ZW7-40.5 outdoor high voltage vacuum circuit breaker is used for AC three-phase power system with 50Hz and voltage of 40.5KV, which is used for breaking, closing load current, overload current and short circuit current.

Service Environment

it is just for ordinary type,Other type increase partial ability to cope with stern environment

1.Air temperature: Maximum temperature: +40ºC; Minimum temperature:

general region:-30ºC Alpine region:-40ºC

2.Air pollution level:not higher III level

3.intensity of earthquake:not higher 8 degree

4.partial pressure not exceed 700 Pa(equal with wind speed 34 m/s)

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Packaging & Delivery.

Packaging Details	Non-solid wooden case(Stａnd export package).
Delivery Detail	Within 10~15days from the date of receiving signed sales confirmation by both parties.

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Zhejiang Volcano-electrical technology is an ISO-9001 ISO-14001, ISO-18001 approved factory, professional in producing vacuum circuit breakers, auto-reclosers, disconnectors, load break switch and switchgear. The factory occupies a manufaturing square over 1000㎡ and has several advanced production line with mechanical operation. We make constant efforts to improve product quality and service. Our company has get many patent certifications and products have passed type testing. We can provide a complete set of transmission and distribution. To offer the best quality with our best service is our main management principal.