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USG Series - Three Phase Transformers
USG three-phase transformers step down 380 V to 220 V for machinery and distribution. 3.5-180 kVA, balanced three-phase output.
Model Number Breakdown
Key Features
- Three-phase step-down from 380 V to 220 V
- 3.5-180 kVA for machinery and distribution
- Balanced three-phase output
- Robust for continuous industrial duty
Applications
- Industrial power systems
- Commercial buildings
- Infrastructure projects
TECHNICAL DRAWING
Model: USG-24KVA | Type: Oil-immersed transformer | Capacity: 24 kVA
FRONT ELEVATION
ELECTRICAL SCHEMATIC
EFFICIENCY vs LOAD
SIDE VIEW
TOP VIEW
TERMINAL BLOCK
CORE & WINDING
LEGEND:
Specifications Range
All specifications and dimensions can be customized upon request
Model Selector
| Key parameters | Model Range |
|---|---|
| Capacity | 3.5–180 kVA |
| Frequency (Hz) | 50/60 |
| Compare | Model | Series | Capacity (kVA) | Input voltage | Output voltage | Frequency (Hz) | Rated current (A) | Weight | Dimensions |
|---|---|---|---|---|---|---|---|---|---|
| USG-3.5KVA | USG | 3.5kVA | 380V | 220V | 50/60 | 9.19A | 40 kg | 270x±x2 | |
| USG-4.0KVA | USG | 4kVA | 380V | 220V | 50/60 | 10.50A | 40 kg | 270x±x2 | |
| USG-5.5KVA | USG | 5.5kVA | 380V | 220V | 50/60 | 14.43A | 55 kg | 300x±x2 | |
| USG-6.0KVA | USG | 6kVA | 380V | 220V | 50/60 | 15.75A | 55 kg | 300x±x2 | |
| USG-8.0KVA | USG | 8kVA | 380V | 220V | 50/60 | 20.99A | 70 kg | 328x±x2 | |
| USG-10KVA | USG | 10kVA | 380V | 220V | 50/60 | 26.24A | 80 kg | 360x±x2 | |
| USG-12KVA | USG | 12kVA | 380V | 220V | 50/60 | 31.49A | 90 kg | 360x±x2 | |
| USG-15KVA | USG | 15kVA | 380V | 220V | 50/60 | 39.36A | 110 kg | 385x±x2 | |
| USG-20KVA | USG | 20kVA | 380V | 220V | 50/60 | 52.49A | 140 kg | 410x±x2 | |
| USG-24KVA | USG | 24kVA | 380V | 220V | 50/60 | 62.98A | 165 kg | 470x±x2 | |
| USG-30KVA | USG | 30kVA | 380V | 220V | 50/60 | 78.73A | 200 kg | 445x±x2 | |
| USG-37KVA | USG | 37kVA | 380V | 220V | 50/60 | 97.10A | 235 kg | 470x±x2 | |
| USG-45KVA | USG | 45kVA | 380V | 220V | 50/60 | 118.09A | 275 kg | 470x±x2 | |
| USG-60KVA | USG | 60kVA | 380V | 220V | 50/60 | 157.46A | 340 kg | 500x±x2 | |
| USG-75KVA | USG | 75kVA | 380V | 220V | 50/60 | 196.82A | 400 kg | 540x±x2 | |
| USG-93KVA | USG | 93kVA | 380V | 220V | 50/60 | 244.06A | 470 kg | 570x±x2 | |
| USG-132KVA | USG | 132kVA | 380V | 220V | 50/60 | 346.41A | 635 kg | 650x±x2 | |
| USG-180KVA | USG | 180kVA | 380V | 220V | 50/60 | 472.38A | 825 kg | 700x±x2 |
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Certification
The values below are computed from what you selected above. Anything that cannot be computed yet is shown as an em dash — never as zero.
Iₙ = S / (√3·U) · I_sc = 100·Iₙ / uₖ · S_sc = √3·U·I_sc · I_p = k·Iₖ
Still required to complete the calculation: rated capacity S, impedance voltage uₖ, short-time or peak withstand current.
Per-model values (P0 / Pk / uₖ declared by the factory, losses, noise, temperature rise, dimensions, weight) are not in the product library: those rows stay at an em dash until the factory parameter sheet is supplied. An em dash means the value is unavailable — it is never rendered as zero.
Read-only: no price factor, not part of the sum — the loss-grade cost is already carried by the efficiency (subtype) base price, so charging here would double-bill. Values come from the product library type-test data, interpolated between published capacities; grades the library does not cover show an em dash, never zero.
Reference prices are for estimation only and do not constitute a formal offer.
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