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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 a high-voltage switchgear with a rated voltage of 40.5kV and three-phase AC 50Hz. The circuit breaker is a handcart structure, which can be used together with KYN61-40.5 switchgear. The circuit breaker is equipped with a reliable interlocking unit to meet the user's "five prevention" protection function.
Product Information


Product introduction of VK12-40.5 indoor high voltage vacuum circuit breaker
VK12-40.5 high voltage vacuum circuit breaker is a handcart structure, which can be used together with KYN61-40.5 switchgear. The circuit breaker is equipped with a reliable interlocking unit to meet the user's "five prevention" protection function. Relevant supporting products include: isolation 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, such as small volume, strong breaking capacity, safe and reliable operation, and also has the following excellent advantages:
1. Advanced design concept
VK12-40.5 product adopts industrial design, which optimizes the structure; At the same time, the main materials are specially customized to ensure the consistency of product design, process and quality.
2. High current level
The rated current can be as high as 2500A, which can meet the market demand for 35kV high current handcart circuit breakers.
3. High conductivity
Increase the silver plating thickness of conductive circuit parts, and strictly control the incoming quality through advanced testing equipment.
4. High quality electrical components
The main components of VK12-40.5 are imported or domestic high-quality products, which greatly improves the stability of secondary control.
5. Flexible cabinet distribution scheme
It can be equipped with standard KYN61 switchgear (1400mm wide) or specially designed with improved KYN61 switchgear (1200mm wide and 1680mm wide).


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