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Help Center40.5KV High Voltage Vacuum Circuit Breaker (Actuator)
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40.5KV indoor high voltage vacuum circuit breaker （Actuator）35KV three - phase AC 50HZ applied to power system , the circuit breaker for the ceramic structure , using the longitudinal magnetic field contacts , is small , the proliferation of breaking arc generated when current distribution in the contact on the same local melting phenomenon does not occur , but also has a low arc energy voltage (20-200V) and low chopping current (4-5A), and operate with high reliability organizations .
The circuit breaker with spring energy storage sector , can exchange energy storage , or DC operation , can also be used manually . The circuit breaker uses a special contact material , so interrupter high breaking capacity , and has a long electrical life .
The switch of simple structure , open high capacity , long life operation of fully functional no explosion risk , maintenance is simple , suitable for power plants , substation control and distribution system , protection switching , particularly suitable for heavy duty and frequent breaking operation place .
Environmental conditions
Ambient air temperature : upper limit +40℃. Lower limit -15℃ ;
Altitude : less than 1000m( for higher altitude , is rated insulation level increase );
Amplitude of vibration: the earthquake intensity is not more than 8 degrees ;
The daily average value of air relative humidity is not greater than 95%,
and the average monthly value is not greater than 90% ;
No Fire , explosion , danger , serious pollution , chemical corrosion and violent vibration .
Executive Standard
GB1984 AC High Voltage circuit breaker
DL/T403 12~40.5KV Indoor AC high voltage circuit breaker ordering technical conditions
IEC60694
IEC6227-100
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