{"product_id":"1vcf750090r801-abb-ref542plus-numerical-relay-modbus","title":"1VCF750090R801 ABB REF542PLUS Numerical Relay Modbus","description":"\u003cp\u003eABB REF542PLUS 1VCF750090R801 Feeder Protection and Control Relay\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREF542PLUS (1VCF750090R801)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance numerical feeder protection and control terminal designed for the sophisticated management of medium-voltage power distribution networks. This Intelligent Electronic Device (IED) integrates protection, control, measurement, and monitoring functions within a modular hardware platform. Engineered for high-speed fault detection, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREF542PLUS (1VCF750090R801)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes advanced microprocessor technology to execute complex logic schemes, making it an ideal solution for substation automation. It supports a wide array of communication protocols, ensuring seamless connectivity with centralized SCADA systems while providing robust protection for feeders, transformers, and industrial motors.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: ABB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel\u003c\/strong\u003e: REF542PLUS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1VCF750090R801\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDevice Category\u003c\/strong\u003e: Numerical Feeder Protection and Control Relay\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Functions\u003c\/strong\u003e: Multi-stage overcurrent, earth-fault (directional\/non-directional), thermal overload, undervoltage\/overvoltage, and breaker failure protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement Precision\u003c\/strong\u003e: Real-time monitoring of phase current, voltage, frequency, active\/reactive power, and energy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRated Current Input\u003c\/strong\u003e: 1 A or 5 A (Selectable via configuration)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRated Voltage Input\u003c\/strong\u003e: Standard secondary input up to 110 V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Frequency\u003c\/strong\u003e: 50 \/ 60 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuxiliary Power Supply\u003c\/strong\u003e: Universal wide-range 24–250 V DC or 48–240 V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBinary I\/O\u003c\/strong\u003e: Multiple programmable digital input and output channels for interlocking and signaling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Protocols\u003c\/strong\u003e: IEC 61850, IEC 60870-5-103, Modbus RTU, and DNP3.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEvent Recording\u003c\/strong\u003e: Integrated disturbance recorder and sequence-of-events log for high-resolution fault analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: -25°C to +70°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e: -40°C to +85°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e: 22.4 cm x 13.5 cm x 5.8 cm (8.8 in x 5.3 in x 2.3 in)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e: 0.7 kg (1 lbs 9.1 oz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIngress Protection\u003c\/strong\u003e: IP20\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e: IEC protection relay standards, CE certified.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTariff Code\u003c\/strong\u003e: 8528510000\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43027983401050,"sku":"REF542PLUS 1VCF750090R801","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/42.1_ac085149-a720-42d4-b7ae-2e4ecaaf189b.jpg?v=1773209302","url":"https:\/\/www.spareoil.com\/products\/1vcf750090r801-abb-ref542plus-numerical-relay-modbus","provider":"SpareOil Automation","version":"1.0","type":"link"}