{"product_id":"abb-ref-542plus-feeder-protection-and-control-complete-unit","title":"ABB REF 542plus Feeder Protection and Control Complete Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eREF 542plus\u003c\/strong\u003e (\u003cstrong\u003eREF542PLUS\u003c\/strong\u003e) functions as a comprehensive multi-functional feeder protection, control, and measurement unit engineered for medium-voltage distribution automation systems. This complete unit, cataloged under product ID \u003cstrong\u003eREF 542PLUS\u003c\/strong\u003e, combines standard protection algorithms, multi-channel measurement, control logic orchestration, and localized human-machine monitoring within a single device housing. Configured specifically under the factory designation as a \u003cstrong\u003eDOWNGRADED VERSION\u003c\/strong\u003e, this hardware revision is built to satisfy localized distribution networks requiring tailored protection schemes without unnecessary ancillary processing modules. The assembly interfaces directly with medium-voltage switchgear components, executing real-time current and voltage monitoring, programmatic interlocking, and network safety control to shield distribution feeders from electrical faults.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete integrated assembly providing unified protection and control monitoring for medium-voltage systems.\u003c\/li\u003e\n\u003cli\u003eBuilt under the specific \u003cstrong\u003eDOWNGRADED VERSION\u003c\/strong\u003e technical variant designation.\u003c\/li\u003e\n\u003cli\u003eFactory status certified as a brand-new, unissued automated replacement unit.\u003c\/li\u003e\n\u003cli\u003eEngineered to execute precise monitoring within distribution automation structures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedium-voltage product and switchgear distribution systems.\u003c\/li\u003e\n\u003cli\u003eDistribution automation infrastructure requiring dedicated feeder protection and control.\u003c\/li\u003e\n\u003cli\u003eSubstation loop monitoring, programmatic interlocking, and circuit breaker fault-tripping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct ID\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eREF 542PLUS (REF542PLUS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eABB Type Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDOWNGRADED VERSION\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eREF542PLUS COMPLETE UNIT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFinland (FI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCustoms Tariff Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85364900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Net Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003ch3\u003ePanel Mounting\u003c\/h3\u003e\n\u003cp\u003eThe enclosure must be mounted securely into a pre-cut cutout panel on a medium-voltage switchgear door or control cabinet. Ensure all mounting clamps are tightened evenly to maintain uniform sealing pressure and prevent distortion of the chassis frame.\u003c\/p\u003e\n\u003ch3\u003eGrounding and Shielding\u003c\/h3\u003e\n\u003cp\u003eEstablish a low-impedance connection between the rear panel grounding stud and the main substation earth busbar using a heavy-gauge copper braid. Proper grounding is essential to protect the internal digital electronics from high-voltage transients and inductive switching noise common in medium-voltage environments.\u003c\/p\u003e\n\u003ch3\u003eCable Routing\u003c\/h3\u003e\n\u003cp\u003eSeparate the low-voltage binary signaling lines and communications cables from the secondary high-current instrument transformer wiring (current transformers and voltage transformers). Route cables through dedicated metallic wireways to prevent electromagnetic interference from cross-coupling into sensitive analog sampling circuits.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52668524790123,"sku":"REF542PLUS","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/abb-ref542plus-2rca029395-feeder-terminal-panel-53uoxtbouk2_2cb6ce41-5135-49f4-93e9-14cc077f8aa9.jpg?v=1765532755","url":"https:\/\/www.plcprotech.com\/pt\/products\/abb-ref-542plus-feeder-protection-and-control-complete-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}