air circuit breaker operation

mini MCCB NS-630N 3P AIR CIRCUIT air break mccb electricity BREAKERS home 1. 10 YEARS' ELECTRICAL MANUFACTURE EXPERIENCE IN MCCB NS-630N 3P 2. ISO9001, CCC,CB,CE 3. OEM/ODM MCCB NS-400N 3P NS series moulded case circuit breaker mccb NS series moulded case circuit breaker/mccb is one of the most advanced type breakers in the world, which adopt international advanced design and manufacture fechnology. They are suitable for short circuit and overload protection for circuit of AC