NS series moulded case circuit breaker is one of the OST advanced type breaker in the world, which adopts international advanced design and manufacture technology. They are suitable fore shout circuit and overload protection in circuit of AC 690V 50/60Hz, rated current from 12. 5A to 630A, its rated insulation voltage is 690V, it can make and break the infrequently circuit under normal conditions, it takes protecting effect when mouse cage motors infrequently start, making and breaking and protecting against overload, short circuit and lacking voltage.

ABB
Frame current: 125, 250, 400, 630, 800, 1250
Rated Current: 6A-1250A
Pole No.: 3, 4 pole
Standards: Comply with IEC 947-2, GB 14048.2, GB 14048.4.
We are now ISO9001 certificated and possessing rich technology, advanced checkout equipment, consummate manufacturing process.