非市电供电产品要标额定输入值吗？
在标准60950里1.7.1里面有句话：If a unit is not provided with a means for direct connection to a MAINS SUPPLY, it need not be marked with any electrical rating, such as its RATED VOLTAGE, RATED CURRENT or RATED FREQUENCY.但是对于这样的产品实际操作中是确实不用标的吗？
我们公司的丝印上电压电流，功率都有标，但是实物样机上没有标电流，大家说说这样可以不？
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