The NB7 series miniature circuit breaker is applicable to the circuit with an alternating current of 50Hz/60Hz, rated voltage of 240/415V, and rated current up to 63A for overload protection and short circuit protection, and also for not-frequent operational transformation in the circuit under normal condition. 

This product can be applied to various places such as industrial, commercial, and tall buildings, and residential houses. 

The product meets the standards of IEC60898-1.