ZN23 40.5KV HV Vacuum Circuit Breaker 40KV Indoor 1250A 1600A 2000A
ZN23-40.5KV High Voltage Vacuum Circuit Breaker Main Breaker 40kv Indoor VCB
| rated voltage | 40.5kV | ||
| rated current | 1250A 1600A 2000A | ||
| rated short-circuit breaking current | 20 31.5kA 25 31.5 | ||
| rated frequency | 50Hz | ||
| closing time | 50~80ms | ||
| lighting impulse withstand voltage | 185kV | ||
| 1min power frequency withstand voltage | 95kV | ||
| rated short-circuit making current | 25kA 31.5kA | ||
| rated short-circuit withstand current | 25kA 31.5kA | ||
| rated peak withstand current | 63kA 80kA | ||
| rated short-circuit continued time | 4s | ||
| rated short-circuit making time | ≤90ms | ||
| rated short-circuit ON-OFF current | 80kA | ||
| rated operating sequence | 0-0.3s-CO-180s-CO | ||
| opening time | 40-85ms | ||
| rated short-circuit breaking current breaking times | 20times | ||
| mechanical life | 10000times | ||
| rated capacitor making current | 630A | ||
| energy storage motor rated power | 275W | ||
| energy storage motor rated voltage | AC110/220V | ||
Applying ambient conditions
1.Ambient temperature:-10ºC~+40ºC.
2.The height above sea level:≤1000m(besides the special requirements).
3.Relative humidity:the average humidity of a day should be no more than 95%;the average humidity of a month should be no more than 90%.
4.Saturated vapour pressure:the average pressure of a day should be no more than 2.2kPa;the average pressure of a month should be no more than 1.8kPa.
5.Earthquake intensity:not exceed 8 degrees.
6.It should be installed in the places without fire,explosion,serious filth,chemical erosion and violent vibration.
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