windings does the 745-W3-P5-G5-Hi-R-E Multilin transformer protection system have?
The 745-W3-P5-G5-Hi-R-E Multilin transformer protection system has three windings indicated by the W3 found in the part number. There are also relays within the 745 transformer protection system that have two windings, as indicated by a W2 found with in the part number. These unique order codes are specific to an individual transformer protection system. 
What order codes are specified by the 745-W3-P5-G5-Hi-R-E Multilin transformer protection system and how are these order codes unique to this part?
The 745-W3-P5-G5-Hi-R-E Multilin transformer protection system has three windings per phase as expained in the first FAQ. This system has an enhanced display with a larger LCD. The unit also comes with the R order code which indicates a restricted ground fault. Additionally this relay has a high control power and has phase current input ratings of 5 A for each winding. The ground current input ratings for this Multilin transformer protection system indicate Winding 1/2 is equal to 5A and winding 2/3 is equal to 5 A.
What type of power transformers does this 745 Multilin Transformer Protection System protect with a part number of 745-W3-P5-G5-Hi-R-E?
The 745 Multilin Transformer Protection System 745-W3-P5-G5-Hi-R-E is designed to protect and manage either small, medium, or large power transformers. The user is able to choose four different relay settings in order to cover protection needs from unique power systems.

Reviews For 745-W3-P5-G5-HI-R-E

Internal Review
(5.0)

The 745-W3-P5-G5-HI-R-E’s superior enhanced display also includes a more functional and expansive keypad, enabling more efficient setpoint configuration when not working directly with EnerVista 745. -AX Control Technicians

Repair Services For 745-W3-P5-G5-HI-R-E

Type Lead Time Price Action
Repair Service 1-2 weeks $1125

Our highly skilled technicians can repair your 745-W3-P5-G5-HI-R-E. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
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