ZW7-40.5 series of high voltage vacuum circuit breakers are outdoor high voltage equipments which has the rated voltage of 40.5kV and three-phase AC of 50Hz. They are mainly used for opening and closing load current and short-circuit current in outdoor 35kV power system, country lines, city lines, mine lines and factory lines. The vacuum interrupters are put in porcelain bottles. So they are highly dielectric and safe, and achieve IEC-56 level.
The operating structure of this kind product is spring energy storage and can be divided into electromotion and manual two kinds.
TEL : 86-021-63222945 / FAX : 86-021-63604470
No.364, Ningbo Road, Huangpu District China Shanghai China [CN]
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Detail Company Introduction
Our company is specialized in producing H.V and L.V vacuum contactor, vacuum circuit breaker, vacuum interrupter，isolating switchand，switch disconnector and series accessory.
Our products have passed “CC” & “CQC” attestation, ISO9001 quality system attestation and production certificate awarded by ministry
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea
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