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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! r7 t: `6 O, Q+ m) j$ q
1. 25Vac or 60Vdc7 O- `9 |( L/ c3 b# G1 l
2. 不满足1的条件就touch current 有要求.
( J' a- o# B$ A2 I最新版的598 还分了IP20灯具跟非IP20灯具,- `& Q2 g3 }% R e- m0 R. C1 c7 X# ?
非IP20 12AC or 30VDC
4 T" W! n' k$ l10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;0 v. p/ P( Q9 l7 |. {
if: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.; l$ G& u2 x d' B; z5 [
where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not
7 j8 P, I" @- v" a M! x2 H0 Bexceed:3 j' L5 V- N$ I
– for a.c.: 0,7 mA (peak);! c8 r7 J4 t1 x, A6 a4 q) J
– for d.c.: 2,0 mA;# |( W7 \( d! E, k: u! e3 F
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
, P _: D" b3 G3 ]+ G' \, j5 |2 E5 U) g2 R; f3 j
c) SELV circuits may have exposed current carrying parts under the following conditions.; W* H+ F6 d3 b+ A" a/ V+ `
– For ordinary luminaires:,
/ ?/ s- O. G$ m' Y• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and
: b. @( G/ N8 l/ _• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
6 K: L9 B9 X- ]4 m9 O; T6 `where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:% G# V6 \* l {: V* O: j8 e0 e
• for a.c.: 0,7 mA (peak);( Y3 Q6 l% w9 D A, B6 ^5 J
• for d.c.: 2,0 mA.5 n; h" g( U& t: T; z! K5 s4 L
If the voltages or currents exceed the values given above, at least one of the conductive
+ h; P+ }" p; |( f# r$ T( jparts in the SELV circuit shall be insulated by insulation capable of withstanding a test1 J! b; ^0 I4 d# f1 U$ Y, a
voltage of 500 V r.m.s. for 1 min.! I, s! j5 }' u) P0 _1 r! ?' b
– For luminaires which are other than ordinary the nominal voltage (under load and under3 R1 ^4 a6 l/ x# H4 y
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is. o% _! m6 C8 a- ~# F3 M' D
opened for light source replacement, the voltage limits for ordinary luminaires are
0 I0 n9 _% \: v8 }4 y% tapplicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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