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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 O. z6 ^! P5 ]8 l3 W: t1. 25Vac or 60Vdc& [ g0 \6 A) b5 V8 J& a- e
2. 不满足1的条件就touch current 有要求." T% A, P# z2 [
最新版的598 还分了IP20灯具跟非IP20灯具,
1 c& q$ N3 a0 T% X% s. S" R非IP20 12AC or 30VDC
0 P7 a+ C3 v8 f10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;- K8 f6 t9 `0 R
if: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.1 A/ F$ p+ C2 C; M* ]
where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not$ D$ _/ d: v R
exceed:
5 O8 t) J8 g+ C* k– for a.c.: 0,7 mA (peak);! i8 X$ X$ ]/ u: R
– for d.c.: 2,0 mA;
! q4 e5 Z$ S$ E. _– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.9 i: N+ q" ~# V/ @! U O
2 A$ t6 g* v0 O. {. \
c) SELV circuits may have exposed current carrying parts under the following conditions.
+ h. f Q% N7 z, A" ~– For ordinary luminaires:,
! `6 l0 }% s' E: e; S: \2 X• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and/ {( L/ v! {. Q( }, E. g
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
$ ~8 S( U, j" y7 n" m7 [where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
+ r2 ]: Q6 E4 ^) D+ ^- H& R8 I7 r• for a.c.: 0,7 mA (peak);
E2 Y) N# @( u$ B1 O/ g# D a4 [• for d.c.: 2,0 mA.
' J# T: C1 M1 Z! e7 HIf the voltages or currents exceed the values given above, at least one of the conductive
% N/ `: v( v8 cparts in the SELV circuit shall be insulated by insulation capable of withstanding a test
$ l) Z8 g& {) [4 W; Wvoltage of 500 V r.m.s. for 1 min.' T9 |9 @( o: K0 z+ M. F: H; M
– For luminaires which are other than ordinary the nominal voltage (under load and under
* Y: r8 w [8 @: u* Gno load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is; m) [4 n' G+ {2 H# O
opened for light source replacement, the voltage limits for ordinary luminaires are
2 I$ |: P7 |. x' ^ D) H4 dapplicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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