China Vzc (R) -12 Vzc Medium Voltage Vacuum Contactors-Fuse Combination, Find details about China Vacuum Circuit Breaker, Vacuum Contactor-Fuse Combination from Vzc (R) -12 Vzc Medium Voltage Vacuum Contactors-Fuse Combination
Technical Specification | |||||
Rated voltage | KV | 3.6 | 7.2 | 12 | |
Rated short circuit breaking capacity 4sec. | KA eff. | 4 | |||
Rated Current | A | 400 | 315 | 160 | |
Rated power frequency | HZ | 50/60 | 50/60 | 50/60 | |
Power frequency withstand voltage 50HZ 1 min | KV | 20 | 32 | 42 | |
Impulse withstand voltage 1.2/50μs | KV | 46 | 60 | 75 | |
Peak withstand current | KA Peak. | 10 | |||
Max. breaking capactity in co-operation with fuses IEC 62271-105(IEC420 1990-11) | KA | 50 | |||
Rated exchange current | KA | 3200 | |||
operate Frequency | times/h | 300 | |||
Mechanism Endurance | cycles | 300000 | |||
Electric Endurance | cycles | 250000 |