{"product_id":"abb-ret670-1mrk002816-ac-transformer-protection-and-control-ied","title":"ABB RET670 1MRK002816-AC Transformer Protection and Control IED","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB RET670 (1MRK002816-AC)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a premium digital protection device within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRelion® 670 series\u003c\/strong\u003e, specialized for power transformers. It supports two-winding, three-winding, and autotransformer configurations, providing high-speed differential and backup protection. \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRET670 1MRK002816-AC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Series:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRelion 670.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2\/3 Winding Transformers, Autotransformers, Step-up Transformers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCT Inputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports up to 6 Current Transformer (CT) inputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStandard Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eANSI A(AB)\/B(BB).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMain Functions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOvercurrent, Grounding, and Negative Sequence Protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWideband operation for disturbances and generator ramp-up\/down.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTypically 110kV and above.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features and Engineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Transformer Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA single unit can protect various assets, including phase-shifting transformers, shunt reactors, and railway traction transformers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComplex Breaker Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSeamlessly manages single, dual, or multi-circuit breaker configurations, providing comprehensive coverage for sophisticated switchyard designs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWideband Operational Stability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifically designed to remain stable and functional during frequency fluctuations typical of generator start-up or major system disturbances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Backup Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard ANSI configurations provide a robust second line of defense including negative sequence and grounding protection to detect asymmetrical faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Fidelity Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated voltage control and measurement functions allow for real-time monitoring of transformer health and power quality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIEC 61850 Native:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsures full interoperability with digital substation architectures, supporting high-speed GOOSE messaging for interlocking and tripping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46985744548030,"sku":"RET670 1MRK002816-AC","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-05-11_11-00-37_88ba217d-d23d-4043-8aac-d412c368b62c.png?v=1778470809","url":"https:\/\/www.autooiltech.com\/products\/abb-ret670-1mrk002816-ac-transformer-protection-and-control-ied","provider":"AutoOilTech Limited","version":"1.0","type":"link"}