It is mainly suitable for the relay protection circuit crossing by multiple root bus. The product were developed for the detection of short circuit or overload current of the protection system, and have different level and accurate limit factor. It can be extended to different perforation size. The product are widely used in low-voltage distribution protection system, and in power plants and industrial and mining enterprises for line protection.
2.Explanation for type
3.Spec. and size
4.Cross-reference tables of spec. -parameter
Note: The standard value of the rated primary current is: 10A、12.5A、15A、20A、25A、30A、40A、50A、60A、75A,and their decimal multiples or decimal, those marked are the priority value.