{"product_id":"abb-red670-1mrk002810-ab-differential-protection","title":"ABB RED670 1MRK002810-AB Differential Protection","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB RED670 (1MRK002810-AB)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a premier line differential protection relay specifically engineered for the high-speed, selective protection of overhead transmission lines and underground cables. As a key member of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRelion® 670 series\u003c\/strong\u003e, it utilizes a phase-segregated comparison method to detect internal faults with extreme sensitivity.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eABB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRED670 (Part: 1MRK002810-AB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuxiliary Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUniversal support for 48-250V DC\/AC (Supports 110V\/220V DC standards).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e50\/60 Hz (Dual-frequency compatible).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReliable performance from -40°C to +70°C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Speed:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptimized for sub-cycle fault detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e135 x 186 x 119 mm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLightweight 1.2 kg design (compact variant).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Scope:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-voltage overhead lines, underground cables, and substation bay protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features \u0026amp; Engineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhase-Segregated Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy comparing current values for each phase independently, the RED670 achieves superior accuracy during single-phase-to-earth faults and asymmetrical fault conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-Terminal Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe relay is designed for complex grid topologies, capable of providing secure phase selection and protection for lines with up to five terminals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdaptive Charging Current Compensation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOn long underground cables, the relay automatically compensates for the natural capacitive charging current, preventing nuisance trips and allowing for more sensitive settings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Digital Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports a wide array of communication protocols, including IEC 61850, allowing for seamless integration into modern digital substations and remote SCADA control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Logic Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe relay’s internal logic is highly customizable, allowing engineers to tailor the protection scheme to the specific operational requirements of the utility or industrial plant.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46805215674558,"sku":"RED670 1MRK002810-AB","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-05-08_13-51-06.png?v=1778219691","url":"https:\/\/www.autooiltech.com\/products\/abb-red670-1mrk002810-ab-differential-protection","provider":"AutoOilTech Limited","version":"1.0","type":"link"}