Zw7-40.5 outdoor high-voltage vacuum circuit breaker

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Product Description
ZW7-40.5 outdoors high vacuum circuit breaker uses in to exchange 50Hz, the 40.5kV three-phase electrical power system, the achievement divides, of of gathers using of the load current, the excess current and the short-circuit current.

This circuit breaker conforms to national standard GB1984-89 "A.c. high voltage Circuit breaker" and international electrician committee standard IEC56 "High-pressured Exchange Circuit breaker" request.

Product Feature
a . Uses the vacuum extinguishing of arc, opens breaks the ability strongly, the electricity life is long, mechanical life 10,000;

b . Structure simple, exempts the maintenance, the overhaul period is not long;

c . Insulating ability good, the anti- contamination ability is strong;

d . May match the spring or the electromagnetism holds the drive mechanism, the machine capability is reliable, but frequently operates; Does not have the fire and the detonation hidden danger;

e . The internal installation current transformer measuring accuracy reaches 0.2 level, may realize the three-phase differential motion protection;

f . congeals the dew controller, can maintain the circuit breaker under the certain temperature humidity the reliable movement.

Product Specification / Models
Zw7-40.5
Other Information
Notices when to purchase this product

Please indicate the following details in the contract

1.Breaker model, rated current, and rated short circuit breaking current, quantity to be purchased

2.Rated voltage of breaker

3.Qty of optional parts specified in secondary working theory

4.Rated operating voltage

5.Name and quantity of spare parts

6.Any other special requirements, please indicate in the contract
ZHEJIANG BRWOR ELECTRIC CO., LTD was established in 1988,BRWOR is one of the leading high technical enterprises professionally involved in intelligentize、 Miniaturization、Solid-closure type、 Permanent Magnet、 high voltage vacuum circuit breaker、 load switch、 Part of the medium-voltage switchgear、 HV and LV switchgears、 box-type substation、 compensate the reactive power、intelligent electric etc。
BRWOR is recommended as the first enterprise for construction and reconstruction of urban-rural power grids by the State Economic and Trade Commission and State Power Corporation. Our High voltage switch got the certificate of conformity from the Machinery Industry Department, Ministry of Power Industry. All products have passed High-Type Test of national product testing center and gained the National Center CQC 3C mandatory quality certification. Our company also had passed the ISO9000 international quality system certification.
BRWOR initiated the principle of person-centered, technology and development, benefit with management, quality of survival.High quality and high price、Perfect services for customers to create the greatest value.

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