{"product_id":"abb-1mrk002246-bb-power-supply-board","title":"ABB 1MRK002246-BB Power Supply Board","description":"\u003cp\u003eThe \u003cstrong\u003eABB 1MRK002246-BB\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1MRK002246-BB\u003c\/strong\u003e Power Supply Board, operates as a dedicated hardware component for auxiliary AC-to-DC power conversion within ABB control and protection platforms.\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\u003e1MRK002246-BB\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.52 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e74 mm x 370 mm x 361 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 to +70 deg C (Standard Industrial Range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSelf-Consuming Power Conversion Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e100-240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003eUp to 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003eUp to 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe power supply board steps down wide-range AC mains inputs (100-240 VAC) to a regulated 24 VDC bus output capable of delivering currents up to 40 A at 90% power conversion efficiency. Maintaining voltage bus stability under fluctuating AC primary power ensures high backplane bus communication velocity and continuous logic execution during maximum I\/O density scaling. Integrated voltage clamping maintains firmware flash compatibility across backplane processors, preventing processor reset cycles caused by line transient dips.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary output power capacity of the 1MRK002246-BB board?\u003c\/p\u003e\n\u003cp\u003eA: The board provides a regulated 24 VDC output supplying continuous current up to 40 A.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 1MRK002246-BB power supply support universal AC mains input ranges?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the onboard conversion circuit accepts an AC input voltage range from 100 VAC to 240 VAC.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate all AC primary mains feeders before mounting or removing the power supply card from the enclosure frame.\u003c\/li\u003e\n\u003cli\u003eEnsure protective earth grounding terminal connections are fully secured to prevent high-voltage transient coupling.\u003c\/li\u003e\n\u003cli\u003eAllow sufficient vertical clearance around chassis cooling vents to permit passive convection heat dissipation during full 40 A load operations.\u003c\/li\u003e\n\u003cli\u003eTorque module terminal screws to specified engineering limits to prevent loose connections under mechanical vibration.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53236571210037,"sku":"1MRK002246-BB","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1MRK002246-BB.png?v=1785484762","url":"https:\/\/www.5gplc.com\/products\/abb-1mrk002246-bb-power-supply-board","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}