The circuit breaker has protection function to avoid overload, short circuit and under-voltage, for assuring the prevention from damage of circuits and power -supply devices.
The circuit breaker can be classified into three types of L (standard), M (moderate high breaking) and H(high breaking) according to the rated limit short circuit breaking capacity (Icu). It has features of small volume, high breaking and short flashover, vibration resistance, etc.
It can be installed vertically (vertical assembly) or horizontally (horizontal assembly).
It has isolation function, with its corresponding symbol .
The circuit breaker conforms to requirements of IEC60947- -2 and GB 14048.2 standards.
