{"product_id":"power-supply-module-1mrk002239-bbr01-abb-bay-control-system-sr91c790","title":"Power Supply Module 1MRK002239-BBR01 ABB Bay Control System SR91C790","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe ABB SR91C790,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ecataloged under order number 1MRK002239-BBR01,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eis a high-integrity power regulation module engineered specifically for the Bay Control System architecture.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis module serves as the primary energy conversion point for Distributed Control System (DCS) racks,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003etransforming source voltage into the stabilized DC rails required for sensitive logic processing and I\/O communication.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for high-availability environments,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe SR91C790 features advanced semiconductor stabilization to ensure that fluctuations in the external grid do not compromise the integrity of the protection and control logic.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts slim form factor is optimized for modern high-density cabinets where thermal management and space efficiency are critical requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eHardware Performance and Physical Parameters\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eManufacturer\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eABB\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModel Designation\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSR91C790\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOrder Reference\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e1MRK002239-BBR01\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModule Type\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSwitch-mode Power Supply\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eMass \/ Weight\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e0.\u003c\/span\u003e\u003cspan class=\"\"\u003e36kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eExternal Dimensions\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e23.\u003c\/span\u003e\u003cspan class=\"\"\u003e2cm x 17.\u003c\/span\u003e\u003cspan class=\"\"\u003e2cm x 1.\u003c\/span\u003e\u003cspan class=\"\"\u003e6cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eProtection Circuitry\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated Overcurrent and Precise Voltage Regulation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOrigin\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSweden\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSystem Environment\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBay Control System \/ DCS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eNetwork Integration\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSupport for Ethernet Router Interfaces\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eLifecycle Status\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eActive \/ Fully Supported\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003eIndustrial Deployment and Sector Use Cases\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe 1MRK002239-BBR01 is widely utilized in utility-grade power automation and industrial substations.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts primary role is to provide uninterrupted power to Bay Control units,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eensuring that circuit breaker management and protection relays remain operational under all grid conditions.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBecause it is built to Swedish manufacturing standards,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eit is frequently deployed in extreme environments,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eranging from high-temperature manufacturing floors to unheated substation kiosks.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts ability to interface with Ethernet-based DCS networks allows it to provide real-time diagnostic feedback regarding the health of the power rail,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003emaking it an essential component for predictive maintenance strategies in automated energy networks.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: Is the SR91C790 compatible with all 1MRK series backplanes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe SR91C790 is specifically tailored for the 1MRK002239-BBR01 revision.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eYou should verify that your existing rack and power requirements align with the BBR01 technical specifications to ensure seamless physical and electrical integration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: What is the primary benefit of the semiconductor technology used in this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe advanced semiconductors provide faster switching frequencies and tighter voltage tolerances,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewhich results in lower heat dissipation and a significantly longer MTBF compared to legacy linear power units.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: Can this power module be used as a redundant power source?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eYes,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ein many Bay Control configurations,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003etwo SR91C790 modules can be wired in parallel (through appropriate diode or auctioneering logic) to provide a high-availability failsafe power solution.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: Does the module require manual calibration for voltage output?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eNo,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 1MRK002239-BBR01 is factory-calibrated for precision output.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIt features self-correcting logic that adjusts for load variations automatically during operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: What safety certifications does this ABB module carry?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis module is compliant with major international standards for industrial control equipment,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eincluding CE and relevant IEC standards for substation environment electromagnetic compatibility.\u003c\/span\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45518967963821,"sku":"1MRK002239-BBR01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/abb-sr91c790-1mrk002239-bbr01-power-supply-module-prssna0mn4d.jpg?v=1766983330","url":"https:\/\/www.maxwellplc.com\/products\/power-supply-module-1mrk002239-bbr01-abb-bay-control-system-sr91c790","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}