The esp power transformers adopts high quality material and advanced technology and has the advantages of damp - proof and convenient maintenance. It finds application in power transmission and distribution places like underground railway , high building, airport, station, wharf, enterprise, tunnel, etc. It is mainly used in power supply occasions of ac 5060hz and voltage less than 500v. All the input and output voltage , connection group and capacity of tapped winding can be designed and produced according to users requirements. Specifications:range-up to 8kv classambient temperature: -15c+40caltitude: 1000mrelative humidity: 90%