... 50Hz/60Hz single-pole 240V 3.1/2/3/4P4.CE ApprovalApplication:(C45,DZ47) series circuit breaker is used in ... no less than 20000 operationsProtection degreeIP20About us:professional manufacturer of low voltage electrical equipment in China. Our company specializes in ... hace been certificated by CE&CCE, and passed troughthe ISO9001/2000. Mini Air type circuit breaker(MCB), with CE, CCC, CQC, ISO9001, ...