{"product_id":"abb-ret670-1mrk004816-ac-relion-transformer-protection-relay","title":"ABB RET670 1MRK004816-AC Relion Transformer Protection Relay","description":"\u003ch3\u003e\u003cstrong\u003eTechnical Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB RET670 (1MRK004816-AC)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance Intelligent Electronic Device (IED) within the Relion® 670 series, engineered for the comprehensive protection and control of transformers in high-voltage power systems. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB 1MRK004816-AC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis built to the following industrial-grade engineering standards:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary Application:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTransformer protection in high-voltage transmission and distribution networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage Measurement Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e300–500 V AC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRated Frequency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e50\/60 Hz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement Accuracy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±1% for precision monitoring of electrical parameters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Contacts:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2 SPDT (Single-Pole Double-Throw) relays for signaling and tripping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Protocols:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIEC 61850:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNative support for modern substation digital communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModbus:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFacilitates integration with third-party PLCs and industrial hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDNP3:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsures full compatibility with SCADA host systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Logging:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-capacity event logging and fault record storage for post-fault forensics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Standards:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard DIN rail compatible for flexible cabinet installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDurability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eComplies with IEC 60068 standards for shock and vibration resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptimized for reliable operation in harsh industrial and outdoor substation environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Grid Reliability \u0026amp; Data Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAs a cornerstone of the Relion® 670 family, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRET670 1MRK004816-AC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as both a protector and a data hub. It continuously monitors transformer health, logging event data with millisecond precision to allow engineers to analyze the root causes of system disturbances. The support for IEC 61850 GOOSE messaging allows this relay to communicate horizontally with other substation IEDs, enabling fast-acting interlocking and protection coordination without the need for traditional, complex copper hardwiring. This digital-first approach significantly reduces installation costs while increasing overall system flexibility.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":47088455057598,"sku":"RET670 1MRK004816-AC","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_11-33-39_4195facb-9d71-4324-b380-dd5e84996667.png?v=1778745893","url":"https:\/\/www.autooiltech.com\/products\/abb-ret670-1mrk004816-ac-relion-transformer-protection-relay","provider":"AutoOilTech Limited","version":"1.0","type":"link"}