The newly independently designed electromagnetic operating mechanism has achieved excitation type CB level products for the first time in the industry, leading CB level products into the era of excitation operation. Adapting to the new generation of CM6, CM6Z, CM6L, CM6ZL plastic shell circuit breakers, fully meeting users' needs for thermal magnetic, electronic, leakage, and different voltages, while inheriting and leveraging the characteristics of miniaturization, standardization, high performance, high safety, and intelligence of the CM6 series circuit breakers.