{"product_id":"abb-master-dssr122-dssr1229k-4899-0001-nk-dssr-122-rack-power-supply","title":"ABB DSSR122 48990001-NK Rack Power Supply Unit","description":"\u003cp\u003eThe ABB DSSR122 (Order Code 48990001-NK) is a specialized rack-mounted power supply unit designed for industrial control environments. This unit is engineered to provide stable DC power conversion, supporting DC input ranges and delivering a regulated DC output suitable for critical automation hardware.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for integration into ABB Master series rack systems.\u003c\/li\u003e\n\u003cli\u003eRobust power conversion for DC-input to DC-output applications.\u003c\/li\u003e\n\u003cli\u003eHigh-current output capacity for demanding control modules.\u003c\/li\u003e\n\u003cli\u003eCompact rack-mount form factor for efficient cabinet space utilization.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003eDSSR122 \/ 48990001-NK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e18-30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e280 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the power supply is installed in a well-ventilated rack environment to maintain optimal operating temperatures.\u003c\/li\u003e\n\u003cli\u003eVerify that the DC input voltage is within the specified 18-30 V range before applying power.\u003c\/li\u003e\n\u003cli\u003eAlways disconnect the primary power source before inserting or removing the module from the rack to prevent electrical arcing or damage to the backplane connectors.\u003c\/li\u003e\n\u003cli\u003eEnsure proper grounding of the rack chassis to mitigate electromagnetic interference (EMI) and protect sensitive electronic components.\u003c\/li\u003e\n\u003cli\u003eCheck all terminal connections for tightness to prevent heat buildup due to high-current resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this power supply still in active production?\u003c\/strong\u003e No, this unit has been discontinued by the manufacturer. We provide these units as refurbished or surplus spare parts to support legacy systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary application for the DSSR122?\u003c\/strong\u003e This unit is primarily used as a rack power supply within ABB Master control systems, providing regulated 5V DC power to I\/O and controller modules.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":51178306011388,"sku":"DSSR122 DSSR1229K 4899 0001-NK","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_619624b3-7dfd-4c5c-9c03-9be5186b17ff.jpg?v=1788109262","url":"https:\/\/www.electronicplc.com\/ar\/products\/abb-master-dssr122-dssr1229k-4899-0001-nk-dssr-122-rack-power-supply","provider":"Electronic PLC","version":"1.0","type":"link"}