Electromagnetic compatibility (EMC) 
Part 3-3: Limits  Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current 16 A per phase and not subject to conditional connection 


额定电流≤16A的设备用低压电源电压振动范围(1013KB,pdf)-赛米微尔-技术支持社区