Mainly used for overload and short-circuit protection in line of AC230V/400V.with the feature on advanced structure,more hig Feature & Application: Mainly used for overload and short-circuit protection in line of AC230V/400V.with thefeature on advanced structure,more higher breaking capacity,reliable performance and long life time,distribution system. Main Technical DataPole No.:1P,2P,3P,3P+N, ...