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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：
/ T4 r% B3 v0 S& R$ \ ~, |* E1 y20.10.1 Subclause 5.2.2 of section 5 of IEC 60598-1 does not apply. Internal and external" R5 W5 y8 |3 L
cables of lighting chains shall not be lighter than the following:% ?$ I1 u' E2 q$ U" @0 n" z3 }+ }
– for Class II ordinary lighting chains and ordinary sealed
* N# M0 }; u+ X! {chains; A! M" n9 \6 W% A
60227 IEC 437 U' O0 M+ M* g% l! m4 p0 l1 q9 ^
60227 IEC 52*$ U' K- H( ]1 T1 x5 E6 J
– for Class II chains other than ordinary, using seriesconnected, [; {9 p7 c8 f4 F0 t
lampholders
* G' j; }2 t2 F60245 IEC 57*, c( S7 y' ^) R; M
– for Class II chains other than ordinary, using parallelconnected4 W9 l, f# [" B0 e; W
lampholders and the connection cable for sealed2 N) V3 x" m" t/ S' C! @9 Y' d
lighting chains other than ordinary8 ]2 U& N8 C) e% t' L& T
60245 IEC 57*, I5 s1 E k7 H: v/ \. h. z
– for Class II chains other than ordinary, where the length of
; v! N% s$ L4 |cable between the point of supply and the nearest lampholder
p3 l6 W6 g% M( c# Texceeds 3 m – for that part of the cable4 m% h& q |% C
60245 IEC 66" B: ]2 Y; I4 d, ?4 y2 l& M) Z- Z
– for Class III chains and parts of chains supplied by SELV and
`7 b5 n2 o5 d8 owith a maximum rated wattage exceeding 50 W' N# W, C$ v+ Y) i8 v% | M: U
60227 IEC 42*
- f' ~7 Y( f5 i g( d9 j– for Class III chains and parts of chains supplied by SELV. e' e( h3 R( {4 {0 ]( q
and with a maximum rated wattage not exceeding 50 W
( T: r: [; B( r& O) H( hInsulation according
: F: M2 P$ W4 |1 v4 ?( Z. c3 X; {to 5.3.1 of 60598-1
$ v- l! b6 {& C8 @; B; G4 j* The cable may consist of a single core cable provided with a two-layer insulation+ y9 v: ]0 O! Z7 ]# h8 ^
corresponding to the specified standard sheet. |
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