NS moulded case circuit breaker(NS MCCB) is one of breaker which adopts

Internationaladvanced design, manufacture technology to develop.The rated insulating voltageis 750V, suit-able for AC 50Hz(60Hz), rated working voltage 690V below,rated working current is 12.5A to1250A of circuit and used in distributing electricenergy, and non-frequent breaking in the nor-mal conditions, protecting thecurrent & equipment from overload & under voltage, circuit breaker with rated framecurrent 400A or below, can be used in mouse cage motor's non-frequent start,breaking during working, protecting motor from overload, short circuit & under voltage,the product conforms to IEC60947-2 standard.