BS EN 61000-3-3:2013+A2:2021 电磁兼容性 (EMC) 限制 公共低压供电系统中电压变化、电压波动和闪变的限制 适用于每相额定电流≤16A且不受条件连接限制的设备
Electromagnetic compatibility (EMC) - 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