{"product_id":"abb-dssr122-advant-master-power-supply-unit","title":"ABB DSSR122 Advant Master Power Supply Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProviding stabilized backplane logic power, the \u003cstrong\u003eABB DSSR122\u003c\/strong\u003e functions as a high-capacity power supply module within the legacy \u003cstrong\u003eAdvant Master\u003c\/strong\u003e (Advant OCS) control system architecture. This module is engineered to accept a primary input range of 18V to 30V DC and convert it into a highly regulated 5V DC output rated at up to 40A. Built to withstand the electrical rigors of heavy industrial processes, the hardware delivers consistent, low-ripple power directly to the rack backplane to ensure continuous operation of processing units and communication interfaces.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Current Output:\u003c\/strong\u003e Delivers continuous 5V DC logic power at 40A to support dense multi-module configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide DC Input Tolerance:\u003c\/strong\u003e Operates reliably across a fluctuating 18V to 30V DC input window, mitigating standard main-line voltage drops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Integration:\u003c\/strong\u003e Native mechanical and electrical compatibility with the ABB Advant Controller rack assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRugged Enclosure:\u003c\/strong\u003e Industrial-grade metal housing designed for effective passive heat dissipation and structural protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eABB Advant Controller 410 (AC410) and Advant Controller 450 (AC450) process control stations.\u003c\/li\u003e\n  \u003cli\u003eCentralized cabinet installations requiring high-amperage 5V DC logic feeds.\u003c\/li\u003e\n  \u003cli\u003eContinuous process industries including paper mills, power generation, and chemical refinement plants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 0.75rem; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 0.75rem; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eABB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eDSSR122\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eControl Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eAdvant Master (Advant OCS)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eProduct Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003ePower Supply Unit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eInput Voltage Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e18 - 30 V DC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOutput Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e5 V DC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOutput Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e40 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eLifecycle Status\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003ePhase-Out \/ Legacy Spare Part\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCommodity Code\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e85044095\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eWeight\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e2.40 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e102 mm x 152 mm x 279 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.25rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe DSSR122 acts as a direct-replacement power assembly. Ensure that physical backplane guides and dynamic sub-rack keying elements are aligned correctly with the unit chassis prior to insertion to prevent guide-pin damage on older OCS backplanes.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.25rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eUnder a full 40A load, backplane contact resistance must be minimized. Oxidation on aging rack connectors can cause high-resistance points, leading to local voltage drops and thermal stress. Clean the backplane contacts with approved non-residue contact cleaners during standard maintenance cycles.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.25rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo accommodate the primary input current draw under peak startup conditions, ensure that the feeding 24V DC cabling is correctly dimensioned to prevent transient voltage sags. Use multi-strand copper conductors with correct ferrule terminations at the terminal block.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate and lock out all primary and secondary DC supply sources before attempting mechanical installation or removal of this unit. High-current arcing hazard exists at the backplane interfaces when mounting under live electrical loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eInspect the card-edge backplane connectors on the DSSR122 for bent contacts, debris, or dust accumulation.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eAlign the module carefully with the sub-rack card guides, pushing the assembly firmly into place until the front locking mechanism is fully engaged.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect the input wires to the designated primary power terminals, verifying correct polarity (18-30V DC input).\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e4\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eEnergize the primary source and measure output logic levels at the terminal monitoring points to verify stable 5V DC delivery.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52701956538731,"sku":"DSSR122","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/dssr122-of0k4ixvyqo_62e5c1b1-7d3a-48a5-bb6c-b46f04b0e38c.jpg?v=1766478092","url":"https:\/\/www.plcprotech.com\/de\/products\/abb-dssr122-advant-master-power-supply-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}