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cmk1991 发表于 2016-1-17 18:02
0 T! z) h. i/ P E0 a2 O# H5 U! jIEC 60335-2-53
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22.2 Addition:
: {2 c+ P3 \9 B$ G0 L5 {Sauna heating appliances shall incorporate a switch that provides all-pole disconnection and complies with 24.3.
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24.3 Switches intended to ensure all-pole disconnection of stationary appliances, as required in 22.2, shall be directly connected to the supply terminals and shall have a contact separation in all poles, providing full disconnection under overvoltage category III conditions. |
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