ZN12-12/1250-31.5`s mechanism and vacuum interrupter are designed to be a whole. Specialized 3AF type spring operating structure from Siemens can be operated by manual or carry out direct current energy saving operation. It`s can be designed as 210mm,230mm,250mm,275mm and other kinds of phase space, which matches better with different kinds of Switchgear.
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.
1.You inquuiry related to our products or prices will be replied in 12 hours .
2.Well-trained and experienced staffs to answer all your enquires in fluent english
3.OEM & ODM, any your any requirements we can help you to design and put into product.
4.Protection of you sales area ,ideas of design and all your private information.
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.
Looking for ideal Similar As Siemens 3AF VCB Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Small Size Vacuum Circuit Breaker are quality guaranteed. We are China Origin Factory of 11kV 3AF Vacuum Circuit Breaker. If you have any question, please feel free to contact us.
Product Categories : Vacuum Circuit Breaker > 12kV Vacuum Circuit Breaker