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发表于 2009-6-1 21:36
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今天终于找到答案了，功率小于50W的III类灯串的导线绝缘只要满足5.3.1 of 60598-1的要求就可以了，下面的内容供大家参考：% F4 K! f- D6 t/ }
20.10.1 Subclause 5.2.2 of section 5 of IEC 60598-1 does not apply. Internal and external# K2 f+ B$ }# P0 g+ K! @; ?
cables of lighting chains shall not be lighter than the following:. I; P- c0 R+ h$ a/ e0 j. [
– for Class II ordinary lighting chains and ordinary sealed
$ W6 Q; X/ P% Echains! \) k2 h$ Y9 p0 G8 l6 z
60227 IEC 43* g+ n0 Q/ L1 w1 u
60227 IEC 52*
! P" S( P4 g) d) O4 E– for Class II chains other than ordinary, using seriesconnected& a2 W% `& U1 C" W7 U) ?
lampholders5 ~# W: C1 a4 e# d" K
60245 IEC 57*8 o9 l6 z' c1 J. w8 }+ F5 M% }
– for Class II chains other than ordinary, using parallelconnected9 @* Z. q" o$ C
lampholders and the connection cable for sealed- `* h1 |3 A& L$ |' d" K
lighting chains other than ordinary
- o& ] h# Y" w% G3 t9 L60245 IEC 57*
) K' A' V: H* I1 a9 Z: ~– for Class II chains other than ordinary, where the length of7 }. ]) d( a' V
cable between the point of supply and the nearest lampholder* N6 R# c# k/ W: a5 L
exceeds 3 m – for that part of the cable' T" d3 V' y, c& ?4 \4 K; C1 G
60245 IEC 66& ^6 ?$ W8 a- r4 W3 ^( Z& X
– for Class III chains and parts of chains supplied by SELV and
- ]6 j p( |' Q9 _& m& _2 fwith a maximum rated wattage exceeding 50 W
+ [. F. F/ V2 H* a' W60227 IEC 42*# m+ X3 w5 U; w% K
– for Class III chains and parts of chains supplied by SELV
- t8 L# f6 q+ _$ c- P: |& a' tand with a maximum rated wattage not exceeding 50 W7 D4 p6 o3 n/ Z
Insulation according3 t. R4 E2 f, D. [
to 5.3.1 of 60598-1' ^: G' {! o' Y% z: o+ P
* The cable may consist of a single core cable provided with a two-layer insulation
8 g6 z; q7 |4 n0 C1 ]% h# K# R0 lcorresponding to the specified standard sheet. |
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