1. What is the role of the high-voltage vacuum circuit breaker?
1. The role of control. There is no-load current in the circuit, which can be cut off or closed in time to control the entire circuit.
2, the role of protection. When the circuit fails, it has the ability to cut off the current. With this protection function, it can prevent circuit problems from being caused.
2. there are several common high-voltage vacuum circuit breakers
1. According to the operation mode: there are electric operation, energy storage operation and manual operation and intelligent type. Watchdog. Permanent magnet type. Dual power automatic conversion device.
2. According to the occasion of use: there are outdoor and indoor.
3. According to the use category: support various specifications selection.
4. According to the arc extinguishing medium: there are oil immersion, vacuum and air.
5. According to the speed of action: there are fast and ordinary.
6. According to the number of poles: there are unipolar, secondary, tertiary and quadrupole.
7. According to the installation method: there are plug-in type, fixed type and drawer type.