Product Search
Find the right transformer for your needs

Images are for illustration purposes only
WJS Series - Contactless Thyristor Voltage Stabilizers (Three-Phase)
The WJS series contactless (thyristor/IGBT) voltage stabilizers regulate three-phase voltage without moving parts or carbon brushes, using solid-state semiconductor compensation for ultra-precise, wear-free regulation.
Model Number Breakdown
Key Features
Contactless solid-state (thyristor/IGBT) regulation with no moving parts
Microprocessor control with response time under one cycle
Output accuracy ±1% with no waveform distortion
Maintenance-free with no brush or servo wear
Three-phase 380V input/output for precision loads
Applications
- Precision manufacturing
- Semiconductor fabrication
- Telecommunications
- Medical imaging equipment
Specifications Range
All specifications and dimensions can be customized upon request
Model Selector
| Key parameters | Model Range |
|---|---|
| Capacity | 0.5–50 kVA |
| Input voltage | 160-250V |
| Output voltage | 220V±3% |
| Efficiency | >98% |
| Response time | <40ms |
| Compare | Model | Series | Capacity (kVA) | Input voltage | Output voltage | Efficiency | Response time | Weight | Dimensions |
|---|---|---|---|---|---|---|---|---|---|
| WJS-0.5 | WJS | 0.5kVA | 160-250V | 220V±3% | >98% | <40ms | 10 kg | 200×130×160 mm | |
| WJS-1 | WJS | 1kVA | 160-250V | 220V±3% | >98% | <40ms | 10 kg | 250×150×180 mm | |
| WJS-2 | WJS | 2kVA | 160-250V | 220V±3% | >98% | <40ms | 20 kg | 280×170×200 mm | |
| WJS-3 | WJS | 3kVA | 160-250V | 220V±3% | >98% | <40ms | 25 kg | 300×180×220 mm | |
| WJS-5 | WJS | 5kVA | 160-250V | 220V±3% | >98% | <40ms | 40 kg | 350×220×280 mm | |
| WJS-6 | WJS | 6kVA | 160-250V | 220V±3% | >98% | <40ms | 45 kg | 370×235×305 mm | |
| WJS-8 | WJS | 8kVA | 160-250V | 220V±3% | >98% | <40ms | 60 kg | 410×270×350 mm | |
| WJS-10 | WJS | 10kVA | 160-250V | 220V±3% | >98% | <40ms | 70 kg | 450×300×400 mm | |
| WJS-15 | WJS | 15kVA | 160-250V | 220V±3% | >98% | <40ms | 95 kg | 500×350×450 mm | |
| WJS-20 | WJS | 20kVA | 160-250V | 220V±3% | >98% | <40ms | 120 kg | 550×400×500 mm | |
| WJS-30 | WJS | 30kVA | 160-250V | 220V±3% | >98% | <40ms | 170 kg | 600×450×550 mm | |
| WJS-50 | WJS | 50kVA | 160-250V | 220V±3% | >98% | <40ms | 260 kg | 700×500×600 mm |
Product Drawing
Electrical Equipment - WJS-8
Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.
Instant Selection & Quote Calculator
Select your specifications to get an estimated price instantly.
| Base price (interpolation) | $20 |
| × Product factor | ×1.0000 |
| × Country factor | ×1.0000 |
| × Copper-linked factor | ×1.0000 |
| + Options / accessories | $0 |
Complete equipment — no winding copper linkage
Reference prices are for estimation only and do not constitute a formal offer.
We will reply with your latest quote instantly.
Related Engineering Calculators
Free sizing and pricing tools for this product category.