ZW20-12/630-25 outdoor Vacuum Circuit Breaker is with modularized design, anti-interference design, compact structure, free maintenance, for the control and protection of substation and equipments; making and breaking short-circuit current under various operating status of electric network.
The working principle of the vacuum circuit breaker is: When the moving and static contact in the Operating mechanism under the action of the gate, the contact between the arc, the contact surface at high temperature volatile steam, the contact design for the special shape, Through the magnetic field generated when the arc under the action of the magnetic field along the contact surface tangential direction of rapid movement in the metal cylinder (shield) on the condensation of some metal vapor, the arc in the natural zero-crossing, the contact between Medium strength and quickly recover.
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3.OEM & ODM, any your any requirements we can help you to design and put into product.
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5. If any problems resulted from quality and mal-manufacturing, our after-sales service will help you solve these problems.
6. We will help you with technical problems during installation and marketing.
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Product Categories : Vacuum Circuit Breaker > 12kV Vacuum Circuit Breaker