... multi-pole assorting, long using lifeThey are mainly adapted to the circuit of AC 50/60Hz, 230V in single pole, 400V ... , they are also used in turning on or off the electric apparatus and lighting circuit under the normal conditionThe products are produced according ... ,000Mechanical life (times): 8,000 Square D-1 Circuit Breakers with Bolt on Type,10KA Breaking Capacity, Black Bakelite Case