Rated Voltage of Main Circuit (V): AC 380(400), 660
Rated Voltage of Auxiliary Circuit (V): AC 220, 380(400); DC 110, 220
Rated Frequency (Hz): 50(60)
Rated Insulation Voltage (V): 660(1000)
Rated Current (A):
Horizontal Busbar: ≤4000A
Vertical Busbar (MCC): 1000A
Rated Short-time Withstand Current of Busbar (kA/1s): 50, 80
Rated Peak Withstand Current of Busbar (kA/1s): 105, 176
Power Frequency Withstand Voltage (V/1min):
Main Circuit: 2500V
Auxiliary Circuit: 1760V
Busbar System: Three-phase Four-wire, Three-phase Five-wire
Protection Degree: IP30, IP40