Product Description

The ABB DSSR122 (part number 48990001-NK) is a DC-to-DC power supply unit designed for industrial automation systems. Frequently referred to as DSSR 122, this module provides a stable, regulated 5 VDC output from a 24 VDC input, ensuring reliable power delivery to critical components.

It is widely used within the ABB Advant Master Process Control System, where stable low-voltage power is essential for the continuous operation of control modules and system electronics. With its robust design and DIN rail mounting, the DSSR122 is well-suited for demanding industrial environments, offering high reliability and ease of integration.

Technical Specifications

• Manufacturer: ABB

• Model: DSSR122

• Part Number: 48990001-N

• Category: Power Supply Unit (PSU)

• Input Voltage: 24 VDC

• Output Voltage: 5 VDC (regulated)

• Max. Output Current: 40 A

• Dimensions (H × W × D): 72 × 162 × 238.5 mm

• Weight: 2.35 kg (5.18 lbs)

• Operating Temperature: -5 to +55 °C

• Mounting: DIN rail mount

• Compatibility: ABB Advant Master Process Control Systems