{"product_id":"ge-745-w2-p5-g5-hi-r-l-transformer-protection-relay","title":"GE 745-W2-P5-G5-HI-R-L Transformer Protection Relay","description":"\u003cp\u003eThe \u003cstrong\u003eGE 745-W2-P5-G5-HI-R-L\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e745\u003c\/strong\u003e Transformer Protection Relay, operates as a dedicated hardware component for primary and backup electrical fault detection within transformer network platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e745\u003c\/strong\u003e: Base series for transformer protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eW2\u003c\/strong\u003e: Two-winding transformer application configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP5\u003c\/strong\u003e: 5 A nominal current input rating for current transformer (CT) interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG5\u003c\/strong\u003e: Control power supply and communication capability configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI\u003c\/strong\u003e: High voltage power supply option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR\u003c\/strong\u003e: Standard rear-mount terminal configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL\u003c\/strong\u003e: Standard display and control interface option.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e745-W2-P5-G5-HI-R-L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e7.54 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e21.5 cm x 23 cm x 25 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Current\u003c\/td\u003e\n\u003ctd\u003e5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eTwo-winding transformer protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control Deterministic Network Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe 745 relay supports firmware flash compatibility, allowing for protocol updates essential for integration into diverse SCADA architectures. Its internal processing engine is optimized to maintain backplane bus communication velocity, ensuring that deterministic trip signals are propagated without latency during power system fault events. I\/O density scaling and internal protection logic execution remain decoupled from external communication load, preventing command execution jitter in high-traffic network environments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 745 relay be removed while the transformer is energized?\u003c\/p\u003e\n\u003cp\u003eA: The relay features a draw-out design, but the CT secondary circuits must be explicitly short-circuited before the module is withdrawn. Failure to short the CTs will result in dangerous open-circuit voltages at the CT secondary terminals, posing a risk to personnel and equipment.\u003c\/p\u003e\n\u003cp\u003eQ: Is this unit compatible with both 50 Hz and 60 Hz networks?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the protection algorithms are frequency-agile and can be configured to operate within standard power frequency ranges via the relay settings menu.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the chassis is mounted in a vibration-damped cabinet to protect internal electronic components and the HMI display.\u003c\/li\u003e\n\u003cli\u003eVerify that the \"HI\" power supply input voltage matches the facility's auxiliary supply range before termination to prevent internal power supply damage.\u003c\/li\u003e\n\u003cli\u003eUse high-conductivity copper terminal lugs for all CT and PT connections, ensuring a torque value compliant with the manufacturer's installation manual.\u003c\/li\u003e\n\u003cli\u003eRoute shielded communication cables through grounded steel conduit, ensuring a minimum distance from high-voltage primary buswork to mitigate electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003ePerform a secondary injection test after installation to verify trip logic and communication protocol handshake before placing the relay into active service.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE FANUC","offers":[{"title":"Default Title","offer_id":52667307229496,"sku":"745-W2-P5-G5-HI-R-L","price":220.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/745-W2-P5-G5-HI-R-L.jpg?v=1784531953","url":"https:\/\/www.automodulexpert.com\/products\/ge-745-w2-p5-g5-hi-r-l-transformer-protection-relay","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}