Nader Miniature Circuit Breaker (MCB): AC voltage from 230V to 415V, DC voltage from 60V to 1200V; Current from 1a to 125A; The number of poles includes 1P, 1P + N, 2P, 3P, 3P + N, 4P; Many series have CCC, CE, TUV, UL, SAA certification.MCB is mainly used in 5G communication (NDB6AZ-63 Series, NDB1-63 Series, NDB1-125 Series).MCB is widely used in Solar energy (photovoltaic): combiner box, distributor box. 2021 Quick Selection Guide »