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没看过GB的, IEC 61347-1 以及 IEC 60598-1 都是满足下面2个条件一个就OK：
, | V& `9 K- E7 X# h7 R F1. 25Vac or 60Vdc8 l+ K# e# U3 A+ q2 g
2. 不满足1的条件就touch current 有要求.# \6 O+ q0 G& z( X* e7 z- Y
最新版的598 还分了IP20灯具跟非IP20灯具,
2 z& G' [+ c0 z9 Z4 O2 u非IP20 12AC or 30VDC% }3 g% R$ l* b1 y$ @
10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;
( r6 q" |- @% G7 Aif: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c./ ?: B; }1 A, {# j; B
where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not" f( e" @5 y& U; K1 N& p- u
exceed:9 v3 w( w% u4 Y5 z: k
– for a.c.: 0,7 mA (peak);
4 A8 d M( O0 ~- k6 k8 y8 M– for d.c.: 2,0 mA;
+ U1 Y' C" M+ Z/ f– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
- D( Q& j% J' m( {
{3 X- H [% Y' v# v9 |c) SELV circuits may have exposed current carrying parts under the following conditions.8 G- k, {- V4 L
– For ordinary luminaires:,
# D; e2 c0 M3 }$ c' v7 j; \" ]• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and/ p; X: ?+ }% ]2 M
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
; I( `0 G3 ?! |2 ?/ a' pwhere the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:6 s( _0 |# O" l1 I
• for a.c.: 0,7 mA (peak);% ?7 I+ z% d# F
• for d.c.: 2,0 mA.
2 Z2 M* J+ o6 m# {1 l4 ~If the voltages or currents exceed the values given above, at least one of the conductive
. C4 J" v& K. n2 V8 I5 wparts in the SELV circuit shall be insulated by insulation capable of withstanding a test
6 o! F& }2 x- k0 a5 ]voltage of 500 V r.m.s. for 1 min.% M. e# u9 k& L8 w4 S+ t
– For luminaires which are other than ordinary the nominal voltage (under load and under( U0 I) [# i6 c' U2 O( ?! S
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is
/ Y: l# ?( k2 i0 H( ]opened for light source replacement, the voltage limits for ordinary luminaires are
; h9 {( i. l! _5 n kapplicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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