{"product_id":"ge-multilin-t35-j03-akh-f8m-ur-transformer-protection-relay","title":"GE Multilin T35-J03-AKH-F8M UR Transformer Protection Relay","description":"\u003ch2\u003eGE Multilin T35-J03-AKH-F8M Universal Relay Transformer Differential Protection System\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGE Multilin T35-J03-AKH-F8M\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eT35\u003c\/strong\u003e Transformer Differential Relay (Full Order Code: \u003cstrong\u003eT35J03AKHF8MH6DM8RP6EU67WXX\u003c\/strong\u003e), operates as a dedicated hardware component for primary and backup protection of multi-winding power transformers within GE Universal Relay (UR) platforms. The instrument calculates percentage differential values with harmonic restraint, processes up to 6 sets of current transformer (CT) inputs, and executes FlexLogic protection algorithms across high-speed utility network interfaces.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrder Code Segment\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eBase Model\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunctional Configuration\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eT35-J03-AKH-F8M\u003c\/td\u003e\n\u003ctd\u003eT35\u003c\/td\u003e\n\u003ctd\u003eUniversal Relay (UR)\u003c\/td\u003e\n\u003ctd\u003eTransformer Protection System with Multi-Winding CT Inputs \u0026amp; Extended Communication Protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eT35-J03-AKH-F8M (Full Model: T35J03AKHF8MH6DM8RP6EU67WXX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE Multilin (GE Grid Solutions)\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\u003e8.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 19-inch rack mount (4U height)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e30 W typical (supplied via internal UR power module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCT Inputs\u003c\/td\u003e\n\u003ctd\u003eUp to 6 sets of phase\/ground CT inputs for restraint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective Elements\u003c\/td\u003e\n\u003ctd\u003e87T Differential, 87N\/REF, 50\/51, 50N\/51N, 24 V\/Hz, 27\/59, 81\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunications\u003c\/td\u003e\n\u003ctd\u003eIEC 61850, Modbus TCP\/RTU, DNP 3.0, EGD, IEEE C37.118 PMU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Logging\u003c\/td\u003e\n\u003ctd\u003e64-sample\/cycle oscillography, 1024-event SOE recorder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Deterministic Network Processing\u003c\/h3\u003e\n\u003cp\u003eThe T35-J03-AKH-F8M communicates across the Universal Relay backplane bus at deterministic execution rates, ensuring sub-cycle trip issuing during differential fault conditions. Embedded analog sampling modules stream digitized phase waveforms to the central processing unit, where FlexLogic algorithms evaluate 2nd and 5th harmonic content to inhibit false trips during magnetizing inrush events. Simultaneously, the internal network architecture publishes IEC 61850 GOOSE messaging and IEEE C37.118 synchrophasor data streams across station bus networks without backplane latency.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the T35 prevent unwanted differential trips during transformer energization?\u003c\/p\u003e\n\u003cp\u003eA: The relay uses 2nd and 5th harmonic restraint and blocking algorithms to distinguish magnetizing inrush currents and overexcitation conditions from internal winding faults.\u003c\/p\u003e\n\u003cp\u003eQ: Can the T35 hardware handle secondary current inputs from multiple transformer windings?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module processes up to 6 sets of three-phase CT inputs, supporting multi-winding transformers integrated into breaker-and-a-half or ring bus configurations.\u003c\/p\u003e\n\u003cp\u003eQ: Is hot-swapping allowed for internal I\/O or processing cards in the T35 chassis?\u003c\/p\u003e\n\u003cp\u003eA: No, engineers must completely de-energize the relay rack power supply and short all external CT secondary lines prior to inserting or removing module cards.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eFollow these core physical and electrical installation steps during field commissioning:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eMount the 4U chassis securely into a standard 19-inch relay panel frame using four corner bolts.\u003c\/li\u003e\n\u003cli\u003eVerify that all external current transformer (CT) secondary circuits route through approved shorting terminal blocks before terminating at the relay rear connectors.\u003c\/li\u003e\n\u003cli\u003eConnect the chassis ground stud directly to the station grounding bus using heavy-gauge copper grounding wire.\u003c\/li\u003e\n\u003cli\u003eWire communication cables (Ethernet\/RS485) into designated ports, maintaining physical separation from high-voltage AC and DC tripping circuits.\u003c\/li\u003e\n\u003cli\u003eApply control power to the power supply module, then load site-specific setting files via the front serial port or Ethernet interface using the setup software.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":42870849011802,"sku":"T35","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/198.jpg?v=1772241843","url":"https:\/\/www.spareoil.com\/products\/ge-multilin-t35-j03-akh-f8m-ur-transformer-protection-relay","provider":"SpareOil Automation","version":"1.0","type":"link"}