Features of Products
1. Meet or exceeds ANSI.IEC.GB.SANS.Standards
2. Safe Handling, Installation and Operation.
3. Attractive, modern appearance
4. Reasonable Structure
5. Fully-sealed
6. Higher system reliability
7. High security and reliability in operation
8. High capacity of overload and efficiency
9. Robust construction having excellent short circuit and thermal withstand capabilities
10. Transformers are more efficient by Reduced no-load losses and Reduced load losses
Standard
GB1094.1-2013; GB1094.2-2013; GB1094.3-2013; GB1094.5- 2008; GB/T 6451-2008; GB/T 1094. 10-2003; JB/T 10088-2004;1EC60076; SANS 780 STANDARDS
Transformer normal service conditions
1. The height above the sea level is below 000m;
2. Ambient temperature;
3. Highest air temperature+40C°;
4. Highest daily average air temperature+30C°;
5. Highest annual average air temperature+20C°;
6. Lowest outdoor air temperature -25C°;
S11 series 15/20kV single phase pole-mounted distribution transformer
![1520](http://www.jonchan.com/uploads/1520.jpg)
Note: Tapping range of high-voltage:±5%,±2×2.5%; Frequency: 50Hz