... ,CE & CQC Attestation 3)The Most Comparative Price 4)Different type NT50 Miniature Circuit Breaker ,Circuit Breaker(MCB) ,breakerProduct DescriptionScope of ... voltage Un (V): 115/230 4. Rated frequency (Hz): 50, 60 5. Rated current In (A): 6, 10, 16, 20, 25 ...