stic-sprayed surface;
2. Switch box is explosion-insulating type structure, wiring chamber is increased-safety type structure;
3. General circuit power wire adopts copper bus brow, Branch output end adopts wiring terminal;
4. C45L leakage breaker and indicators light are built in When leakage current reaches the stipulated ＆#118alue, power will be cut off auto matically;
5. Possessing the guardin