{"product_id":"rec650-1mrk000028-aa-abb-relion-bay-control-relay","title":"REC650 1MRK000028-AA ABB Relion Bay Control Relay","description":"\u003ch2\u003eABB REC650 1MRK000028-AA Relion 650 Series Bay Control Relay\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB REC650 1MRK000028-AA\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eREC650\u003c\/strong\u003e Intelligent Electronic Device (IED), operates as a dedicated hardware component for bay control, protection, and monitoring within sub-transmission switchyards. The micro-processor assembly receives phase currents and voltages from traditional instrument transformers or sensors, evaluates phase-isolated line differential and distance protection algorithms, and executes tripping, auto-reclosing, and synchronism checks over local switchgear trip circuits and substation Ethernet networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrdering Code \/ Model Suffix\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003ePlatform Variant\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecific Hardware \u0026amp; Functional Focus\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eREC650 1MRK000028-AA\u003c\/td\u003e\n\u003ctd\u003eRelion 650 Series\u003c\/td\u003e\n\u003ctd\u003eBay control, phase-isolated line differential, distance backup, and auto-reclosing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eREC650 1MRK006500-AB\u003c\/td\u003e\n\u003ctd\u003eRelion 650 Series\u003c\/td\u003e\n\u003ctd\u003eSecondary distribution grid automation, power quality analysis, and distributed generation control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware 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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eREC650 1MRK000028-AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eFrame: 177 mm x 223 mm (1\/2 19-inch rack, 4U depth: 201 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePower supply input: \u0026lt;25 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransformer Support\u003c\/td\u003e\n\u003ctd\u003eTraditional CTs\/VTs or voltage sensors; Holmgren or core balance CTs for residual current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Logic\u003c\/td\u003e\n\u003ctd\u003ePhase-isolated line differential, distance backup, overcurrent, and voltage protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripping \u0026amp; Control\u003c\/td\u003e\n\u003ctd\u003eSingle, two, or three-phase tripping, auto-reclosing, synchronism check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Interface\u003c\/td\u003e\n\u003ctd\u003eExtended HMI with 3-color status LEDs, 4 programmable push-buttons, 11 bi-color LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Protocols\u003c\/td\u003e\n\u003ctd\u003eIEC 61850-8-1 (GOOSE), IEC 60870-5-101\/104, Modbus, DNP3 Level 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Interfaces\u003c\/td\u003e\n\u003ctd\u003eEthernet (TX copper, FX fiber), Serial (RS232, RS485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication and Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe internal backplane architecture coordinates data flow between high-density analog acquisition cards, binary I\/O boards, and main processor modules. Data exchange over the internal bus operates at deterministic velocities, allowing real-time execution of phase-isolated differential algorithms with low sub-cycle trip latencies. Native Ethernet channels process IEC 61850 GOOSE messages for peer-to-peer interlocking across switchgear bays. Firmware flash compatibility checks execute automatically during toolchain sessions via web-based parametrization interfaces to ensure safe software updates without corrupting non-volatile configuration memory.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the unit maintain GOOSE messaging speed during heavy network traffic?\u003c\/p\u003e\n\u003cp\u003eA: The onboard communication processor isolates IEC 61850 GOOSE frames using hardware-level VLAN tagging and priority queuing, ensuring protection trip commands process within deterministic real-time windows regardless of SCADA background traffic.\u003c\/p\u003e\n\u003cp\u003eQ: What physical precautions apply when changing setting groups during live line operation?\u003c\/p\u003e\n\u003cp\u003eA: The relay supports six programmable setting groups that transition without requiring a device reboot. However, field personnel must verify that active current and voltage limits match prevailing system loads before toggling groups via binary inputs or front HMI to prevent unwanted trip triggers.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the half-19-inch rack chassis vertically into the cutout of a switchgear panel using standard mounting hardware. Ensure a minimum vertical clearance of 100 mm above and below the enclosure to maintain convective thermal dissipation across the outer metal casing.\u003c\/p\u003e\n\u003cp\u003eEstablish a low-impedance grounding connection by routing a green\/yellow copper conductor (minimum cross-sectional area of 4.0 mm2) from the dedicated grounding terminal on the rear chassis directly to the substation panel grounding busbar. Terminate binary I\/O, serial RS485, and fiber-optic or copper Ethernet cables in separate wire channels away from primary current carrying conductors. Ensure metallic braid shields on field wiring ground at a single panel entry chassis clamp to suppress high-frequency electromagnetic interference. Torque rear chassis earth connections to 1.5 N-m, ensuring at least 5 full threads of engagement.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53118632689976,"sku":"REC650 1MRK000028-AA","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/699..jpg?v=1791594863","url":"https:\/\/www.automodulexpert.com\/products\/rec650-1mrk000028-aa-abb-relion-bay-control-relay","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}