{"product_id":"abb-ret670-1mrk002246-bd-protection-relays-module","title":"ABB RET670 1MRK002246-BD Protection Relays Module","description":"\u003cp\u003eThe \u003cstrong\u003eABB RET670 1MRK002246-BD\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eRET670\u003c\/strong\u003e Protection Module, operates as a dedicated hardware component for high-speed differential protection and switchgear control of power transformers and shunt reactors.\u003c\/p\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\u003eRET670 1MRK002246-BD\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\u003e8.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Relion 670 Series IED Footprint\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\u003e30 W (Nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration Type\u003c\/td\u003e\n\u003ctd\u003eCustomized variant (1MRK002246-BD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Scope\u003c\/td\u003e\n\u003ctd\u003ePower transformers, autotransformers, and shunt reactors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDifferential Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 2 independent differential protection functions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCT Requirements\u003c\/td\u003e\n\u003ctd\u003eSoftware-based compensation (no interposing CTs required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Logic\u003c\/td\u003e\n\u003ctd\u003eStation-wide and bay-level interlocking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eNative IEC 61850 protocol integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control \u0026amp; Backplane Communication Properties\u003c\/h3\u003e\n\u003cp\u003eAs a specialized Intelligent Electronic Device (IED) within ABB Relion 670 platforms, the RET670 1MRK002246-BD provides real-time processing and grid integration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet \/ EtherNet\/IP Deterministic Networks:\u003c\/strong\u003e Communicates across substation Ethernet architectures using native IEC 61850 implementations to transfer high-speed interlocking signals and SCADA telemetry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity:\u003c\/strong\u003e Internal digital processing bus tracks system frequency shifts across wide-band operational ranges to maintain high-speed differential algorithm accuracy during transformer start-up and shutdown events.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility:\u003c\/strong\u003e Internal flash memory supports flexible logic and I\/O adaptability, maintaining custom control routines and harmonic restraint profiles across system firmware updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Are external interposing current transformers (CTs) required for phase-angle and ratio matching on the RET670 1MRK002246-BD?\u003c\/p\u003e\n\u003cp\u003eA: No, the RET670 utilizes software-based compensation to eliminate the need for interposing CTs while maintaining low requirements on main CTs.\u003c\/p\u003e\n\u003cp\u003eQ: How many differential protection functions can a single RET670 IED host simultaneously?\u003c\/p\u003e\n\u003cp\u003eA: The device can host two independent differential protection functions within a single unit to support multi-winding transformer schemes.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eProper mechanical and electrical installation practices ensure protection stability during transformer energization and switching operations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel Mounting and Earth Grounding:\u003c\/strong\u003e Mount the IED in a standard 19-inch panel rack cutout. Connect a dedicated copper grounding strap from the chassis frame ground stud directly to the substation earth ground bar to eliminate high-frequency noise coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCT\/VT Terminal Connections:\u003c\/strong\u003e Secure all incoming current transformer secondary leads to the rear compression terminals. Ensure CT shorting switches are in place and verified prior to performing maintenance on the device logic modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication and I\/O Cabling:\u003c\/strong\u003e Connect shielded Ethernet cables for IEC 61850 communication. Separate low-voltage I\/O wiring for bay control and interlocking from high-voltage primary control circuits to prevent induced surge interference.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45303677976691,"sku":"RET670 1MRK002246-BD","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-08_11-36-49_df5e44b6-d96f-4863-b9e4-474cb8ec5aac.png?v=1785831827","url":"https:\/\/www.dcssupplier.com\/products\/abb-ret670-1mrk002246-bd-protection-relays-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}