Introduction

The ABB DSSR 122 48990001-NK Power Supply Unit delivers reliable, continuous power to ABB automation and robotic systems. Designed for industrial environments, it provides stable output, compact design, and seamless integration with ABB modules. Built for durability and efficiency, this power supply unit ensures uninterrupted operations in critical applications, supporting both new installations and modular expansions.

Technical Specifications

Specification	Detail
Model	DSSR 122
Part Number	48990001-NK
Module Type	Power Supply Unit
Input Voltage	100–240 V AC
Output Voltage	24 V DC
Mounting	DIN rail or panel
Operating Temperature	−20°C to 60°C
Dimensions	238.5 x 72 x 162 mm
Weight	2.35 kg

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Applications

Industrial automation systems requiring stable power delivery.
Robotics and PLC networks for production line control.
Backup and redundant power supply solutions for critical infrastructure.
Integration into ABB modular automation platforms.
Industrial environments demanding reliable, continuous power.

Advantages

High Reliability: Provides consistent voltage and current for industrial equipment.
Robust Construction: Built to withstand vibration, temperature fluctuations, and electrical noise.
Seamless Integration: Compatible with ABB controllers, drives, and I/O modules.
Reduced Downtime: Long operational life and stable performance minimize maintenance.
Easy Monitoring: Status indicators simplify troubleshooting and system checks.

Technical FAQs

What is the input voltage range?
100–240 V AC, suitable for global industrial standards.
What output voltage does it provide?
24 V DC nominal for standard ABB modules.
Can it handle continuous heavy loads?
Yes, designed for long-term industrial operation.
Is it hot-swappable?
No, powering down is required for safe replacement.
What is the environmental operating range?
Temperature: −20°C to 60°C, Humidity: 5–95% non-condensing.
How is it mounted?
DIN rail or panel mounting for flexible installation.
Does it provide diagnostic feedback?
Yes, LED indicators for power status and fault alerts.
Is it compatible with older ABB systems?
Yes, fully compatible with legacy ABB automation modules.
What is the weight of the module?
2.35 kg, compact yet sturdy for industrial use.
Which safety certifications does it meet?
IEC 60950-1 and CE certified for industrial power supply safety.