ZW7-40.5 outdoor high voltage vacuum circuit breaker

External high-voltage vacuum circuit breaker 1. Product overview
External high-voltage vacuum circuit breaker is an outdoor high-voltage switchgear with three-phase AC and below rated voltage. It can be used to divide and combine load current, overload current and short-circuit current.
2. Usage environment
Normal usage conditions
) Ambient air temperature
Maximum temperature + ℃ Minimum temperature ℃
) Altitude does not exceed meters) Wind pressure does not exceed ( Equivalent to wind speed/)
) Earthquake intensity does not exceed level) Air pollution level III
Special working conditions
When used in special working environments, we can make adjustments based on the requirements of the special working environment Design accordingly.
3. Main technical parameters
Mechanical parameters of circuit breaker
Project

Unit

Data

Contact spacing



(and below)

(

Contact overtravel
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Average closing speed





Average opening speed Speed





Three-phase opening synchronicity (time difference)





Contact closing bounce time





Closing time

Configuration Organization





Organization





Opening time

Distribution mechanism





Distribution mechanism





DC resistance of each phase loop