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开关电源后端输出应该是SELV吧,接地变成PELV
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3.4.4 protective extra-low voltage circuit
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earthed circuit operating at safety extra-low voltage which is separated from other circuits by
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# n: ?, {& K0 L# q3 l- basic insulation and protective screening' O# I. T& A% ^9 _% ^- B
- double insulation or
3 ]* O; l6 ^3 p: ^, T- reinforced insulation0 Q7 Y; E, e3 j6 }1 ]1 z9 y
, z- U9 q( k7 g2 P, m: Z; u满足上面条件应该是可以的 |
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