Our Products

Comprehensive industrial automation solutions for global industries

Home / ABB / ABB DSSR122 48990001-NK
Product Categories
Product Categories

Contact us

If you are interested in our products and want to know more details,please Contact us,we will reply you as soon as we can.

ABB DSSR122 48990001-NK DC Input Power Supply
ABB DSSR122 48990001-NK DC Input Power Supply
ABB DSSR122 48990001-NK DC Input Power Supply
ABB DSSR122 48990001-NK DC Input Power Supply
Popular Product

ABB DSSR122 48990001-NK DC Input Power Supply


Manufacturer:ABB

Product Number:DSSR122 48990001-NK

Product Type:DC Input Power Supply

Origin:Sweden

Dimensions:238.5 x 72 x 162mm

Weight:2.35kg

Views:37

Payment Methods:T/T, PayPal, Western Union

Condition:New & In Stock

Warranty:1 Year

Lead Time:1-3 Working Days

Certificate:COO

Courier partners:DHL, UPS, TNT, FedEx and EMS.

Business hours:7*24

Contact Sales

Product Description

The ABB DSSR122 48990001-NK is a DC input power supply module designed for use in ABB INFI 90 and Symphony Distributed Control Systems (DCS). It serves as a reliable and stable source of DC power for critical system modules within process automation environments. The DSSR122 converts a wide-range DC input into regulated power outputs required for system controllers, communication interfaces, and I/O modules, ensuring uninterrupted and safe operation of the DCS infrastructure.

The module is built for industrial-grade environments, offering high efficiency, robust electrical isolation, and protection against transients. With built-in diagnostic LEDs and fault monitoring, it supports efficient maintenance and rapid troubleshooting.

Key Features

  • Wide DC input range, ideal for industrial and substation environments

  • Provides regulated power output to control and I/O modules

  • Designed specifically for ABB INFI 90 and Symphony systems

  • Includes status/fault LED indicators for quick diagnostics

  • High reliability and long service life in 24/7 operations

  • Features electrical isolation and internal protection circuits

  • Designed to fit ABB system backplanes

  • Operates in redundant and non-redundant power configurations

  • Compact form factor suitable for control cabinet mounting

Technical Specifications

Specification Details
Product Type DC Input Power Supply Module
Model Number DSSR122
Part Number 48990001-NK
System Compatibility ABB INFI 90 / Symphony DCS
Input Voltage Range 24–48 VDC
Input Current Depends on load (typically < 5 A)
Output Voltage Regulated 24 VDC (nominal), isolated
Output Current Up to 5 A (load-dependent)
Efficiency >85% (typical)
Isolation Voltage 1500 VDC (input to output)
Cooling Method Convection (no fan)
Status Indicators LEDs for Power OK, Fault, and Operation Status
Protection Features Overvoltage, overcurrent, short-circuit, and thermal shutdown
Hot Swappable Yes, in certain configurations with caution
Operating Temperature 0°C to +60°C
Storage Temperature -40°C to +85°C
Humidity 5% to 95% non-condensing
Dimensions 238.5 x 72 x 162mm
Weight 2.35 kg
Mounting Type Plug-in, chassis-mounted
Compliance CE, UL, CSA, RoHS

Industry Applications

The ABB DSSR122 48990001-NK is designed to provide regulated power to ABB DCS modules and is widely used in critical process and infrastructure environments including:

  • Power Generation – Control of turbines, boilers, and auxiliary equipment

  • Oil & Gas – Platform control systems and refinery automation

  • Water & Wastewater Treatment – Pump and valve control systems

  • Chemical and Petrochemical Plants – DCS backbone power supply

  • Steel and Metals – High-reliability power for heavy-duty automation

  • Utility Substations – DC-powered control systems and switchgear automation

Product Advantages

  • Industrial-grade reliability with stable DC output and fault protection

  • Integrated with ABB DCS infrastructure, ensuring plug-and-play operation

  • Supports mission-critical applications with minimal downtime

  • Compact and modular design, ideal for control cabinets

  • Diagnostic LEDs aid in preventive maintenance

  • Ensures safe operation with built-in isolation and protection

  • Compatible with redundant power supply systems for high availability

  • Field-proven with decades of successful deployment in process industries

Frequently Asked Questions (FAQ)

1. What systems is the DSSR122 compatible with?

It is designed for ABB INFI 90 and Symphony DCS platforms.

2. Can it be used in redundant power configurations?

Yes, it supports parallel or redundant operation, ensuring continuous power.

3. What is the input voltage range?

It accepts 24–48 VDC, suitable for DC power buses in industrial systems.

4. Is it hot-swappable?

Yes, under certain conditions. Follow ABB’s safety guidelines for hot-replacement.

5. Does it have built-in protection?

Yes, it includes overvoltage, overcurrent, and short-circuit protection.

6. How is its status monitored?

LED indicators on the front panel show Power OK, Fault, and Operation.

7. What’s the output current capacity?

It can provide up to 5 A, depending on load and configuration.

8. Can it operate in high-temperature environments?

It’s rated for operation from 0°C to +60°C, suitable for most industrial settings.

9. Is the power supply isolated?

Yes, it offers 1500 VDC isolation between input and output sides.

10. Is it still supported by ABB?

Yes, the DSSR122 is still widely used and supported as part of legacy and active ABB DCS systems.

Popular Product

ABB DSSR122 48990001-NK DC Input Power Supply

Manufacturer:ABB

Product Number:DSSR122 48990001-NK

Product Type:DC Input Power Supply

Origin:Sweden

Dimensions:238.5 x 72 x 162mm

Weight:2.35kg

Views:37

Payment Methods:T/T, PayPal, Western Union

Condition:New & In Stock

Warranty:1 Year

Lead Time:1-3 Working Days

Certificate:COO

Courier partners:DHL, UPS, TNT, FedEx and EMS.

Business hours:7*24

Contact Sales

Product Description

The ABB DSSR122 48990001-NK is a DC input power supply module designed for use in ABB INFI 90 and Symphony Distributed Control Systems (DCS). It serves as a reliable and stable source of DC power for critical system modules within process automation environments. The DSSR122 converts a wide-range DC input into regulated power outputs required for system controllers, communication interfaces, and I/O modules, ensuring uninterrupted and safe operation of the DCS infrastructure.

The module is built for industrial-grade environments, offering high efficiency, robust electrical isolation, and protection against transients. With built-in diagnostic LEDs and fault monitoring, it supports efficient maintenance and rapid troubleshooting.

Key Features

  • Wide DC input range, ideal for industrial and substation environments

  • Provides regulated power output to control and I/O modules

  • Designed specifically for ABB INFI 90 and Symphony systems

  • Includes status/fault LED indicators for quick diagnostics

  • High reliability and long service life in 24/7 operations

  • Features electrical isolation and internal protection circuits

  • Designed to fit ABB system backplanes

  • Operates in redundant and non-redundant power configurations

  • Compact form factor suitable for control cabinet mounting

Technical Specifications

Specification Details
Product Type DC Input Power Supply Module
Model Number DSSR122
Part Number 48990001-NK
System Compatibility ABB INFI 90 / Symphony DCS
Input Voltage Range 24–48 VDC
Input Current Depends on load (typically < 5 A)
Output Voltage Regulated 24 VDC (nominal), isolated
Output Current Up to 5 A (load-dependent)
Efficiency >85% (typical)
Isolation Voltage 1500 VDC (input to output)
Cooling Method Convection (no fan)
Status Indicators LEDs for Power OK, Fault, and Operation Status
Protection Features Overvoltage, overcurrent, short-circuit, and thermal shutdown
Hot Swappable Yes, in certain configurations with caution
Operating Temperature 0°C to +60°C
Storage Temperature -40°C to +85°C
Humidity 5% to 95% non-condensing
Dimensions 238.5 x 72 x 162mm
Weight 2.35 kg
Mounting Type Plug-in, chassis-mounted
Compliance CE, UL, CSA, RoHS

Industry Applications

The ABB DSSR122 48990001-NK is designed to provide regulated power to ABB DCS modules and is widely used in critical process and infrastructure environments including:

  • Power Generation – Control of turbines, boilers, and auxiliary equipment

  • Oil & Gas – Platform control systems and refinery automation

  • Water & Wastewater Treatment – Pump and valve control systems

  • Chemical and Petrochemical Plants – DCS backbone power supply

  • Steel and Metals – High-reliability power for heavy-duty automation

  • Utility Substations – DC-powered control systems and switchgear automation

Product Advantages

  • Industrial-grade reliability with stable DC output and fault protection

  • Integrated with ABB DCS infrastructure, ensuring plug-and-play operation

  • Supports mission-critical applications with minimal downtime

  • Compact and modular design, ideal for control cabinets

  • Diagnostic LEDs aid in preventive maintenance

  • Ensures safe operation with built-in isolation and protection

  • Compatible with redundant power supply systems for high availability

  • Field-proven with decades of successful deployment in process industries

Frequently Asked Questions (FAQ)

1. What systems is the DSSR122 compatible with?

It is designed for ABB INFI 90 and Symphony DCS platforms.

2. Can it be used in redundant power configurations?

Yes, it supports parallel or redundant operation, ensuring continuous power.

3. What is the input voltage range?

It accepts 24–48 VDC, suitable for DC power buses in industrial systems.

4. Is it hot-swappable?

Yes, under certain conditions. Follow ABB’s safety guidelines for hot-replacement.

5. Does it have built-in protection?

Yes, it includes overvoltage, overcurrent, and short-circuit protection.

6. How is its status monitored?

LED indicators on the front panel show Power OK, Fault, and Operation.

7. What’s the output current capacity?

It can provide up to 5 A, depending on load and configuration.

8. Can it operate in high-temperature environments?

It’s rated for operation from 0°C to +60°C, suitable for most industrial settings.

9. Is the power supply isolated?

Yes, it offers 1500 VDC isolation between input and output sides.

10. Is it still supported by ABB?

Yes, the DSSR122 is still widely used and supported as part of legacy and active ABB DCS systems.

Related Products

Need a Custom Automation Solution?

Our team of experts can design and implement a tailored automation system to meet your specific requirements.