CKVB-12 indoor vacuum circuit breaker is suitable for indoor switchgear of three-phase AC 50Hz, rated voltage 12kV power system. It is suitable for power plants, substations and power distribution rooms in the power system, especially suitable for places requiring frequency operation under rated working current or multiple breaking and closing of short-circuit current. CKVB series indoor high-voltage vacuum circuit breaker can be divided into side-mounted type, formal-mounted type and handcart type according to the installation method, according to the structure, it can be divided into insulating cylinder and solid-sealed pole type. The maximum rated current is up to 4000A. The circuit breaker conforms to GB 1984-2014 ‘High Voltage AC Circuit Breaker’, JB/T 3855-2008 ‘3.6~40.5kV Indoor AC High Voltage Vacuum Circuit Breaker’, DL/T 403-2017 ’12kV-40.5kV High Voltage Vacuum Circuit Breaker Ordering’ Technical Conditions’ and IEC62271-100 and other standards.
Технические характеристики
CharacteristicsTypevacuumElectrical characteristicsshort-circuit, high-voltage, AC, three-phaseApplicationsdistributionOther characteristicsindoorPrimary current
4,000 A
VAC
12 kV
