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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：
: h. Q3 K# @4 I/ |% k( F1. 25Vac or 60Vdc
- G+ c9 n0 {4 Z& T" T7 b4 v& o2. 不满足1的条件就touch current 有要求.: M7 X1 X- \8 i2 W
最新版的598 还分了IP20灯具跟非IP20灯具,
, { Y& L+ W; |- t# g: T4 B, S0 e非IP20 12AC or 30VDC
, q+ O6 e# P6 O0 n7 v10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;
, [8 \+ F4 m6 I9 Rif: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.$ h( C( J+ o& x% C
where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not! i& o. u z, y) v
exceed:+ j% C0 V0 C! }
– for a.c.: 0,7 mA (peak);3 n# n! _2 z) B" H) P
– for d.c.: 2,0 mA;
: ~ D! S2 _+ Z# t/ E! M– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
8 B" t+ \. |) Q# n. [8 {" L d. B! ~7 j$ A/ T
c) SELV circuits may have exposed current carrying parts under the following conditions.4 |9 X% |; a5 h) O' g1 g
– For ordinary luminaires:,# N3 o8 g" ^% f3 N6 T S
• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and# v/ f( M/ X+ `* _- d7 T
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.9 D' E" V" [, t2 F0 f
where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
% c) L. E4 x4 X& f• for a.c.: 0,7 mA (peak);; N# o0 `8 T2 b E2 E
• for d.c.: 2,0 mA.
# H I! X! i T6 @7 HIf the voltages or currents exceed the values given above, at least one of the conductive
^+ h% ~. p: e5 s" Mparts in the SELV circuit shall be insulated by insulation capable of withstanding a test) t" ^: t* g) q+ q! r
voltage of 500 V r.m.s. for 1 min.' p+ b& \+ L2 S) G K% s& f0 |
– For luminaires which are other than ordinary the nominal voltage (under load and under
$ @- I' c, r5 E- v* gno load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is5 T$ ~" Z( }( e& g+ A0 h, m
opened for light source replacement, the voltage limits for ordinary luminaires are+ d- ^: i5 G: q+ U0 i
applicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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