2 Pole Circuit Breakers; GBH bolt on circuit breakers; 2 Pole Circuit Breakers;GBH bolt on circuit breakers;Rated voltage:120/240VAmperage:16A,20A,25A,30A,40A,50A,60A.Poles:1P,2P,3PDegree of protection:IP20For protction againsr overload and short circuits in the electrical distrion system; 2Pole Circuit Breakers