- Rated Operational Current AC-21B (Ie):
- (380 ... 415 V) 2000 A
- (500 V) 2000 A
- (690 V) 2000 A
- Rated Operational Current AC-22B (Ie):
- (380 ... 415 V) 2000 A
- (500 V) 2000 A
- (690 V) 2000 A
- Conventional Free-air Thermal Current (Ith):q = 40 °C 2000 A
- Rated Impulse Withstand Voltage (Uimp):12 kV
- Rated Insulation Voltage (Ui):acc. to IEC/EN 60664-1 1000 V
- Rated Operational Voltage:Main Circuit 1000 V
- Rated Short-Circuit Making Capacity (Icm):(690 V) 176 kA
- Rated Short-time Withstand Current Low Voltage (Icw):for 1 s 55 kA
- Rated Conditional Short-Circuit Current (Inc):
- (1250 A fuse, 415 V) 80 kA
- (1250 A fuse, 500 V) 100 kA
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