Voltage: 10kV, 20kV, 35kV;Voltage regulation: off circuit tapping or on load tapping;Tapping range: ±5%, ±2X2.5% or ±3X2.5%;  Capacity: 30-25000kVA; Frequency: 50Hz and 60Hz; Single-phase and 3-phase;  Operating environment: RH: 100%, ambient temperature: ≤ 40℃ (or according to customer requirements);Protection grade: IP00, IP20 and IP23;Insulation and thermal resistance: F grade;
Insulation:10kV class power frequency withstand voltage: 35kV, impulse withstand voltage: 75kV,  35kV class power frequency withstand voltage: 70kV, impulse withstand voltage: 170kV