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SJJW Series - Voltage Regulators
SJJW three-phase precision voltage regulators maintain 380 V ±1% output. 6-100 kVA, 280-430 V input, for precision industrial equipment.
Model Number Breakdown
Key Features
±1% output regulation for precision equipment
Three-phase 6-100 kVA for industrial loads
Wide 280-430 V input tolerance
Automatic servo voltage correction
Applications
- Industrial power systems
- Commercial buildings
- Infrastructure projects
Specifications Range
All specifications and dimensions can be customized upon request
Model Selector
| Key parameters | Model Range |
|---|---|
| Capacity | 6–100 kVA |
| Input voltage | 280-430V (3-phase) |
| Output voltage | 380V ±1% |
| Efficiency | >95% |
| Response time | <0.5s |
| Frequency (Hz) | 50/60 |
Select 2-3 models to compare
| Compare | Model | Series | Capacity (kVA) | Input voltage | Output voltage | Efficiency | Response time | Weight | Dimensions |
|---|---|---|---|---|---|---|---|---|---|
| SJJW-6KVA | SJJW | 6kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 52 kg | 320×630×570 mm | |
| SJJW-9KVA | SJJW | 9kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 91 kg | 350×730×670 mm | |
| SJJW-12KVA | SJJW | 12kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 91 kg | 350×730×670 mm | |
| SJJW-15KVA | SJJW | 15kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 116 kg | 350×730×670 mm | |
| SJJW-20KVA | SJJW | 20kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 150 kg | 350×730×670 mm | |
| SJJW-30KVA | SJJW | 30kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 195 kg | 400×730×770 mm | |
| SJJW-40KVA | SJJW | 40kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 195 kg | 400×730×770 mm | |
| SJJW-50KVA | SJJW | 50kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 232 kg | 700×590×1250 mm | |
| SJJW-60KVA | SJJW | 60kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 232 kg | 700×590×1250 mm | |
| SJJW-80KVA | SJJW | 80kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 250 kg | 850×750×1300 mm | |
| SJJW-100KVA | SJJW | 100kVA | 280-430V (3-phase) | 380V ±1% | >95% | <0.5s | 380 kg | 850×750×1300 mm |
Product Drawing
Electrical Equipment - SJJW-30KVA
APPEARANCE — CABINET
SCHEMATIC — SERVO AUTOTRANSFORMER
REGULATION — INPUT vs OUTPUT
SYSTEM INTEGRATION — PROTECTED LOAD
Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.
Instant Selection & Quote Calculator
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EXW (FOB Qingdao)
$20
Range $18 ~ $21 (±8%)
Price Breakdown
| Base price (interpolation) | $20 |
| × Product factor | ×1.0000 |
| × Country factor | ×1.0000 |
| × Copper-linked factor | ×1.0000 |
| + Options / accessories | $0 |
Shipping quoted separately per destination port.
Complete equipment — no winding copper linkage
Reference prices are for estimation only and do not constitute a formal offer.
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