Is it an AC circuit breaker?

Is it an AC circuit breaker?
Circuit breaker refers to a switching device that can close, carry and break current under normal or abnormal loop conditions.
Circuit breakers can be used to distribute electric energy, start asynchronous motors infrequently, and protect power lines and motors. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The division of high and low voltage is relatively vague, generally above 3kV Is called a high-voltage electrical appliance.
Judge the AC circuit breaker from this aspect
According to the operation mode: electric operation, energy storage operation and manual operation;
According to the structure: there are universal type and plastic shell type;
According to the category of use: there are selective and non-selective;
According to the arc extinguishing medium: oil-immersed type, sulfur hexafluoride, vacuum type and air type;
According to the speed of action: there are fast type and normal type;
According to the number of poles: single pole, two pole, three pole and four pole, etc.;
According to the installation method: there are plug-in type, fixed type and drawer type, etc.