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      745-W3-P5-G5-HI-A

      General Electric TRANSFORMER MANAGEMENT RELAY
      In Stock
      Ships by Tuesday, June 23
      Fast Shipping Available

      Product Information:

      Transformer Protection System
      works in tandem with the EnerVista 745 software program
      Using EnerVista745
      a vast array of system statistics 
      Warranty Policy
      We provide 1 year warranty for all remaining parts.
      The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
      Return Notice
      The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
      In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
      Shiping Mode
      Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
      Parts Availability
      Moore automated offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
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      Technical specifications for 745-W3-P5-G5-HI-A

      • Manufacturer:
        General Electric
      • Product Category:
        PLC System
      • Estimated shipping dimensions:
        20.8x22x24.6cm
      • Weight:
        7.6 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Voltage Input:
        60 to 120V
      • Series:
        745 Transformer Protection System
      • Relay Dimensions:
        9”H, 7 ⅛”D, 7”W
      • Analog Input Type:
        DC mA
      • Control power::
        88–300 V DC / 70–265 V AC
      • Humidity::
        up to 90% non-condensing
      • Stock:
        40
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      FAQ

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      • What is the fundamental operational role of the 745-W3-P5-G5-HI-A within transformer protection architectures?
        The 745-W3-P5-G5-HI-A is a microprocessor-based transformer protection and management relay designed to supervise and safeguard power transformers against electrical and thermal anomalies. It performs protective functions such as differential protection, fault detection, and system monitoring, ensuring operational reliability and asset longevity in medium- and high-voltage power systems
      • How does the 745-W3-P5-G5-HI-A accommodate multi-winding transformer configurations?
        The 745-W3-P5-G5-HI-A supports a three-winding transformer topology, enabling simultaneous monitoring and protection of multiple transformer windings. This architecture allows the relay to perform differential protection and phase current measurement across each winding, thereby improving fault discrimination and system selectivity.
      • What current input ratings are specified for the 745-W3-P5-G5-HI-A protection relay?
        The 745-W3-P5-G5-HI-A is configured with 5 A phase current input ratings per winding and 5 A ground current input capability, enabling compatibility with standard current transformer (CT) interfaces typically used in industrial power distribution systems.
      • What functional significance does the “A” option represent in the 745-W3-P5-G5-HI-A configuration code?
        Within the ordering code of 745-W3-P5-G5-HI-A, the “A” designation indicates the inclusion of analog input and output functionality, allowing the relay to interface with external instrumentation and supervisory control systems for advanced monitoring and data acquisition.
      • Why is the 745-W3-P5-G5-HI-A considered suitable for mission-critical transformer protection applications?
        The 745-W3-P5-G5-HI-A integrates microprocessor-based protection algorithms, comprehensive monitoring capabilities, and robust control power flexibility, enabling accurate fault detection and system diagnostics. Its advanced relay architecture significantly enhances grid reliability and mitigates the risk of catastrophic transformer failures.
      • How does the 745-W3-P5-G5-HI-A contribute to predictive maintenance strategies in power systems?
        By continuously measuring electrical parameters such as phase current and ground current, the 745-W3-P5-G5-HI-A enables operators to detect abnormal operational conditions at an early stage. This capability facilitates condition-based maintenance strategies and reduces unscheduled transformer outages.
      • In what types of industrial or utility environments is the 745-W3-P5-G5-HI-A typically deployed?
        The 745-W3-P5-G5-HI-A is commonly implemented in: Electrical substations Power generation facilities Industrial power distribution networks Heavy manufacturing plants Oil and gas processing infrastructure Its rugged design and advanced protection functions make it suitable for harsh and high-demand electrical environments.
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      Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.