The VKJ series high voltage vacuum circuit breakers are designed for reliable performance in industrial power distribution systems. These breakers are available in a range of rated voltages from 7.2KV to 35KV, with breaking capacities from 20KA to 50KA, making them suitable for various high-demand applications.
Constructed with vacuum arc-extinguishing technology, these circuit breakers ensure efficient interruption of electrical currents, enhancing safety and system reliability. The breakers can be operated manually or electrically, with options for both AC and DC power supplies, providing flexibility in different operational environments.
Key mechanical characteristics include a contact opening distance of 11±1mm, contact travel of 3.5±0.5mm, and a mechanical life of 30,000 operations. The breakers are designed for fixed or insert installation, with three poles and a structure compliant with ACB standards.
For energy storage, the product uses a permanent-magnet type single-direction DC motor with a specialized reducer, ensuring consistent performance with an energy storage time of ≤15 seconds at rated voltage. The switching electromagnet supports a wide operating voltage range, accommodating various power supply conditions.
Customization is a key feature, with options for non-standard specifications, OEM services, and technical support for tailored solutions. The breakers are ISO9001 certified, ensuring quality and reliability for industrial users.
Ideal for factories, power plants, and large-scale electrical systems, these circuit breakers offer robust performance and adaptability. The product is supplied with detailed technical documentation and support for integration into existing power infrastructures.