... , DIN425235, Insulation Level: LI75CA35/LI0AC36, Connection: Yyn0 or Dyn117, Transformer shell is optional, its production class is Ip20 or IP238 ... control system are both optional9, Real Maintenance-Free10, Absence of fire risk and good adaptability11, Easy installation12, Low loss, ... , Mounted in sites with adverse circumstances17, In case of forces air cooling, the rated capacity can be increased