VK4-24 insulated cylinder type indoor high-voltage vacuum circuit breaker is a kind of insulated cylinder circuit breaker specially designed by our company, which has unique technology and obtained special type certificate. The main design concepts are: the main circuit adopts the insulated cylinder type to improve the environmental adaptability and insulation reliability of the circuit breaker; the mechanism design is improved to extend the mechanical life and improve the mechanical reliability. Reliable mechanical and electrical performance and extended mechanical and electrical life make maintenance free of circuit breaker possible.

VK4-24 circuit breaker is an indoor switchgear with rated voltage of 24 kV and AC of 50 Hz. The products comply with GB DL ice and other relevant domestic and international standards.


VK4-24 circuit breaker is equipped with special propulsion mechanism to form handcart type unit. The circuit breaker is equipped with reliable interlocking unit, which can meet the user's "five prevention" protection function.

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