hs at best-electrical co,m.mini circuit breaker,overload,short circuit protection,unfrequent switch,high breaking capacity mcb AEG series E90 E91 ... mini circuit breaker/MCBE90 AEG series MCB(mini circuit breaker,circuit breaker ... Life(O-C)no less than 2000 operationsProtection DegreeIP20 AEG series E90 E91 mini circuit breaker/MCB