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SGK Series - Three Phase Transformers
SGK three-phase isolation transformers provide galvanic isolation for industrial equipment, 5-50 kVA with custom secondary voltages.
Model Number Breakdown
Key Features
- Three-phase galvanic isolation for industrial equipment
- 5-50 kVA with custom secondary voltages
- Suppresses harmonics and transients
- Delta-star or delta-delta configurations
Applications
- Industrial power systems
- Commercial buildings
- Infrastructure projects
TECHNICAL DRAWING
Model: SGK-20KVA | Type: Oil-immersed transformer | Capacity: 20 kVA
FRONT ELEVATION
ELECTRICAL SCHEMATIC
EFFICIENCY vs LOAD
SIDE VIEW
TOP VIEW
TERMINAL BLOCK
CORE & WINDING
LEGEND:
Iron core
HV winding/bushing
LV winding/bushing
Dimension line
Specifications Range
All specifications and dimensions can be customized upon request
Model Selector
| Key parameters | Model Range |
|---|---|
| Capacity | 5–50 kVA |
| Frequency (Hz) | 50/60 |
Select 2-3 models to compare
| Compare | Model | Series | Capacity (kVA) | Input voltage | Output voltage | Frequency (Hz) | Rated current (A) | Weight | Dimensions |
|---|---|---|---|---|---|---|---|---|---|
| SGK-5KVA | SGK | 5VA | 380V | Custom | 50/60 | 0.01A | 50 kg | 300×175×280 mm | |
| SGK-10KVA | SGK | 10VA | 380V | Custom | 50/60 | 0.02A | 80 kg | 360×185×340 mm | |
| SGK-20KVA | SGK | 20VA | 380V | Custom | 50/60 | 0.03A | 140 kg | 430×215×390 mm | |
| SGK-30KVA | SGK | 30VA | 380V | Custom | 50/60 | 0.05A | 200 kg | 450×270×410 mm | |
| SGK-50KVA | SGK | 50VA | 380V | Custom | 50/60 | 0.08A | 300 kg | 510×300×460 mm |
Instant Selection & Quote Calculator
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EXW (FOB Qingdao)
$18
Range $17 ~ $20 (±8%)
Price Breakdown
| Base price (interpolation) | $18 |
| × Product factor | ×1.0000 |
| × Country factor | ×1.0000 |
| × Copper-linked factor | ×1.0000 |
| + Options / accessories | $0 |
Shipping quoted separately per destination port.
Aluminum winding — no copper linkage
Reference prices are for estimation only and do not constitute a formal offer.
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