TheDSSR 122 StepUp (48990001-NK)is a heavy-duty, regulated Step-Up Power Supply Module engineered and manufactured by ABB as an essential power distribution component for the Advant Master DCS and MasterPiece automated architectures.
Technical Specifications
Manufacturer: ABB
Product Line / System: Advant Master DCS / MasterPiece Control Enclosures
Model Designation:DSSR 122 StepUp(Upgraded engineering path from DSSR 120 / DSSR 121)
ABB Part Number / Product ID:48990001-NK
Device Classification: Power_Supply / Exchange Power Module
Minimum Order Quantity: 1 piece
Primary Distribution Warehouses: Wickliffe, Ohio, United States / Global logistics hubs
Customs Tariff Number / Class: 85043180
WEEE Disposal Category: 5. Small Equipment (No external dimension greater than 50 cm)
Total Gross Volume: 2.782 dm³
Product Net / Gross Weight: 2.43 Kg
Product Mechanical Dimensions: 162 mm W x 72 mm H x 238.5 mm L
Package Dimensions (Level 1): 162 mm W x 72 mm H x 238.5 mm L (1 piece per carton)
Countries of Origin: United States / Sweden
Industrial Application Scenarios
TheDSSR 122 (48990001-NK)power supply is securely integrated into floor-standing processing cabinets and centralized control racks across heavy-duty, 24/7 industrial infrastructure—such as paper manufacturing plants, petrochemical refineries, chemical compounding blocks, and utility power stations. In these harsh environments, electronic components require flawless, continuous voltage to run their calculations. This module filters and steps up fluctuating auxiliary bus power inputs, neutralizing electrical interference caused by surrounding high-voltage machinery and protecting critical processors from sudden trips.
