VN1-40.5 Indoor high voltage vacuum circuit breaker

VN1-40.5 series solid-sealed handcart type high-voltage vacuum circuit breakers are suitable for three-phase AC power systems with a rated voltage of 40.5kv and a frequency of 50Hz. They are widely used in power plants, substations, petrochemicals, metallurgy, manufacturing, airports and communities, etc. As the protection and control of electrical facilities, it is especially suitable for places with frequent operation under rated current or multiple interruption of short-circuit current. It is completely interchangeable with VD4 and VEP circuit breakers, and can be installed in mobile or fixed air-insulated switch cabinets.