{"product_id":"abb-1mrk002239-bbr04-power-supply-module","title":"ABB 1MRK002239-BBr04 Power Supply Module","description":"\u003cp\u003eThe \u003cstrong\u003eABB 1MRK002239-BBr04\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1MRK002239\u003c\/strong\u003e Power Supply Module, operates as a dedicated hardware component for auxiliary DC power conversion and distribution within ABB Relion protection and automation systems.\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\u003e1MRK002239-BBr04\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\u003e0.53 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNo-load power consumption \u0026lt;= 5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003ePower Supply Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e90 to 250 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e2.5 A typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Format\u003c\/td\u003e\n\u003ctd\u003eDIN rail or relay rack installation\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 and Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity:\u003c\/strong\u003e Delivers direct, low-ripple 24 VDC bus power to adjacent protection relays and communication modules, preventing logic supply dropouts during transient backplane communication bursts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling:\u003c\/strong\u003e Supplies centralized DC power across dense relay rack configurations, supporting multiple protection units up to the maximum 2.5 A threshold without external distribution blocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility:\u003c\/strong\u003e Maintains steady output voltage regulation during CPU boot sequences, local firmware flash updates, and diagnostic polling across connected Relion hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1MRK002239-BBr04 power multiple secondary devices within the same chassis? A: Yes, it supplies a nominal 24 VDC output at 2.5 A typical, allowing it to power multiple ABB Relion relays or communication interfaces provided the combined load remains within the rated current limits.\u003c\/p\u003e\n\u003cp\u003eQ: What mounting configurations are supported for physical deployment? A: The module supports direct installation on standard 35 mm DIN rails as well as integrated mounting within ABB protection relay racks.\u003c\/p\u003e\n\u003cp\u003eQ: How does the unit perform under zero-load conditions? A: The internal switching circuitry operates with high efficiency (\u0026gt; 90%), drawing minimal standby power rated at \u0026lt;= 5 W when no external load is attached.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module vertically on a standard 35 mm DIN rail or within a dedicated relay rack frame, maintaining clear top and bottom ventilation paths to facilitate natural thermal convection across the -25 to +70 deg C operating range.\u003c\/li\u003e\n\u003cli\u003eEnsure incoming primary DC power cabling within the 90 to 250 VDC range is connected using correctly sized wire gauges and terminated securely at the power input terminals.\u003c\/li\u003e\n\u003cli\u003eVerify output polarity prior to energizing 24 VDC bus lines connected to sensitive protection and communication modules.\u003c\/li\u003e\n\u003cli\u003eConnect the module frame ground terminal directly to the enclosure's main protective earth (PE) bus to comply with IP20 safety standards and mitigate electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45327839953011,"sku":"1MRK002239-BBr04","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-08-07_11-30-37_67e0cc90-10c1-499d-b3d3-e32687e9ce14.png?v=1786073535","url":"https:\/\/www.dcssupplier.com\/products\/abb-1mrk002239-bbr04-power-supply-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}