This series of vacuum circuit breakers are three-phase AC 50Hz, rated voltage 7.2-15kV indoor high-voltage switchgear, which can be used for control and protection of electrical facilities in factories, mines, enterprises, power plants and substations.
Product name:
ZN63A series indoor high-voltage AC vacuum circuit breaker
Product introduction:
This series of vacuum circuit breakers is a three-phase AC 50Hz indoor high-voltage switchgear with a rated voltage of 7.2-15kV, which can be used for control and protection of electrical facilities in factories, mines, enterprises, power plants and substations.
Product features:
1. Long life, simple maintenance, no pollution, no explosion hazard, low noise, frequent operation;
2. Mechanical durability and electrical durability: Under rated current, the allowable breaking times are up to 30,000 times, and under rated short-circuit current, the allowable breaking times are up to 30,50 times;
3. Easy maintenance, only a small amount of cleaning or lubrication of the operating mechanism is required;
4. Has a complete product series coefficient: rated current from 630A-4000A, rated short-circuit breaking current from 20kA-50kA;
5. Vertical insulation cylinder can protect against various environmental influences; good product series and versatility, easy for users to maintain and use. Passed type test at KEMA in the Netherlands in June 2000.
