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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：/ y& K" y4 B, z A) L2 {! h) `' \1 y
20.10.1 Subclause 5.2.2 of section 5 of IEC 60598-1 does not apply. Internal and external
: |$ b* f/ f/ ~8 N+ a' ^cables of lighting chains shall not be lighter than the following:
) J$ W! h% \' a3 t– for Class II ordinary lighting chains and ordinary sealed
" M& [; h% e; Dchains. Y8 ^7 a8 m( i) q' i& a5 g, s
60227 IEC 430 A/ _! U7 H' X& r- s# w
60227 IEC 52*
3 s) t. K; H0 M/ O1 ^! N, H– for Class II chains other than ordinary, using seriesconnected I G% j0 j6 z9 l" T
lampholders
$ C# n) Y* G) R; Z4 Y60245 IEC 57*
+ y3 B j2 G) ^- K. h– for Class II chains other than ordinary, using parallelconnected
, a; O( j) |" K4 Blampholders and the connection cable for sealed
0 i/ t& x) `1 tlighting chains other than ordinary# A9 b6 c5 F! o' Z; @. h7 O6 n# Q
60245 IEC 57*$ q" w$ x( X$ o% h5 z% a
– for Class II chains other than ordinary, where the length of
0 i- G7 I$ }# {0 W3 E: Gcable between the point of supply and the nearest lampholder# t' ]* c9 E. f0 `6 t Y
exceeds 3 m – for that part of the cable
. p, P8 w, x% }, U9 w9 r) l4 X1 S60245 IEC 66
3 i1 V5 ~. ?7 \– for Class III chains and parts of chains supplied by SELV and
2 E# c0 [$ _3 R$ h2 ]8 a: Iwith a maximum rated wattage exceeding 50 W
+ l* u, |& S+ _$ S60227 IEC 42*
, P4 o" m& N/ K# S" \1 C) M# x0 s– for Class III chains and parts of chains supplied by SELV# h( Q( E3 q$ C" G
and with a maximum rated wattage not exceeding 50 W
m2 j; t* }- v7 H8 X% gInsulation according
. n5 [, t! ^) w- Oto 5.3.1 of 60598-16 f+ x3 G) O3 X, C4 i4 s
* The cable may consist of a single core cable provided with a two-layer insulation; l8 E4 l. W, E1 E" |% J# k! V3 `
corresponding to the specified standard sheet. |
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