Schneider Electric LV429494 Distribution board accessories 1 pc(s)
This is a Vigi add-on module for Compact NSX 250 that provides fault current protection. It is used for 3-pole circuit breakers. The operating voltage is between 440 and 550 V AC 50/60 Hz. The differential current sensitivity is adjustable from 30 mA to 30 A. It is plugged directly onto the device connection terminals and if there is a fault, it directly activates the trigger if there is a fault due to an error current. This Vigi add-on module is internally fed by the power supply of the distribution system, even if it is supplied only by 2 phases. It is compliant with IEC 60947-2, Appendix B.This text is machine translated.