Capacity 50KVA ~3500KVA Phase Three Phase Primary Voltage 4.16KV,12.47KV,13.2KV,13.8KV,24.94KV,34.5KV(Customizable) Secondary Voltage 480V,440V,420V,415V,400V(Customizable) Frequency 60HZ Cooling way ONAN Tape changer 5Position,2*±2.5%(Customizable) Temperature Rise 60℃ Primary Insulation Well Bushing Secondary Connection Standard Spade Connectors Efficiency Meet DOE 2016 Standard Insulation Mineral oil Liquid level Gauge Available Temperature Gauge Available Fill Valve Available Drain Valve w/ Sampler Available Protection fuses Bavonet fusing Load break Switch 2 or 4-Position load break switch Front Dead Front Primary, Live Front Secondary Winding material Copper Ambient Temperature rating -5℃-40℃ Sound Level <60dB Housing Coated steel, Tamper Resistant w/Padlockable lift-up Lid MountingPad Mount