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Home » Product Service » VK12 Series vacuum circuit breaker » VK12-40.5 Vacuum circuit breaker- with composite insulated pole

VK12-40.5 Vacuum circuit breaker- with composite insulated pole

VK12-40.5 high voltage vacuum circuit breaker is an improved product with unique technology of Shanghai Veikai Electric Co., Ltd. It is a high voltage switchgear with rated voltage of 40.5KV and three-phase AC 50Hz.
Product Information


Product introduction of VK12-40.5 indoor high voltage vacuum circuit breaker  
VK12-40.5 high voltage vacuum circuit breaker is an improved product with unique technology of Shanghai Weikai Electric Co., Ltd. It is a high voltage switchgear with rated voltage of 40.5KV and three-phase AC 50Hz. The circuit breaker is a hand-carriage structure, which can be used with the KYN61-40.5 switchgear. The circuit breaker is equipped with a reliable interlocking unit to meet the user's “five-proof” protection function. Related supporting products are: isolated handcart, fuse handcart, fuse with lightning arrester handcart and PT handcart.
Product information of VK12-40.5 indoor high voltage vacuum circuit breaker
VK12-40.5 maintains the characteristics of ZN85-40.5 indoor high voltage vacuum circuit breaker with small size, strong breaking capacity and safe and reliable operation. It also has the following outstanding advantages:
1. Advanced design concept  
The VK12-40.5 product is optimized for its structure thanks to its industrial design; at the same time, the main materials are specially customized to ensure product design and process and quality consistency.
2, high current level  
 The rated current can be up to 2500A, which can meet the demand of 35KV high current hand-cranked circuit breakers on the market.
3, high conductivity  
 Increase the thickness of the silver plating layer of the conductive circuit components, and at the same time strictly control the quality of the factory through advanced testing equipment.
4, high-quality electrical components   
 VK12-40.5 main components use imported or domestic high-quality products, greatly improving the stability of secondary control.
5, flexible cabinet solution   
It can be equipped with standard KYN61 switchgear (1400mm wide), or it can be specially designed with improved KYN61 switchgear (1200mm wide and 1680mm wide).

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