{"product_id":"abb-ref630-overcurrent-and-earth-fault-protection-unit","title":"ABB REF630 Overcurrent and Earth-Fault Protection Unit","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB REF630\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-performance feeder management powerhouse within the Relion® 630 product family. Designed for utility and industrial power distribution, this relay provides comprehensive protection, control, measurement, and supervision of medium-voltage feeders. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your digital substation benefits from advanced fault location and seamless SCADA integration.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe REF630 features a modular hardware design to accommodate diverse substation requirements:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRelion® 630\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Functions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOvercurrent, Earth-Fault, Thermal Overload, Voltage\/Frequency\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eControl Functions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFeeder Bay Control, Breaker Monitoring, Trip-Circuit Supervision\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMeasurement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCurrent, Voltage, Frequency, Power, Energy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIEC 61850, Modbus, DNP3, SPA, LON, Profibus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDisturbance Recorder, Fault Location Logs, Event History\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24–250 V DC \/ 100–240 V AC (Configuration Dependent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–40 °C to +85 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.0 – 4.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe REF630 optimizes grid stability by solving complex protection and communication challenges:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Substation Readiness:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe relay natively supports IEC 61850, including high-speed GOOSE messaging. This allows the REF630 to execute horizontal communication between relays, eliminating miles of copper hardwiring and reducing commissioning costs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Bay Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBeyond protection, the REF630 controls circuit breakers and disconnectors directly from its local HMI or remotely. This integration reduces the total device count in the switchgear panel, simplifying the overall secondary system design.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Fault Localization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in disturbance recorders and fault-location algorithms identify the exact distance to a feeder fault. This precision allows repair crews to bypass manual inspections and restore power faster, significantly improving SAIDI and SAIFI metrics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtreme Environmental Endurance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith an operating range of –40 °C to +85 °C, the hardware functions reliably in unheated outdoor kiosks or high-temperature industrial environments without auxiliary cooling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the REF630 handle feeders with distributed renewable energy sources?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The REF630 includes specific voltage and frequency protection elements that manage the bidirectional power flows and stability requirements typical of networks containing solar, wind, or other distributed generation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the relay simplify troubleshooting after a trip?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The REF630 records comprehensive disturbance logs and event sequences. You can extract these files via the communication port to analyze waveforms and identify the precise sequence of events leading to the trip.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the REF630 compatible with legacy communication protocols?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Absolutely. While optimized for IEC 61850, the relay also supports Modbus, DNP3, Profibus, SPA, and LON, allowing you to integrate it into existing brownfield substations without replacing the entire network infrastructure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module support trip-circuit supervision (TCS)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The REF630 constantly monitors the integrity of the breaker trip circuit in both open and closed positions, alerting operators immediately if a wiring break or loss of supply occurs.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43838326505571,"sku":"REF630","price":676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/178_ab26deb1-cf1b-4b15-9aa4-bfe56fcd91d3.jpg?v=1763100736","url":"https:\/\/www.autocontrolglobal.com\/products\/abb-ref630-overcurrent-and-earth-fault-protection-unit","provider":"AutoControl Global","version":"1.0","type":"link"}