K series mini circuit breaker is mainly suitable for overload and short circuit protection.It is especially used for illumination and distribution in industry and commerce.It is of pleasing out-look,light weight,reliable performance,high breaking capacity,ect.Its frame and parts adopt plastics of high inflammable resistance and shock resistan- ce for long service life.It is mainly used for overload and short circuit protection within the circuit of AC 50/60Hz,rated voltage of single pole up to 240V,two,three or four pole up to 415V.It can also be used for an unfrequent switchover of the circuit and illumination under normal conditions.