China 20kVA Three Phase 380V to 220V Step Down Transformer, Find details about China Transformer, 380V 20V Transformer from 20kVA Three Phase 380V to 220V Step Down Transformer
Input Voltage | 415V AC (customized) | Output Voltage | 220V AC (cuatomized) |
Noise | ≤50dB | Temperature Raise | ≤50ºC(in -25-45ºC environment) |
Cooling | Air Cooling | Winding Material | Pure Copper |
Insulation Grade | F/H(can be customized) | Efficiency | ≥98% |
Insulation Resistance | ≥150MΩ | Impedance Voltage | ≤4% |
Structure | Vertical | Service Life | 30 years |
Core Type | EI Type | Core Material | Cold Rolled Silicon Steel Sheet |
Altitude Requirement | ≤2000M | Output Voltage Accuracy | ±1% |
Overload Capacity | 1.2 times of rated power | Waveform Distortion | Distortionless |
Working Temperature | -25-45ºC | Working Humidity | ≤95% Relative Humidity |