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cmk1991 发表于 2016-1-17 18:02 8 J- V! d# q6 {: @& n" H5 ]
IEC 60335-2-53
' ~9 o: @. v* ^% Q e& o% Y, D0 w" B必须要全极开关(60335-2-53 clause 22.2), 不可电子开关(60335-1 clause 24.3)
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22.2 Addition:! m- s/ S7 c/ _0 L5 m! E) f) t
Sauna heating appliances shall incorporate a switch that provides all-pole disconnection and complies with 24.3.3 e! t. a. y2 ~0 P. ?: _* j% O9 a
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60335-1
' D, W$ c( z8 v2 |" D4 p' P* n24.3 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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