



The ABB SDCS-POW-4 Power Supply Module is a core auxiliary power board designed for ABB DCS800 DC drive systems. It acts as the primary energy distribution component that provides stable internal power to the drive’s control electronics and connected interface boards.
Installed on the electronic tray of DCS800 converter modules (typically frame sizes D5–D7), the SDCS-POW-4 generates multiple regulated DC voltages required by the control board and other electronic modules. These auxiliary voltages support the operation of control processors, communication interfaces, encoder circuits, and monitoring electronics within the drive architecture.
The module automatically detects the auxiliary supply voltage and adapts to either 115 VAC or 230 VAC input, ensuring compatibility with different industrial power environments. Its switched-mode power design delivers reliable and efficient voltage conversion while protecting critical drive electronics from fluctuations or electrical disturbances.
With industrial-grade durability and stable output performance, the SDCS-POW-4 plays a vital role in maintaining reliable operation of high-power DC drive systems used across heavy industry.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SDCS-POW-4 |
| Manufacturer | ABB |
| Module Type | Power Supply Module |
| System Compatibility | ABB DCS800 DC Drive Systems |
| Input Voltage | 115 / 230 V AC (auto-detection) |
| Output Voltages | 5 V, 12 V, 15 V, 24 V, 48 V DC auxiliary outputs |
| Maximum Output Power | Up to 4 kW |
| Output Current | Up to 166.7 A (24 V DC) |
| Efficiency | ≥ 90% |
| Cooling Method | Forced air cooling |
| Protection Functions | Overvoltage, overcurrent, short-circuit protection |
| Operating Temperature | 0°C to +45°C |
| Storage Temperature | −25°C to +70°C |
| Relative Humidity | 5% – 95% non-condensing |
| Installation | Mounted on electronic tray inside DCS800 drive |
| Dimensions (L × W × H) | 230 × 110 × 34 mm |
| Weight | 0.35 kg |
The module generates all necessary DC supply voltages for the SDCS-CON-4 control board and other electronic modules within the drive system.
Recommended Related Models
These modules are commonly used together with the SDCS-POW-4 in ABB DC drive systems.
| Model | Description |
|---|---|
| SDCS-CON-4 | Main drive control board |
| SDCS-COM-8 | Communication interface module |
| SDCS-DSL-4 | DCSLink interface board |
| SDCS-IOB-3 | I/O expansion board |
| SDCS-PIN-51 | Signal interface module |
These components form a complete ABB SDCS control architecture for DC motor drive applications.
Popular ABB Models
The following ABB automation modules are widely used in industrial control and process automation systems.
| Model | Module Type |
|---|---|
| PM590-ETH | PLC CPU Controller |
| CI840A | Communication Interface Module |
| AI830A | Analog Input Module |
| SB822 | Redundant Power Supply Module |
| PP865A | Industrial Operator Panel |
These products are commonly deployed in modern industrial automation systems requiring high reliability and precise control.