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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：* S+ z+ a5 {" ]+ ]: x
1. 25Vac or 60Vdc
) K' C. p% P( a( v3 B8 m: L% [, g2. 不满足1的条件就touch current 有要求.( F$ k* u3 c' K5 j$ w
最新版的598 还分了IP20灯具跟非IP20灯具,/ J2 x( O& Q8 v {) C
非IP20 12AC or 30VDC4 D& i1 A2 I( T5 I
10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;
( O+ h, b* F: q' H6 oif: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.
. z: F/ H8 J' j4 fwhere the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not' x- t5 r, }3 Z2 d* [+ t) U
exceed:
; y& d# K4 E- b# O% D– for a.c.: 0,7 mA (peak);
0 G' L! w! U3 u/ d1 t– for d.c.: 2,0 mA;7 G4 I' K: ~5 [% L, n
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.& |6 M, i) }1 P9 W. o
# `7 e2 T4 p0 {. M* V. Pc) SELV circuits may have exposed current carrying parts under the following conditions.
! G! e* W7 G; F- _( o– For ordinary luminaires:,, _' p' X0 s) @( E+ {7 N
• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and
3 j a# G0 ]+ {+ Z• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
& w- ~& Z y! \- ?7 @where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:# ~8 U/ N$ x5 y: h: v
• for a.c.: 0,7 mA (peak);
" }, x, I, i; }# c4 Q' D% ^! K% z• for d.c.: 2,0 mA.
' D' U5 g4 v4 k( H3 Z+ v$ WIf the voltages or currents exceed the values given above, at least one of the conductive" K" C$ p, n' n4 M/ s
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test
" D$ @2 G6 ]9 L. evoltage of 500 V r.m.s. for 1 min.7 R, k) B- h7 A; l( k" M/ Y
– For luminaires which are other than ordinary the nominal voltage (under load and under; b2 ?5 E) J# `6 |7 T7 `0 B2 [
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is6 ~' a5 p( n1 T5 ]+ F" q% E
opened for light source replacement, the voltage limits for ordinary luminaires are( C# { |3 G6 A" D1 G
applicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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