kennykkou 发表于 2021-5-23 22:02

Class Ⅱ 与 Class 2 有何区别?

请问Class Ⅱ 与 Class 2 有何区别?

madeinnp 发表于 2021-5-24 07:57

Class Ⅱ 是绝缘类型,指的是初级和次级之间是双重/加强绝缘隔离。 Class 2 是UL 标准中的一种器件/产品的分类,指的是满足绝缘,耐压,过载等一系列要求的器件或产品

kennykkou 发表于 2021-5-25 07:29

madeinnp 发表于 2021-5-24 07:57
Class Ⅱ 是绝缘类型,指的是初级和次级之间是双重/加强绝缘隔离。 Class 2 是UL 标准中的一种器件/产品的 ...

谢谢
请您举例说明指导

madeinnp 发表于 2021-5-25 07:55

UL5085-3相关条款说得很清楚

kennykkou 发表于 2021-5-26 07:38

可提供UL5085-3?
或节录该说明
谢谢

fasten 发表于 2021-5-26 16:56

UL1310:
5.3 CLASS 2 – A source having limited voltage and energy capacity. Requirements for voltage and
energy capacity limitations are as indicated in this standard. See the Maximum Output Voltage Test,
Section 28, and the Output Current and Power Test, Section 30.

IEC62368-1:2018
3.3.15.2
class II construction
part of an equipment for which protection against electric shock relies upon double
insulation or reinforced insulation

Frank1991 发表于 2021-5-26 19:23

标准不同,含义不一样

kennykkou 发表于 2021-5-27 07:45

fasten 发表于 2021-5-26 16:56
UL1310:
5.3 CLASS 2 – A source having limited voltage and energy capacity. Requirements for voltag ...

Dear fasten
Thank you so much !

jtt1471025811 发表于 2022-10-26 17:50

学习到了

浪漫罗丹 发表于 2024-10-12 17:47

学习了:lol:lol:lol
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