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ABB DSSR122 48990001-NK DC power supply stabilizer unit
| Brand: ABB |
| Item NO: DSSR122,48990001‑NK |
| Effect: ABB Advant Controller 450 System Rack Specific DC Power Supply Stabilization Unit |
| Condition: In stock, brand new/Used |
| Warranty: 365 days |
| Payment:T/T 50% deposit, 50% balance |
| www.szcxdcs.com |
+86 15359298293
ABB DSSR122 48990001-NK DC power supply stabilizer unit
DSSR122 48990001-NK is a DC power stabilizer unit used in ABB Advant Controller 450 system racks. The module inputs 24V DC and outputs 5V DC with stable voltage. DSSR122 provides core rack power supply for the CPU, communication board, and various I/O cards in the AC450 rack, ensuring the stable operation of the entire DCS controller; DSSR122 is equipped with overcurrent and overvoltage protection, fault status alarm, and is the power supply core component of Advant OCS control system rack

Product features
- Rack plug-in card structure, directly inserted into the AC450 controller cabinet, providing 5V high-power regulated power supply for the entire rack card components.
- Integrate multiple protections for overvoltage, overcurrent, and short circuit, cut off the output and light up the fault indicator light in case of a fault, and protect other cards in the rack.
- High power output capability, with a maximum output of 40A, capable of supporting full capacity multi card rack loads.
- Industrial grade hardware design, wide temperature operation, anti electromagnetic interference, suitable for strong interference control cabinet environments in power plants and chemical industries.
- Equipped with a status LED indicator light, it intuitively displays the power operation and fault status, making it easy to troubleshoot on site.
ABB DSSR122 48990001-NK DC power supply stabilizer unit
Core service capability
- Replacement of discontinued parts: Provide original factory compatible or verified replacement solutions for discontinued or obsolete models to reduce system upgrade and renovation costs
- Quick response supply: sufficient inventory of commonly used spare parts, priority response to urgent inquiries, and shortened downtime
- Full chain quality assurance: strict procurement channel management and quality inspection, traceability of key components
- One stop system matching: covering the integrated procurement needs of system level spare parts from control modules to drive devices
Main product range
| Category | Product Details |
|---|---|
| Control Systems (DCS/PLC/CNC) | Panel Controllers, HMI Interfaces, Industrial PCs, CPU Processor Modules, Communication Modules, Analog/Digital I/O Modules |
| Drives & Motion Control | Variable Frequency Drives, Servo Drives, Servo Motors, Power Supply Modules |
| Robot Spare Parts | Robot Control Boards, Axis Computers, Servo Units, I/O Modules and other critical spare parts |
| Condition Monitoring & Safety Systems | Vibration Monitoring Systems, Safety Instrumented Systems (SIS), Redundant Control Systems |


ABB DSSR122 48990001-NK DC power supply stabilizer unit
Main brand
| No. | Brand | Country/Region | Main Product Lines | Typical Series/Models |
|---|---|---|---|---|
| 1 | ABB | Switzerland | PLC/DCS Controllers, I/O Modules, Robot Spare Parts, Drive Systems | AC800M, AC800F, AC31, 800xA, Bailey INFI 90, DSQC, Advant OCS, H&B Freelance |
| 2 | Bently Nevada | USA | Condition Monitoring Systems, Vibration Sensors, Eddy Current Probes | 3500/3300 Monitoring System, Eddy Current Probes, Proximitors |
| 3 | TRICONEX | USA | Safety Instrumented Systems (SIS), TMR Redundant Controllers | Tricon System Modules, Communication Modules, I/O Modules |
| 4 | Woodward | USA | Steam/Gas Turbine Control, Speed Governing Systems, Actuators | 505 Governor, ProTech, MicroNet, NetCon |
| 5 | FOXBORO | USA | DCS Systems, I/A Series Control Modules | I/A Series, FBM Modules, Controllers |
| 6 | WESTINGHOUSE | USA | DCS Systems, Ovation Controllers & Modules | Ovation System, WDPF Series |
| 7 | Motorola | USA | Industrial Communication Modules, Embedded Control Modules | MVME Series, VME Bus Modules |
| 8 | GE / GE Fanuc | USA | PLC, Excitation System Modules, CPU/Communication/Analog Modules | IS200/DS200, IC693/IC695/IC697/IC698/IC200/IC660/IC670 |
| 9 | YOKOGAWA | Japan | DCS Systems, CPU Modules, I/O Cards | CENTUM CS3000, CS1000, VP Series |
| 10 | HIMA | Germany | Safety Control Systems, SIL Safety Modules | H41q/H51q, HIMax, HIMatrix |
| 11 | EMERSON | USA | DCS Systems, Redundant Controllers, Safety Systems | Ovation, DeltaV Dual-Channel Redundant Safety Systems |
| 12 | Honeywell | USA | DCS Systems, Process Control Modules | Experion PKS/LS/HS, Plant Scape, TDC2000/3000, TPS, Alcont |
| 13 | ICS TRIPLEX | UK | Trusted Safety Control Systems, TMR Modules | Trusted System, T8000 Series |
| 14 | Kollmorgen | USA | Servo Drives, Servo Motors, Motion Control | S700, S300, AKD Series |
| 15 | PROSOFT | USA | Industrial Communication Modules, Protocol Gateways | MVI69, MVI56, MVI94, MVI71, MVI46, PS69, 3150 |
| 16 | Alstom | France | Power Control, Protection Relays, Control Systems | GEC ALSTHOM, Protection and Control Modules |
| 17 | EATON | USA | Electrical Control, PLC, Power Supplies, Circuit Breakers | XC/XN Series PLC, Moeller Series, Power Supply Modules |
| 18 | Allen-Bradley (Rockwell) | USA | PLC Controllers, I/O Modules, Communication Modules | ControlLogix 1756, CompactLogix 1769, SLC 500 1747/1746, PLC-5 1771/1785 |
| 19 | Schneider | France | PLC, Modicon Series, CPU/Communication Modules | Quantum 140, Modicon M340, Modicon Premium |
————————Shenzhen Changxin Automation Equipment Co Ltd -————————
Products that have been released are welcome for consultation. Due to the wide variety of models, we were unable to upload physical images one by one!
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Parameter Specifications
| Specification | Details |
|---|---|
| Model | DSSR122,48990001‑NK |
| Manufacturer | ABB |
| Product Type | Rack Power Supply Regulator Unit |
| Input Voltage | 24 V DC |
| Output Voltage | 5 V DC |
| Output Current | 40 A Max |
| Protection | Over‑voltage, Over‑current, Short‑circuit protection |
| Operating Temperature | -20 ℃ ~ +70 ℃ |
| Storage Temperature | -40 ℃ ~ +85 ℃ |
| Protection Class | IP20 |
| Mounting | Rack plug‑in module |
| Dimension | 238.5 mm × 162 mm ×72 mm |
| Weight | Approx.2.43 kg |
| Compatible System | Advant Controller 450 / Advant OCS |












