This Compact NSX250NA is a complete 4 poles switch disconnector.It is used to control and isolate electrical distribution circuits. It requires an upstream protection.The operational current is 250A at 415VAC 50/60Hz for AC22A and AC23A utilization categories.The operational voltage is 690VAC 50/60Hz.It comes with a variety of optional functions and accessories common with Compact NSX circuit breakers.The dimensions for this 4 poles version are 140mm x 161mm x 86mm.It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications.