pengrc 发表于 2019-10-18 10:14

mrhqwf 发表于 2016-12-29 11:02
60335-1
7.3 Appliances having a range of rated values and which can be operated without
adjustment ...

正解就是如楼主所说的！实际由于4706.1中说的有点模糊，标的状态有两种，问题都不大！但电压4706.1中就有这明确的要求了
页: 1 2 3 4 [5]
查看完整版本: 铭牌标示50-60Hz，有无问题