1. Compact structure．convenient installation．

2. The seal, whole insulation structure, can guarantee the security of person．

3. Can be used for ring network, also can used for terminal, conversion convenient, improve the power supply reliability,

4. The low loss, low noise, superior performance．

5. Cable joint adopts plug-and-socket form, has the characteristics of isolating switch, convenient operation,flexible.

6. High pressure double weld wire protection, plug-in weld wire has temperature, current ShuangMin protection properties．

7. Backup weId wire of transformer fauIts and second Iine fault protection.

8. Box adopts anti-theft structure.

9. Low temperature, overload ability．

10. Because transformer implement body adopts special structure, its outstanding advantages is high quality, neutral voltage offset small.