Three-Phase Oil-Immersed Distribution Transformer
S22-M Series
Quantity
S22-M Series Three-Phase Oil-Immersed Distribution Transformer
1st-Class Energy Efficiency, Low Loss, Hermetically Sealed Type
Key Advantages
- Model: S22-M (30-2500)/10
- Capacity: 30kVA - 2500kVA
- High Voltage: 6 / 6.3 / 6.6 / 10 / 10.5 / 11kV
- Low Voltage: 0.4kV (customizable)
- Tap Range: ±2×2.5% / ±5%
- Connection Group: Dyn11 / Yyn0 / Yzn11
- 1st-Class Energy Efficiency, Ultra-Low Loss
Model Specification
S □ - M - □ / □
① ② ③ ④ ⑤
① S : Three-phase
② First □ : Losses level code (e.g., S22)
③ M : Hermetically Sealed type
④ Second □ : Rated capacity (kVA)
⑤ Third □ : System nominal voltage (kV)
Technical Specifications
| Rated Capacity (kVA) | No-load Loss (W) | Load Loss (75℃) (W) | No-load Current (%) |
|---|---|---|---|
| 30 | 65 | 455/430 | 0.30 |
| 50 | 80 | 655/625 | 0.24 |
| 63 | 90 | 785/745 | 0.23 |
| 80 | 105 | 945/900 | 0.22 |
| 100 | 120 | 1140/1080 | 0.21 |
| 125 | 135 | 1360/1295 | 0.20 |
| 160 | 160 | 1665/1580 | 0.19 |
| 200 | 190 | 1970/1870 | 0.18 |
| 250 | 230 | 2300/2195 | 0.17 |
| 315 | 270 | 2760/2630 | 0.16 |
| 400 | 330 | 3250/3095 | 0.16 |
| 500 | 385 | 3900/3710 | 0.16 |
| 630 | 460 | 4960 | 0.15 |
| 800 | 560 | 6000 | 0.15 |
| 1000 | 665 | 8240 | 0.14 |
| 1250 | 780 | 9600 | 0.13 |
| 1600 | 940 | 11600 | 0.12 |
| 2000 | 1085 | 14600 | 0.11 |
| 2500 | 1280 | 16900 | 0.11 |
Note: For transformers ≤500kVA, the load loss above the slash applies to Dyn11/Yzn11 connection groups, and the value below applies to Yyn0. Custom voltage ranges and loss levels are available upon request.
Applications
S22-M series transformers are widely used in:
- Urban and rural power distribution networks
- Residential and commercial power supply
- Industrial plants, workshops and factories
- Municipal infrastructure and public facilities
- Renewable energy grid connection (solar/wind projects)
Request Custom Quote
Contact us for detailed datasheets, custom voltage/capacity solutions, OEM/ODM services and pricing.
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