{"product_id":"abb-dssr-170-48990001-pc-power-supply-unit","title":"ABB DSSR 170 48990001-PC Power Supply Unit","description":"\u003cp\u003eConfigured for internal DC voltage regulation and bus power conversion in ABB Advant Master subracks, the \u003cstrong\u003eABB DSSR 170 48990001-PCC\u003c\/strong\u003e (\u003cstrong\u003eDSSR 170\u003c\/strong\u003e Power Supply Modules) provides direct physical\/electrical execution.\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\u003eDSSR 170\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrder Code\u003c\/td\u003e\n\u003ctd\u003e48990001-PCC\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePower Supply Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\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\u003c\/td\u003e\n\u003ctd\u003e10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Fuse\u003c\/td\u003e\n\u003ctd\u003e5 A (Part Number 56722011-21)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e234 mm x 54 mm x 108 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eInternal conversion loss profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWEEE Category\u003c\/td\u003e\n\u003ctd\u003e5. Small Equipment (No External Dimension More Than 50 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication \u0026amp; I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe ABB DSSR 170 power supply module steps down 24 VDC input power to deliver a stabilized 5 VDC, 10 A logic supply directly across the backplane bus. Maintaining regulated power rails prevents voltage drop issues during high-density I\/O card population. Integrated backplane interfaces ensure firmware flash compatibility and status reporting across host controller diagnostics.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What primary voltage conversion does the DSSR 170 unit perform?\u003c\/p\u003e\n\u003cp\u003eA: The DSSR 170 accepts a 24 VDC input supply and converts it to a regulated 5 VDC output at up to 10 A to energize backplane logic components.\u003c\/p\u003e\n\u003cp\u003eQ: Can the DSSR 170 power supply module be extracted while primary DC power is applied?\u003c\/p\u003e\n\u003cp\u003eA: Main 24 VDC input power must be switched off prior to inserting or removing the unit to prevent arc discharge across backplane connectors and logic corruption.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eIsolate primary 24 VDC power before inserting the DSSR 170 power supply module into the chassis rack.\u003c\/li\u003e\n\u003cli\u003eAlign module guides with the subrack rails and slide in until the rear power plug engages completely with the backplane.\u003c\/li\u003e\n\u003cli\u003eFasten faceplate locking screws to ensure solid chassis grounding and structural stability under operational vibration.\u003c\/li\u003e\n\u003cli\u003eVerify that the internal 5 A protection fuse (56722011-21) is seated correctly before energizing the module.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate convection air flow above and below the module assembly inside the enclosure.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53221707612469,"sku":"DSSR 170 48990001-PC","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/DSSR17048990001-PC.png?v=1785217226","url":"https:\/\/www.5gplc.com\/products\/abb-dssr-170-48990001-pc-power-supply-unit","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}