... Mini Circuit Breaker(MCB) Export experience :15 years Certificate: SemKo,ROHS,CE,CB. Sale area: Europe,America,Middle East.. FNB90-63 serise circuit breaker ... is used in lighting distribution system or motor distribution system for protecting overload and short-circuit ... equipment and lighting circuit in normal case. This product conforms to GB10963, IEC60898. circuit breaker(MCB)