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.: 3BHE030579R0003
Country of origin:Switzerland
Product Type: Excitation System Controller
Payment: T/T, Western Union
Weight: 3736g
Dimensions: 170 mm x 280 mm x 190 mm
Shipping port: Xiamen
Warranty: 12 months
The 3BHE030579R0003 UNITROL 1020-0003 BASIC is an automatic voltage regulator and excitation system unit designed for synchronous generators and motors. As part of the UNITROL 1000 series platform, the 3BHE030579R0003 delivers voltage control and excitation current management for power generation and industrial drive systems.
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Product ID | 3BHE030579R0003 |
| Model Designation | UNITROL 1020-0003 BASIC |
| Product Net Weight | 3.736 kg |
| Country of Origin | Switzerland, Spain, China |
| Customs Tariff Number | 90328900 |
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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 .
| Country of origin |
Switzerland
|