insulator-vacuum circuit breaker ve1

Processed with the technology of unique embedded pole by epoxy resin APG process. Cushiony silicone insideelectronic component-vacuum circuit breaker ve1No.Art. Unit Technical parameter 1Rated voltage Kv 12 2Rated current A 630/1250/1600 3Rated insulated level1min Power frequency withstand voltage Kv 42 Lighting impulse withstand voltage(Peak value) Kv 75 4Rated frequency Hz 50 5Rated short circuit breaking current(virtual value) kA 20/25/31.5 6Rated peak value withstand current kA 50/63/80 74 second short time withstand current kA 20/25/31.5 8Times of rated short circuit current breaking times 100 9Mechanism life times 100000 10Life-span of electricity(rated current) times 50000 11The abrasion thickness of dynamic and still contactor mm 3 12The distance of contactors mm 8 13Range of the contactor mm 4 14Test for temperatures rising 1.1×1r 15Suitable environmentRunning environment temperature-25 +50 Altitude of running evironmentm≤2500 16Relative humidityAverage value of daily relative humidity≤95% Average value of monthly relative humidity≤90%