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      745-W3-P5-G5-HI-A

      General Electric TRANSFORMER MANAGEMENT RELAY

      Product Information

      Product Describe
      Transformer Protection System
      works in tandem with the EnerVista 745 software program
      Using EnerVista745
      a vast array of system statistics 
      • 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
      • Stock:
        40

      • New and original with factory sealed packing

        Brand new and 100% original unit, supplied in factory-sealed packaging, ensuring untouched condition and full manufacturer integrity.

      • New in opened package

        These parts are new. They have not been used, but their original packaging has been opened or the packaging is significantly aged.

      • New surplus

        New surplus item in unused condition, originally manufactured for distribution but not deployed in service.

      • Refurbished

        This product has been repaired by an authorized service center, and worn or aged parts have been replaced with qualified genuine parts. Warranty terms are subject to refurbishment certification and service policies.
      By purchasing this item, you agree to the Terms & Conditions
      Moore Automated is NOT an authorized distributor of General Electric
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          FAQ

          • 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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