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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:
0 d( \; |( {9 D) V* q1. 25Vac or 60Vdc) W9 n& N' Z, s
2. 不满足1的条件就touch current 有要求.
! D; {0 E! z" `9 O% h$ @最新版的598 还分了IP20灯具跟非IP20灯具,
2 I& V& L' R, y6 G非IP20 12AC or 30VDC
! F8 L' Z$ [' S$ W$ _0 ^, z10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;
. `% V9 n5 c" Nif: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.+ q+ y& O, a5 p
where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not% O, o2 ~9 f" B1 m/ m# B# Z
exceed:
: s4 o/ i( h+ F: L– for a.c.: 0,7 mA (peak);7 X1 a: P9 `& B1 E: I
– for d.c.: 2,0 mA;+ h. {7 i+ {6 z! r& N
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
# L! ^. S' t7 ~8 m! }8 u6 S j: n! z" B0 X
c) SELV circuits may have exposed current carrying parts under the following conditions.
) Z- f" p a; {5 Q% t- w+ ^/ m– For ordinary luminaires:,
( N+ P& K9 R+ Y7 L @! d• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and
! I& z0 S O$ {8 M& R( z% z• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.9 T1 s$ H' T" g. e9 ?
where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
. J2 |4 |* _2 V- h• for a.c.: 0,7 mA (peak);
' O: n" F% b W+ T' R• for d.c.: 2,0 mA.
% P: G- {! b3 o0 L" JIf the voltages or currents exceed the values given above, at least one of the conductive
5 W& M2 d0 l: Y# n& N! c8 F5 V7 U; K/ yparts in the SELV circuit shall be insulated by insulation capable of withstanding a test! B3 U& e: B' _6 Y4 v4 w6 v* {
voltage of 500 V r.m.s. for 1 min.$ x `4 J* A5 y
– For luminaires which are other than ordinary the nominal voltage (under load and under/ i4 r i% {/ S+ t; o
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is* H3 Z& G9 S8 R& z9 h E
opened for light source replacement, the voltage limits for ordinary luminaires are
7 k- K& r9 X+ u2 ~" f: S2 yapplicable (for parts only accessible during maintenance) |
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