IEC 61000-4-34Electromagnetic compatibility (EMC) - Part 4-34: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests for equipment with mains current more than 16 A per phase IMU-MGEAutomatic 3-Phase CDN up to 32A / 8kV for EFT, Surge and Ringwave (690V) IMU-MGE WARNING-LAMPExternal Red and Green warning lamps WARNING-LAMP Conducted ImmunityBasic- and Product standard requirements & Solutions Voltage dips, short interruptions, voltage variations immunity test AC lines > 16 A per phaseIEC BASICIEC 61000-4-34