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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：
6 |/ l" r9 _" ? J& A1. 25Vac or 60Vdc
3 ]1 H9 d2 o* z k. l6 ^9 S2. 不满足1的条件就touch current 有要求.: C( m' A6 M% z
最新版的598 还分了IP20灯具跟非IP20灯具,
& x2 |4 U' F1 O0 ?5 X非IP20 12AC or 30VDC
8 F8 D2 F% k0 [- {* G10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;
& P% _8 f9 N! o# u8 Q- y( U1 Yif: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.
' v0 G1 ]6 x7 {' R9 U' uwhere the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not; N/ T( K* S, S1 ^
exceed:
" O6 l) d# ^! q3 Z0 l7 t7 x1 g– for a.c.: 0,7 mA (peak);% O) _: `4 |5 J0 J
– for d.c.: 2,0 mA;3 h& w. J8 s" E8 u' ^0 ~% |
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
2 E. f* s* k0 a; G
; K% w* V% X( N6 V* P+ @c) SELV circuits may have exposed current carrying parts under the following conditions.8 X4 i/ @% [6 j, k
– For ordinary luminaires:,2 a1 o. s/ y9 |4 q3 H
• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and
5 ~/ ]8 l5 m/ p: y8 n% L• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
, d8 a' e! E* _" s# Vwhere the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:6 h9 d+ x+ J7 n) a. X
• for a.c.: 0,7 mA (peak);
& D; F, y3 v7 \• for d.c.: 2,0 mA.8 C; s$ [- i7 O
If the voltages or currents exceed the values given above, at least one of the conductive( }0 M3 b" u- K c S" P
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test
- e l! O+ F2 M+ Cvoltage of 500 V r.m.s. for 1 min.2 M) v# t5 }4 C; V) E
– For luminaires which are other than ordinary the nominal voltage (under load and under6 |) M, B! ?* _; O# I( y
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is
+ w3 t& Q- j$ C$ w; m2 topened for light source replacement, the voltage limits for ordinary luminaires are
0 H4 Z7 T9 i$ |9 z; vapplicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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