ABB DSSR 122 StepUp Power Supply Module

Product Description

The ABB DSSR 122 (Commercial Part Number: 48990001-NK) is a highly reliable industrial Step-Up Power Supply Module developed for the ABB MasterPiece 200 and Advant OCS controller families. This heavy-duty power component is engineered as an official upgrade and drop-in exchange module to replace obsolete DSSR 120 and DSSR 121 power units. 

Technical Specifications

• Manufacturer: ABB

• Type Designation: DSSR 122 StepUp

• Manufacturer Part Number: 48990001-NK

• Product Type: Power Supply Unit / Power Module

• System Family Compatibility: ABB MasterPiece 200, Advant Fieldbus, and Advant OCS Systems

• Migration and Upgrade Path: Direct factory Step-Up replacement for legacy DSSR 120 and DSSR 121 modules

• Lifecycle Service Class: Exchange Part (Requires the return of the core replaced unit under standard RMA Terms and Conditions to avoid surcharge penalties)

• Customs Commodity Tariff Code: 85043180 (Electrical transformers, static converters, and inductors)

• Minimum Order Quantity / Multiple: 1 piece

• Warehousing Stock Locations: Wickliffe, Ohio, United States and Sweden

• Environmental Lifecycle Metric: WEEE Category 5 Compliant (Small equipment with zero external dimensions exceeding 50 cm)

• Net Hardware Dimensions: 162 mm (Width) x 72 mm (Height) x 238.5 mm (Depth/Length)

• Gross Volumetric Footprint: 2.782 cubic decimeters (dm³)

• Net Unit Weight: 2.43 kg (5.36 lbs)

• Total Gross Package Weight: 2.43 kg (Includes standardized, anti-static shock-insulated boxing)

Industrial Application Scenarios

The ABB DSSR 122 Step-Up power module is installed within the primary rack chassis of large-scale legacy distributed control systems (DCS) operating in critical infrastructure sectors, including nuclear power plants, municipal water grids, steel rolling mills, and pulp and paper production centers.