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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:5 m8 b, ^) S. y0 k/ W% D' C, ?
1. 25Vac or 60Vdc: v- N( G9 }! n' o6 S
2. 不满足1的条件就touch current 有要求.7 N h5 d; }) A/ q
最新版的598 还分了IP20灯具跟非IP20灯具,
% K9 W7 O6 |3 k: m6 V& {* J/ h W非IP20 12AC or 30VDC0 A7 f' ^% l2 \" t# I0 L3 {
10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;) m( [; J! I$ ]6 l3 q
if: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.
! a' q2 A: L: Q Y, i5 ^ Rwhere the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not- q7 |9 I( Z1 r$ H. S- c* v# L1 ~ p
exceed:
- w( s9 {+ m, N9 v2 |– for a.c.: 0,7 mA (peak);
. k" g# U# T- O– for d.c.: 2,0 mA;: z* Z2 [' a+ U+ t8 }) O g
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
' z7 V9 M' P4 t" E* B i( I( X: j+ M" }- i! N. ]
c) SELV circuits may have exposed current carrying parts under the following conditions.
# }* Q, V Q& V! n4 v) s– For ordinary luminaires:,
7 ]! E3 h5 T8 w9 a• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and
( l8 i1 |+ ?) {' S. n4 C. u• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
! n3 _2 \( W. w0 Lwhere the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
; g$ ]% Z/ r. o4 G* e8 |8 q• for a.c.: 0,7 mA (peak);0 s3 g8 S' p3 ^ O6 [, V" Q8 F
• for d.c.: 2,0 mA.2 O Z2 `" x$ U- o. q- G- \: C8 r
If the voltages or currents exceed the values given above, at least one of the conductive
" v% v8 r8 P& q8 Q8 |parts in the SELV circuit shall be insulated by insulation capable of withstanding a test3 p9 f+ g* T, Y! u3 @ v) \. V
voltage of 500 V r.m.s. for 1 min.- p& c" w9 S* \$ s4 t1 e
– For luminaires which are other than ordinary the nominal voltage (under load and under
% ]9 y5 u, E0 T8 q& f fno load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is$ t6 g4 L6 O& O$ G6 ~4 ?
opened for light source replacement, the voltage limits for ordinary luminaires are
' Z" s, C) N+ y9 }& M% w P0 _6 o6 Gapplicable (for parts only accessible during maintenance) |
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