VBP-12 indoor medium voltage solid-sealed vacuum circuit breaker

Type indoor medium-voltage sealed vacuum circuit breaker. Type indoor medium-voltage sealed vacuum circuit breaker. The vacuum circuit breaker is suitable for indoor switches with air as insulation and is used for control and control in power grids with rated voltage and below. Protection function, the vacuum circuit breaker has extremely excellent performance in frequent operations and occasions where short-circuit current needs to be broken, fully meeting the requirements of automatic reclosing, and has high reliability and service life.
The installation form in the switch cabinet can be fixed or installed on a handcart.
It can be installed in type switch cabinets or matched with other armored mid-mounted cabinets. It can provide fixed-pole vacuum circuit breakers with rated current and can be installed in switch cabinets with a cabinet width.
Fixed sealed vacuum circuit breakers comply with the common technical conditions of AC high voltage circuit breakers and standards and specifications
High voltage switchgear and control equipment standards.
The sealed vacuum circuit breaker is a three-phase AC rated voltage indoor switching device for power systems. It can be used in power plants, substations, industrial and mining enterprises, etc. for the control and protection of electrical equipment, and is suitable for In places with frequent operations, it can be installed in solid-sealed poles. The conductive parts are made of epoxy resin with high resistance to cracking and glass transition temperature. The design margin is large and the operating temperature rise is low. The arc extinguishing chamber is wrapped with high mechanical properties and high-voltage resistant silicone rubber. Buffer layer to reduce stress and maximize the product's thermal and cold shock resistance. The conductive parts are made of high crack resistance and high glass transition temperature epoxy resin with large design margin and low operating temperature rise. The arc extinguishing chamber is wrapped with a high mechanical performance and high pressure resistant silicone rubber buffer layer to reduce stress and maximize the cold resistance of the product. Thermal shock performance.
The sealed pole circuit breaker is an indoor switching device with AC rated voltage. The product complies with the relevant standards and its performance reaches the first-class level.
The solid-sealed pole circuit breaker can be equipped with a special propulsion mechanism to form a handcart-type unit, or it can also be used in a fixed installation unit. The circuit breaker is equipped with a reliable interlocking unit, which can meet the five-proof protection function of the switch cabinet. At the same time, it also has the following advantages: Superior mechanical performance, making the mechanical life of the circuit breaker up to times The maximum DC component of the current
Passed the rated current temperature rise test
Strong environmental tolerance
Good interchangeability
Excellent corrosion resistance
Stable performance
Verified by type test by authoritative organization
Excellent comprehensive performance