ComPacT NSX630NA DC is a complete 4 poles switch disconnerctor. It's used to control and isolate electrical distribution circuits. It requires an upstream protection. The operational current is 630A at 750VDC for DC-22A utilization categories. The operational voltage is 750VDC. It comes with a variety of optional functions and accessories common with ComPacT NSX circuit breakers. The dimension is 185mm x 255mm x 110mm (H x W x D). It is compliant with international standards (IEC 60947), CCC and EAC specifications.