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本帖最后由 zylyr2001 于 2019-4-10 09:29 编辑
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% N' u; F* W% V$ J6 t5 Q你的这段话是出自哪个标准？怎么我看到的是这样的：# c: n5 E4 j8 O% r8 I) p
3.3.12 5 c6 z4 r5 A4 a* E
class III appliance
" k2 o9 h3 }" o: Iappliance in which protection against electric shock relies on supply at safety extra-low : h8 W3 K& G( b3 B, b
voltage and in which voltages higher than those of safety extra-low voltage are not
1 G. F! `) @0 hgenerated
3 o7 z! ?1 l' k$ x0 sNOTE Basic insulation may be required in addition to supply at SELV. Refer to 8.1.4.
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+ g* C- @, J$ ]1 w% G, C但是IEC60335-1里还有这样一句：" g9 }; m& g- K- M
6.1 Appliances shall be of one of the following classes with respect to protection against
6 r8 S( ?+ p8 Y7 X2 Ielectric shock: z/ q. g$ ~& G5 k$ B
class 0, class 0I, class I, class II, class III.
8 G% `5 V7 e' k7 m2 T' D* cIf an appliance consists of a part of class III construction and a detachable power supply ; A) A+ A, @2 ~; z5 X: w4 E& D
part, the complete appliance is classified as a class I appliance or class II appliance in + F8 o& d' Q* R4 z0 h
accordance with the classification applicable to its detachable power supply part. / r( a4 m. [% X/ a
如果按6.1的定义就是三类结构+可拆式适配器，整机的防护等级就取决于适配器的防护等级了，不是一类就是二类，不可能是三类。9 V) l$ P; R) E y! r
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发表于 2019-4-9 21:30
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