{"product_id":"abb-ref615k-protection-relay","title":"ABB REF615K Protection Relay","description":"\u003ch3\u003e\u003cstrong\u003eTechnical Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB REF615K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance Intelligent Electronic Device (IED) from the Relion® 615 series, specifically engineered for the protection, measurement, and supervision of utility substations and industrial 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 REF615K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis defined by the following industrial-grade engineering parameters:\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\u003eFeeder protection, measurement, and system supervision.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUniversal 24 V to 250 V DC (±20% operating range).\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 (±5 Hz).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Drain:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEfficient 2 mA to 18 mA range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThreshold Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigurable from 18 V to 176 V DC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContact Ratings:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e*\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRated Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e250 V AC\/DC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContinuous Carry:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5 A.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShort-term Make\/Carry:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10 A (0.5 s) \/ 8 A (3.0 s).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum Load:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100 mA at 24 V AC\/DC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBreaking Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 A \/ 0.25 A \/ 0.15 A (at L\/R \u0026lt; 40 ms).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e177 mm (4U Height) x 177 mm (Frame Width) x 155 mm (Case Depth).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3.5 kg (Relay unit); 1.8 kg (Spare unit).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLead Time:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e6 – 10 Weeks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eControl and Supervisory Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREF615K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eexcels in modern substation automation by integrating control logic directly into the protection module. The inclusion of dedicated control push-buttons simplifies manual breaker management, while the internal logic supports complex interlocking and auto-reclosing schemes. Its supervisory capabilities extend to monitoring the health of the trip circuit, current transformer integrity, and internal hardware\/software self-diagnostics. This ensures that the protection system is always ready to act during a fault, minimizing the risk of failure-to-trip scenarios in critical power infrastructure.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":47088428777662,"sku":"REF615K","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_09-13-36_08562669-76e4-45ea-895d-492ecf0e5513.png?v=1778745887","url":"https:\/\/www.autooiltech.com\/products\/abb-ref615k-protection-relay","provider":"AutoOilTech Limited","version":"1.0","type":"link"}