{"product_id":"abb-red670-1mrk002810-ab-line-differential-protection-relay","title":"ABB RED670 1MRK002810-AB Line Differential Protection Relay","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB RED670 (1MRK002810-AB)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance intelligent electronic device (IED) engineered for line differential protection and bay control in transmission and sub-transmission networks. Part of the Relion® 670 series, this relay ensures fast, precise fault detection and reliable system operation under complex network conditions. Its advanced multi-terminal differential logic allows selective fault isolation, maintaining grid stability during disturbances.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhase-Segregated Differential Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIndependently monitors each phase, enabling secure single-pole tripping and automatic reclosing for maximum system availability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Sensitivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDetects high-impedance earth faults that conventional relays might overlook.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-Terminal Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHandles up to five line ends with fiber-optic or galvanic communication links.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Bay Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides remote control of breakers and disconnectors, synchro-check, and energizing checks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptional Backup Distance Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOffers secondary defense in case of communication loss between terminals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFault Location:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePrecisely calculates fault positions on protected lines to reduce downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Communication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports IEC 61850 (Edition 1 \u0026amp; 2), DNP3, Modbus, and IEC 60870-5-103 protocols. Echo-timing synchronization ensures accurate time alignment even without GPS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eFeature\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRED670 (1MRK002810-AB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eLine Differential Protection \u0026amp; Bay Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Time\u003c\/td\u003e\n\u003ctd\u003eTypically \u0026lt; 20 ms for differential protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24–250 VDC or 100–240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Inputs\u003c\/td\u003e\n\u003ctd\u003e1 A \/ 5 A configurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50 \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e135 x 186 x 119 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eIEC 61850, DNP3, Modbus, IEC 60870-5-103\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOverhead transmission lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUnderground cables\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectrical substations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComplex multi-terminal protection schemes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCan the RED670 support five-line terminals?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, it can protect up to five line ends simultaneously using either fiber-optic or galvanic links.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDoes it provide fault location information?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, the relay calculates precise fault positions on protected lines, aiding faster maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIs it compatible with modern digital substations?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFully. The device supports IEC 61850 Edition 1 \u0026amp; 2 for seamless integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCan it detect high-impedance earth faults?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, the phase-segregated differential logic is highly sensitive to detect even challenging fault types.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44142793490531,"sku":"RED670 1MRK002810-AB","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/ABBRED6701MRK002810-AB-2.jpg?v=1777253147","url":"https:\/\/precisemodule.com\/products\/abb-red670-1mrk002810-ab-line-differential-protection-relay","provider":"Precise Module Ltd.","version":"1.0","type":"link"}