{"product_id":"abb-ref542plus-digital-bay-control-feeder-terminal","title":"ABB REF542PLUS Digital Bay Control Feeder Terminal","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ABB REF542plus is a multi-functional, compact digital bay control and protection feeder terminal designed for comprehensive automation, monitoring, and primary defense across medium-voltage power distribution networks. This high-performance terminal integrates basic protection, control, measurement, and monitoring features into a single piece of hardware. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical 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 Hardware Series\u003c\/strong\u003e: REF542plus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLifecycle Status\u003c\/strong\u003e: Classic (Not active product line since 2020)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary Scope Classification\u003c\/strong\u003e: Integrated Bay Control and Protection Unit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTarget Application Architecture\u003c\/strong\u003e: Medium-voltage switchgear installations, feeder blocks, transformer loops, and motor circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLogic Programming Environment\u003c\/strong\u003e: Function Plan (FUPLA) visual configuration block diagram software\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCore Functions\u003c\/strong\u003e: Real-time signal conditioning, programmable interlocks, diagnostic metering, and custom configuration options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHardware Options\u003c\/strong\u003e: Expandable analog input\/output channels, binary board variants, and communication interface links\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSoftware Utility Suite\u003c\/strong\u003e: Advanced local configuration tools for up-and-downloading, creating, and compiling project-specific code\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLocal Operation Interface\u003c\/strong\u003e: Front-panel integrated HMI control with customizable measurement dashboards and alarm status matrices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Gross Shipping Weight\u003c\/strong\u003e: 5.0 kg (11.02 lbs) including shock-absorbent logistics packaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIndustrial Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ABB REF542plus terminal is heavily utilized within electrical substations, industrial power generation facilities, co-generation loops, and main maritime propulsion panels. Mounted on the low-voltage compartment door of medium-voltage switchgear bays, it acts as the primary brain of the local switch bay. Whether checking an outbound distribution feeder or protecting a large induction motor, the REF542plus continuously evaluates phase currents, line voltages, and thermal models. If a fault condition happens, its internal logic runs instant breaker trip sequences to prevent grid instability and protect equipment from damage.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":47400788754622,"sku":"REF542PLUS","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-05-11_11-18-53_4b2facd1-6764-42c3-bc40-a75146cb63dc.png?v=1779262573","url":"https:\/\/www.autooiltech.com\/products\/abb-ref542plus-digital-bay-control-feeder-terminal","provider":"AutoOilTech Limited","version":"1.0","type":"link"}