Selecting Line Reactors and Output Filters for VFDs
Learn how line reactors, harmonic filters, output reactors, dV/dt filters, and sine filters address different VFD power-quality and motor-cable problems—and how to select them safely.
Manufacturer: ABB
Product No.: SDCS-POW-4
Country of origin:China
Product Type: Power Supply
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 386g
Dimensions: 23 cm x 11 cm x 3.4 cm
Shipping port: Xiamen
Warranty: 12 months
The SDCS-POW-4 functions as a dedicated internal auxiliary power supply module engineered for large-scale industrial industrial DC drives. Mounted within the electronics tray assembly, this power supply board converts incoming line potentials to distribute all necessary isolated auxiliary operating voltages across the main controller framework and connected peripheral option modules.
The module incorporates an advanced multi-channel design to isolate high-power switching disturbances from delicate logic circuits, preventing harmonic interference from degrading drive feedback processing loops. It features dedicated power distribution pathways for fan execution infrastructure, alongside hardwired interface layers like integrated digital relay outputs and motor thermal protection (PTC) sensor loops to guarantee stable hardware diagnostics under highly volatile industrial torque loads.
For more detailed technical specifications, wiring information, and performance data, please refer to the official datasheet below:
https://cdn.shopify.com/s/files/1/0953/3227/0443/files/SDCS-POW-4.pdf?v=1781437276
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model Designation | SDCS-POW-4 |
| Device Classification | Power Supply Board |
| Compatible Drive Series | DCS800 |
| Compatible Frame Sizes | D5, D6, D7 |
| Mounting Location | Electronic Tray Assembly |
| Integrated I/O Channels | 1x Relay Output (DO8), 1x PTC Input Loop |
| Part Type Status | New |
| Connector / Interface Code | Function Description |
|---|---|
| X137 | Incoming Auxiliary Supply Voltage Input Terminal |
| X37 | Main Line Voltage Potential Sensing and Reference Link |
| X14 | Integrated Digital Relay Output Terminal Block (DO8 Contact) |
| PTC Terminals | Motor Thermal Protection Sensor Input Interface Loop |
| Jumper X3 / X4 / X5 | Hardware Configuration Jumpers for Internal Parameter Scaling |
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Returns & Warranty



Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Dots
|
| Country of origin |
China
|