|
Class 0 - Only protected by basic insulation.
$ d m6 R0 Y- h: a 通过基本绝缘加以保护2 g W- v5 ]* i7 q3 _( |8 n
8 r Y: k' k7 S2 t$ K# ^Class I - Protected by earth and basic insulation.0 p. x4 d; u8 g% ~0 s
通过接地和基本绝缘
' s$ j* ~, n( x; d9 k' w$ m$ O
6 d! D" H# p# G% l T B8 G. i1 EClass 0I - Protected by an earth connection which needs to be installed by user and basic insulation.
6 t( z, M% |+ p+ c# z9 S通过基本绝缘和用户需安装的地的连接" M8 h5 j. G$ ~' x
- r. \- }$ J9 }1 p5 tClass II - Protected by double or reinforced insulation through out the equipment. There shall be no earth connection.8 M, v( X- d+ t: W
通过双层或加强绝缘加以保护
2 u* r. X# p3 v4 R* B1 T5 Q7 P, z/ L) r8 `7 L# D: ?) z1 }
Class III - Only SELV throughout the equipment (<42.4Vpeak & <60Vdc).
2 p* M$ q% h( b$ x f安全低电压设备(符合电压低于42.4vpeak, 60vdc) |
|