ABB DSSB145 DC Power Supply Unit — Product Description

Overview / Product Summary

The ABB DSSB145 is a high-performance DC power supply designed for Advant Master and S100 I/O systems. It converts incoming voltage into a regulated 5 V DC output, supplying stable power to controllers and I/O modules. Moreover, its compact design and robust construction allow reliable 24/7 operation in industrial environments. Engineers favor this module because it ensures continuous operation in power plants, chemical facilities, steel mills, and manufacturing systems, minimizing downtime.

Technical Specifications

General Information

• Model: DSSB145

• Product ID / Order Number: 48980001-AA

• Type: DC Power Supply Unit

• Condition: Repair / New Replacement

• Country of Origin: Sweden / Germany

Electrical Data

• Input Voltage: 24 V DC

• Output Voltage: 5 V DC (regulated)

• Output Current Capacity: Up to 20 A

• Protection Features: Overload, short-circuit, thermal monitoring

Mechanical & Installation

• Mounting: Rack-mounted, Euro-card format

• Dimensions (H × W × D): ~180 × 120 × 20 mm

• Weight:0.3–0.4 kg

• Protection Class: IP20

System Compatibility

• ABB Advant Master systems

• ABB S100 I/O racks

• Compatible with distributed control system modules

Application Areas

• Process automation

• Power generation plants

• Chemical processing facilities

• Steel mills and heavy manufacturing systems

FAQ

Q1: What type of output does the DSSB145 provide?
It provides regulated 5 V DC output with a maximum current of 20 A.

Q2: Which ABB systems are compatible with this power supply?
It works with ABB Advant Master and S100 I/O distributed control systems.

Q3: Does the module include built-in protection?
Yes. It includes overload, short-circuit, and thermal protection features.

Q4: How is the DSSB145 installed?
The unit is rack-mounted in Euro-card format for easy integration.

Q5: In which industrial environments is the DSSB145 used?
It is widely used in power generation, chemical plants, steel mills, and manufacturing facilities.