CDMNE series moulded case circuit breaker is suitable for AC lines with a rated working voltage AC800/1000V and a rated current 63A~250A, and it can be widely used in the AC combiner box and combiner cabinet in photovoltaic power generation industry and in the grid-connected cabinet in power industry. It is used for electric energy distribution and line and power equipment protection to avoid hazards caused by faults such as overload and short circuit.