{"product_id":"abb-ret670-relion-transformer-protection-relay","title":"ABB RET670 Relion Transformer Protection Relay","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB RET670\u003c\/strong\u003e is an Intelligent Electronic Device (IED) belonging to the Relion protection and control product family. The device provides selective protection, control, and monitoring solutions for two- and three-winding power transformers, autotransformers, generator-transformer units, phase shifting transformers, special railway transformers, and shunt reactors. It features differential protection with automatic CT ratio matching and vector group compensation, allowing operation across a wide frequency range during power system disturbances, generator start-up, and shut-down.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB RET670\u003c\/strong\u003e accommodates multi-breaker station arrangements with up to six restraint CT inputs without requiring interposing CTs. It integrates main and backup protection functions, including restricted earth fault, distance protection, directional overcurrent, thermal overload, voltage protection, and local\/remote apparatus control with station-wide interlocking. Native support for the IEC 61850 protocol ensures interoperable station communication.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransformer Differential Protection:\u003c\/strong\u003e Includes percentage bias restraint, 2nd harmonic and waveform restraint for inrush, 5th harmonic restraint for overexcitation, and symmetrical-component-based sensitivity for winding interturn faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestricted Earth Fault Protection:\u003c\/strong\u003e Offers low-impedance percentage biased REF with directional zero-sequence criteria or high-impedance differential protection for earthed windings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Distance Protection:\u003c\/strong\u003e Full-scheme phase-to-phase and phase-to-earth distance protection with up to five zones, supporting quadrilateral or mho characteristics with load encroachment features.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Backup Protection:\u003c\/strong\u003e Multi-step directional phase and residual overcurrent, thermal overload (two time constants), over\/undervoltage, volts-per-hertz (overexcitation), and rate-of-change frequency functions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl and Interlocking:\u003c\/strong\u003e Apparatus control for up to 6 bays (maximum 30 devices) with synchrocheck, energizing check, and configurable logic blocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisturbance \u0026amp; Event Recording:\u003c\/strong\u003e Integrated report function capturing up to 40 analog and 96 binary signals with standard COMTRADE format output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Flexibility:\u003c\/strong\u003e Modular architecture supporting IEC 61850-8-1, IEC 60870-5-103, DNP3.0 (EIA-485 or Ethernet), LON, and SPA protocols.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-winding and three-winding power transformers\u003c\/li\u003e\n\u003cli\u003eAutotransformers and generator-transformer blocks\u003c\/li\u003e\n\u003cli\u003eShunt reactors and tertiary connected reactors\u003c\/li\u003e\n\u003cli\u003ePhase shifting transformers and railway transformers\u003c\/li\u003e\n\u003cli\u003eSubstation multi-breaker, ring-bus, and mesh-corner feeder arrangements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB \/ Hitachi Energy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Frequency (fr)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz (+\/- 5%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Secondary Current (Ir)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 A or 5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Current Operative Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e(0 - 100) x Ir\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Permissive Overload\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 x Ir continuous; 100 x Ir for 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Burden\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 20 mVA at Ir = 1 A; \u0026lt; 150 mVA at Ir = 5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated AC Voltage (Ur)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Voltage Operative Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e(0 - 340) V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Permissive Overload\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e420 V continuous; 450 V for 10 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Burden\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.1 VA at 110 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuxiliary DC Voltage (EL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e(24 - 60) V DC +\/- 20%; (90 - 250) V DC +\/- 20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption (PSM)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 W (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBinary Input Voltages (RL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24\/40 V, 48\/60 V, 110\/125 V, 220\/250 V DC (+\/- 20%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBinary Output Contacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMax system voltage 250 V AC\/DC; 8 A continuous carrying capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emA Input Range (MIM)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/- 5 mA, +\/- 10 mA, +\/- 20 mA, 0-5 mA, 0-10 mA, 0-20 mA, 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10% - 90% (operating range 0% - 95%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Dimensions (1\/2 x 19\")\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e223.7 mm (W) x 265.9 mm (H) x 201.1 mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Dimensions (3\/4 x 19\")\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e336.0 mm (W) x 265.9 mm (H) x 201.1 mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Dimensions (1\/1 x 19\")\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e448.1 mm (W) x 265.9 mm (H) x 201.1 mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eRear Position\u003c\/th\u003e\n\u003cth\u003eModule \/ Interface Type\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eX11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Supply Module (PSM)\u003c\/td\u003e\n\u003ctd\u003eAuxiliary DC power supply input and internal fail contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eX31 – X162\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBIM \/ BOM \/ SOM \/ IOM \/ MIM\u003c\/td\u003e\n\u003ctd\u003eSlots for Binary In, Binary Out, Static Out, Combo I\/O, or mA Input modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eX301\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSLM Module\u003c\/td\u003e\n\u003ctd\u003eOptical serial communication for SPA, IEC 60870-5-103, or LON (ST\/HFBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eX302\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIRIG-B \/ LDCM\u003c\/td\u003e\n\u003ctd\u003eIRIG-B time synchronization (BNC\/ST) or Line Data Communication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eX311\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOEM Module\u003c\/td\u003e\n\u003ctd\u003eFast Ethernet optical interface (ST connector) for IEC 61850-8-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eX312\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485 \/ LDCM\u003c\/td\u003e\n\u003ctd\u003eGalvanic RS485 terminal block (DNP3.0) or additional LDCM slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eX401 \/ X411\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTRM Module\u003c\/td\u003e\n\u003ctd\u003eTransformer input module for galvanic separation of CT\/VT secondary circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eP1 (Front)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLHMI Ethernet Port\u003c\/td\u003e\n\u003ctd\u003eIsolated RJ45 port for local PC maintenance and software configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Alternatives:\u003c\/strong\u003e Mountable in standard 19-inch rack frames, wall-mounted, or flush-mounted into control panels using cut-outs corresponding to 1\/2, 3\/4, or 1\/1 casing widths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ensure the protective earth conductor is connected to the ground lug on the rear panel before powering the unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCT\/VT Secondary Wiring:\u003c\/strong\u003e Connect current transformer secondary outputs using ring lug or compression terminals on the TRM module. CT circuits must never be open-circuited under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptocoupler Inputs:\u003c\/strong\u003e Ensure external DC auxiliary control voltages match the ordered rating of the binary input modules (24\/40 V, 48\/60 V, 110\/125 V, or 220\/250 V DC).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber Optic Connections:\u003c\/strong\u003e Avoid bending optical cables past their specified minimum bend radius when routing to the OEM, SLM, or LDCM modules. Keep optical connectors clean to maintain signal integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectromagnetic Compatibility:\u003c\/strong\u003e IEC 60255-22-1, IEC 60255-22-2 Class IV, IEC 60255-22-3, IEC 60255-22-4 Class A, IEC 60255-22-5, IEC 61000-4-2 Class IV, ANSI\/IEEE C37.90.1, ANSI\/IEEE C37.90.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation \u0026amp; Voltage:\u003c\/strong\u003e IEC 60255-5 (Dielectric test 2.0 kV AC, Impulse voltage test 15 kV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental:\u003c\/strong\u003e IEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-30, IEC 60068-2-78\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical:\u003c\/strong\u003e IEC 60255-21-1 (Vibration), IEC 60255-21-2 (Shock \u0026amp; Bump), IEC 60255-21-3 (Seismic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE Directives:\u003c\/strong\u003e EN 50263 (EMC Immunity and Emission), EN 50178 (Low Voltage Directive)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53597324083563,"sku":"RET670","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ret670.jpg?v=1784812215","url":"https:\/\/www.plcprotech.com\/products\/abb-ret670-relion-transformer-protection-relay","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}