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开关电源后端输出应该是SELV吧,接地变成PELV7 T3 e [. g4 Y0 X) W/ Z4 T
: ?: l1 ~" }0 p! V3.4.4 protective extra-low voltage circuit
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* b1 r- @1 T3 B4 c2 jearthed circuit operating at safety extra-low voltage which is separated from other circuits by
2 \- h# e, n3 V" I7 x, Q: R3 F
9 q2 U8 E$ h e9 y/ C# K& q- basic insulation and protective screening
7 H+ a6 ^ U1 S. ~- a |- double insulation or
' B: F7 \0 W- I% n; E" _- reinforced insulation' s2 d/ d, _8 L2 D; y
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满足上面条件应该是可以的 |
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