|
cmk1991 发表于 2016-1-17 18:02 : [, q1 o. r: }5 q0 }8 k3 O+ z
IEC 60335-2-53
. q s, O& g, D/ B/ W& |. R6 j u必须要全极开关(60335-2-53 clause 22.2), 不可电子开关(60335-1 clause 24.3)5 {" y* I3 E+ O% E! Z3 ~! N
3 E8 S& w2 f( u7 C2 V
6 x0 l) B' a5 L# M' J: Z60335-2-53$ R* t1 v j# Y2 V* m3 |8 Y
22.2 Addition:# m- B3 f* m3 Q2 k/ G
Sauna heating appliances shall incorporate a switch that provides all-pole disconnection and complies with 24.3.. I G/ N! a0 W
/ C3 `. r# K% z2 D! q* `* m
! h. _0 V6 S( I: }. k
60335-1& H9 q }/ B. {% ~& A
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. |
|