This is an additional current transformer module with voltage measurement output of 250A rating for 3 poles Compact NSX 250 devices.This module enables direct connection of a measurement device such as an ammeter.The module is installed directly on the downstream circuit breaker power terminals.The current at the secondary winding is 5A.The rated voltage Ue is 530VAC 50/60Hz.There are 3 voltage outputs including protection with automatic reset, that can be used only for voltage measurement.The power consumption accuracy is 5VA (class 3).There is a class II insulation level between the front face and the power circuits.The protection degree is IP40.