{"product_id":"abb-ref601ce446bb1-feeder-protection-relay","title":"ABB REF601CE446BB1 Feeder Protection Relay","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREF601CE446BB1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeeder protection relay from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebelongs to the Relion 600 family, engineered for dependable protection, measurement, and control of medium-voltage distribution feeders. Designed with a compact footprint and DIN-rail mounting, this relay is well suited for space-constrained switchgear panels in substations and industrial power systems.\u003c\/p\u003e\n\u003cp\u003eBuilt on ABB’s proven protection platform, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREF601CE446BB1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecombines essential feeder protection algorithms with advanced monitoring and communication capabilities. It supports digital substation architectures and integrates smoothly into modern automation environments through IEC 61850 and conventional serial protocols.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eManufacturer: ABB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Series: Relion 600\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Type: Feeder Protection and Control Relay\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModel:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREF601CE446BB1\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation Method: DIN-rail mounted\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAuxiliary Supply Voltage: 110–240 VAC \/ DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRated Current Inputs: 1 A or 5 A (software selectable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSystem Frequency: 50 \/ 60 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperating Temperature Range: −20 °C to +60 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnclosure Design: Compact modular housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCountry of Manufacture: Sweden\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eProtection and Control Functions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePhase overcurrent protection (definite and inverse time)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEarth fault protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThermal overload supervision\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOvervoltage and undervoltage protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUnderfrequency and overfrequency detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFeeder control with circuit breaker supervision\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEvent and fault recording with time stamping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMeasurement and Monitoring\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePhase and residual current measurement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVoltage and power monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDisturbance recording for post-fault analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal self-diagnostics for relay health monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCommunication and Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCommunication Ports: RS-485, Ethernet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptional Fiber-Optic Interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupported Protocols:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eIEC 61850 (substation automation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModbus RTU\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSCADA system compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis communication flexibility allows the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREF601CE446BB1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto operate both in conventional substations and in fully digital IEC 61850-based installations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMedium-voltage feeder protection in substations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial power distribution panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUtility and energy distribution networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRetrofit projects replacing legacy feeder relays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact switchgear assemblies with limited panel space\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the REF601CE446BB1 suitable for IEC 61850 substations?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The relay natively supports IEC 61850, enabling seamless integration with modern digital substations and station-level systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the same relay be used for both 1 A and 5 A CT inputs?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The rated current input is configurable via settings, allowing use with either 1 A or 5 A current transformers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this model suitable for retrofit projects?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. Its compact DIN-rail design and wide auxiliary voltage range make it ideal for replacing older feeder protection relays.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":42994615550042,"sku":"REF601CE446BB1","price":258.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/REF601CE446BB12.jpg?v=1772436672","url":"https:\/\/www.plcmasters.com\/es\/products\/abb-ref601ce446bb1-feeder-protection-relay","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}