Kampa supplies medium voltage vacuum circuit breakers from 12 kV to 40.5 kV, indoor and pole mounted outdoor, for switchgear builders, EPC contractors and distribution utilities. Every frame on this page is built to order: current rating, breaking capacity, mechanism, CT arrangement and mounting type are fixed at quotation rather than picked from a stock list.
Start from the voltage class, not the model. A 12 kV frame covers 11 kV and 6.6 kV systems, a 24 kV frame covers 15 kV, 20 kV and 22 kV networks, and a 40.5 kV frame covers 25 kV, 33 kV, 35 kV and 36 kV systems. Indoor frames (VS1 ZN63A, VBI, VSG) go into metal-clad switchgear; pole mounted outdoor frames (ZW32, ZW7, ZW8) go onto overhead line structures.
For selection guidance, published ratings and the full range overview, see the vacuum circuit breaker manufacturer page.
Kampa offers high-performance medium and high-voltage power distribution solutions that combine reliability, efficiency, and competitive pricing. Our products are designed to optimize performance while reducing total cost of ownership, helping your business achieve more for less.
Kampa medium-voltage and high-voltage power transmission and distribution solutions combine advanced technology with reliable performance to meet the power needs of various industries and cities.
Vacuum Circuit Breaker from KanmPa is a medium-voltage switching device designed for interruption and protection in power transmission and distribution networks. The vacuum interrupter structure supports stable arc extinction under rated voltage of 40.5 kV and rated frequency of 50/60 Hz.
Vacuum Circuit Breaker configurations are suitable for substations, industrial power systems, and utility networks requiring defined short-circuit performance. With rated short-time withstand current up to 31.5 kA and specified operating cycles, the equipment supports repetitive switching and fault isolation scenarios.

Engineered with high-grade insulation systems and robust structural design, our products ensure stable performance under high voltage and demanding conditions.

Our equipment is designed for extreme environments such as high temperature, high humidity, and dust, ensuring stable and reliable performance.

Our products utilize durable components and optimized design, resulting in a longer service life and less wear.

We can provide customized solutions based on voltage level, capacity, and application scenario.
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