Using
... 额定电流(A)Rated current 使用类别Using 防爆标志Ex-mark ...
Usage
... 型号含义Model implication 使用类别Usage 额定电压(V)Rated voltage ...
Utilization Category
... 2. 主要技术参数(Main technical Parameter): 使用类别(Utilization Category): 额定冲击耐受电压Uimp: ...
care claim category
usage category
User Class