{"product_id":"abb-ref601-relion-605-series-feeder-protection-and-control-relay","title":"ABB REF601 Relion 605 Series Feeder Protection and Control Relay","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB\u003c\/strong\u003e \u003cstrong\u003eREF601\u003c\/strong\u003e is a dedicated feeder protection and control relay belonging to the \u003cstrong\u003eRelion\u003c\/strong\u003e \u003cstrong\u003e605 Series\u003c\/strong\u003e. Designed for primary and secondary distribution networks, the \u003cstrong\u003eREF601\u003c\/strong\u003e provides protection, monitoring, and control functionality for utility and industrial power system overhead lines, cable feeders, and distribution transformers. It features an integrated local human-machine interface (LHMI) with built-in control buttons for single circuit breaker operation, support for conventional CTs or Rogowski current sensors, and serial communication capabilities.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart of the ABB Relion 605 series product family for utility and industrial installations\u003c\/li\u003e\n\u003cli\u003eIntegrated LHMI with dedicated push buttons for local control of one circuit breaker\u003c\/li\u003e\n\u003cli\u003eSupports both conventional current transformers (4 CT inputs) and Rogowski current sensor configurations (3 sensor inputs, 1 CT input)\u003c\/li\u003e\n\u003cli\u003eSelectable protection characteristics including Definite Time (DT), standard IEC 61255-3 IDMT curves, ANSI C37.112 IDMT curves, and RI Inverse\u003c\/li\u003e\n\u003cli\u003eThree-level, role-based user authentication system with separate operator, engineer, and administrator passwords\u003c\/li\u003e\n\u003cli\u003eIntegrated self-supervision for hardware\/software and trip-circuit monitoring (TCM)\u003c\/li\u003e\n\u003cli\u003eDetachable terminals with CT shorting for reduced MTTR\u003c\/li\u003e\n\u003cli\u003ePress-fit mounting design for panel installations\u003c\/li\u003e\n\u003cli\u003eNon-volatile memory storage for 100 time-stamped events (1 ms resolution) and analog fault records for the last 5 trip events\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUtility and industrial power distribution networks\u003c\/li\u003e\n\u003cli\u003eMain protection for overhead line feeders and cable feeders\u003c\/li\u003e\n\u003cli\u003eMain protection for distribution transformers using inrush current stabilization\u003c\/li\u003e\n\u003cli\u003eDirect mounting on ABB circuit breakers VD4 and HD4\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\u003eValue\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eREF601\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eRelion 605 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Type\u003c\/td\u003e\n\u003ctd\u003eFeeder Protection and Control Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs (CT Version)\u003c\/td\u003e\n\u003ctd\u003e4 CTs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs (Sensor Version)\u003c\/td\u003e\n\u003ctd\u003e3 sensor inputs, 1 CT input (1 A for zero sequence\/residual current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBinary Inputs\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBinary Outputs\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSequence of Events Storage\u003c\/td\u003e\n\u003ctd\u003e100 events (1 ms resolution)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Data Storage\u003c\/td\u003e\n\u003ctd\u003eAnalog fault records for the last 5 trip events\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Communication Protocols\u003c\/td\u003e\n\u003ctd\u003eMODBUS RTU, IEC 60870-5-103\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Interface\u003c\/td\u003e\n\u003ctd\u003eRS-485, 2-wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction \/ Assignment\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS-485 (2-wire)\u003c\/td\u003e\n\u003ctd\u003eSerial communication port supporting MODBUS RTU \/ IEC 60870-5-103 protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd\u003e4 CT inputs or 3 sensor inputs + 1 conventional CT input (1 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBinary I\/O Terminals\u003c\/td\u003e\n\u003ctd\u003e4 configurable binary inputs and 6 configurable binary outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eDetachable terminals with CT shorting\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\u003cul\u003e\n\u003cli\u003eFeatures a press-fit mounting design suitable for direct panel mounting or installation on ABB VD4 and HD4 circuit breakers.\u003c\/li\u003e\n\u003cli\u003eUtilize detachable terminals with built-in CT shorting during wiring setup and maintenance to safely isolate CT circuits.\u003c\/li\u003e\n\u003cli\u003eConnect the 2-wire RS-485 serial interface using proper communication line termination for remote automation integration.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53712511861099,"sku":"REF601","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/REF601_1200x1200_ff09017a-52c8-4a67-affa-6352182f01e9.jpg?v=1786537031","url":"https:\/\/www.plcprotech.com\/it\/products\/abb-ref601-relion-605-series-feeder-protection-and-control-relay","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}