Himel HDB3wN4C 4 Pole Miniature Circuit BreakerHDB3w series is Himel 3 series range of Miniature Circuit Breakers designed to protect the power system from short circuit and overload faults. 3 series MCB is mainly used in commercial and residential buildings, including 18mm AC MCB, 27mm AC MCB, phase neutral MCB, and DC MCB. Product range: AC and DC MCB, from 1 to 125A Technical Breaker Type: Miniature Circuit Breaker Breaking Capacity: 6kA Number of Poles: 4 Poles Rated Current Ratings: 16Amp,