{"product_id":"abb-dssr-122-dssr1229k-4899-0001-nk-advant-master-dc-dc-power-supply-unit","title":"ABB DSSR 122 DSSR1229K 4899 0001-NK Advant Master DC\/DC Power Supply Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe ABB DSSR 122 (ordering number 4899 0001-NK \/ DSSR1229K) is an industrial DC\/DC power regulator module designed for the ABB Advant OCS and Advant Master process control systems. It operates as a dedicated subrack power supply that converts an unregulated or battery-backed 24 VDC bus into a regulated 5 VDC logic supply delivering up to 40 A of continuous current.\u003c\/p\u003e\n\u003cp\u003eEngineered for installation in Advant Controller subracks—including AC410, AC450, and DSRF 197 subrack chassis—the DSSR 122 provides low-noise logic power to central processing units, bus communication modules, and internal subrack backplanes. The unit accommodates an input operating window of 18 to 30 VDC with a maximum input power rating of 280 W, ensuring uninterrupted power conversion during plant DC distribution fluctuations.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWide DC input voltage operating range of 18 to 30 VDC (24 VDC nominal)\u003c\/li\u003e\n  \u003cli\u003eRegulated 5 VDC output supporting continuous load currents from 1 A to 40 A (200 W nominal output)\u003c\/li\u003e\n  \u003cli\u003e280 W maximum rated input power capacity\u003c\/li\u003e\n  \u003cli\u003eField-replaceable internal 20 A protection fuse (ABB part number 5672827-20)\u003c\/li\u003e\n  \u003cli\u003eSubrack-slide form factor designed for direct backplane mating in Advant Master chassis\u003c\/li\u003e\n  \u003cli\u003eOperating ambient temperature range of -5 degC to +55 degC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect backplane 5 VDC logic power supply for ABB Advant Controller AC410 and AC450 racks\u003c\/li\u003e\n  \u003cli\u003eSubrack power regulation in ABB DSRF 197K01 I\/O chassis assemblies\u003c\/li\u003e\n  \u003cli\u003eInternal DC power distribution for Advant Master communication gateway assemblies (such as AC410A14)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eABB\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel Designation\u003c\/td\u003e\n      \u003ctd\u003eDSSR 122 (DSSR122 \/ DSSR1229K)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct ID \/ Article Number\u003c\/td\u003e\n      \u003ctd\u003e4899 0001-NK (Exchange Number: EXC48990001-NK)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModule Type\u003c\/td\u003e\n      \u003ctd\u003eDC\/DC Regulator Power Supply Unit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eControl System Architecture\u003c\/td\u003e\n      \u003ctd\u003eABB Advant OCS \/ Advant Master\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n      \u003ctd\u003e24 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n      \u003ctd\u003e18 to 30 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInput Power Capacity\u003c\/td\u003e\n      \u003ctd\u003e280 W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOutput Voltage\u003c\/td\u003e\n      \u003ctd\u003e5 VDC (regulated)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOutput Current Rating\u003c\/td\u003e\n      \u003ctd\u003e40 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLoad Range\u003c\/td\u003e\n      \u003ctd\u003e1 to 40 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInternal Spare Fuse\u003c\/td\u003e\n      \u003ctd\u003e20 A (P\/N 5672827-20)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n      \u003ctd\u003e-5 degC to +55 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n      \u003ctd\u003e72.0 x 162.0 x 238.5 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNet Weight\u003c\/td\u003e\n      \u003ctd\u003e2.35 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCountry of Origin\u003c\/td\u003e\n      \u003ctd\u003eSweden\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52668525216107,"sku":"DSSR 122","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/abb-dssr-122-dssr1229k-4899-0001-nk-rack-power-supply-bjk0i2xm5jt_1b93c67b-385f-41fc-9a56-17665a77bf29.jpg?v=1765532770","url":"https:\/\/www.plcprotech.com\/products\/abb-dssr-122-dssr1229k-4899-0001-nk-advant-master-dc-dc-power-supply-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}