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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：$ F; m% S7 ?1 G$ T4 ]. L, S, e+ e
20.10.1 Subclause 5.2.2 of section 5 of IEC 60598-1 does not apply. Internal and external9 B3 k, a+ J( o% n
cables of lighting chains shall not be lighter than the following:5 d: e9 r0 e* W: b4 D7 j9 Q# X
– for Class II ordinary lighting chains and ordinary sealed
2 A0 u- O$ z2 S) ychains8 ]! V( D7 F8 t7 v4 S! q* L5 o2 u9 B6 O
60227 IEC 435 b- c' n6 X5 b7 G- V! F7 w
60227 IEC 52*
' `3 ?1 V& g+ a) Z– for Class II chains other than ordinary, using seriesconnected
0 P# w7 C5 i7 w6 N# ^- A0 zlampholders
( u7 V6 u6 x; ` W9 @60245 IEC 57*: |4 i* i9 e( w, u) ^( g
– for Class II chains other than ordinary, using parallelconnected; G: l' z% `1 r _0 b ]4 e0 j
lampholders and the connection cable for sealed
) i# ]4 h( d7 g1 F6 B: s, slighting chains other than ordinary
) ^- L }5 u c a; Z, I0 W60245 IEC 57*& s4 P5 {( Q! W
– for Class II chains other than ordinary, where the length of
$ V; l/ ~6 y' o& e3 q3 Pcable between the point of supply and the nearest lampholder7 C5 u3 B; E, I
exceeds 3 m – for that part of the cable
0 x$ D% ]7 G* W$ V3 r; p1 f+ g+ r60245 IEC 66
% ]. D9 j! p) A; p. ]& X4 O6 L/ h! v– for Class III chains and parts of chains supplied by SELV and
, g0 [9 f' |: _' [! G2 H* mwith a maximum rated wattage exceeding 50 W
- f9 U" A& B% L4 p+ c) }60227 IEC 42*
0 ]8 T: P5 U, k- `; c y– for Class III chains and parts of chains supplied by SELV, x/ J) z( s, a: e1 r3 t
and with a maximum rated wattage not exceeding 50 W6 r/ p) |* @% A) ^
Insulation according
9 R* K: I6 K( R5 Dto 5.3.1 of 60598-1 D: f5 |. \, `
* The cable may consist of a single core cable provided with a two-layer insulation
0 |+ |( D( e) t& icorresponding to the specified standard sheet. |
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