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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：( ~2 O8 t' D3 q$ X8 ?- k4 v1 z& D
1. 25Vac or 60Vdc
) \$ A R) P, H8 J2. 不满足1的条件就touch current 有要求.+ _6 `0 I. z3 ]7 g1 G
最新版的598 还分了IP20灯具跟非IP20灯具,' } ^$ b" Q7 \
非IP20 12AC or 30VDC# l' J5 A" A" C- e# M1 n% O8 z1 _
10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;
/ N1 _. B, T6 A0 [. Gif: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.
8 B3 e. H7 N Q/ F/ q2 X0 mwhere the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not
+ e8 o3 _$ X+ u9 ~" oexceed:8 g# {+ L# J1 d$ y2 i3 X8 d
– for a.c.: 0,7 mA (peak);5 e; Y$ b/ S9 o9 p/ i' _
– for d.c.: 2,0 mA;3 {2 C$ M0 U0 ~0 ?# J/ T$ R
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.' Q* P/ ~. j1 ?5 t
1 R* n4 m. W1 s2 b! Q/ U3 B3 H) O0 T
c) SELV circuits may have exposed current carrying parts under the following conditions.
5 U- _6 K1 g% {2 E0 r W– For ordinary luminaires:,7 S# q* D, \# U; [& x" ?! I
• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and3 i1 Y' m% z# F) O1 Z
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.4 H4 G2 G! J- ^6 s: b9 b' m
where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
t# B& i1 e2 Z5 A• for a.c.: 0,7 mA (peak);
' o6 k: w: g) M D5 g• for d.c.: 2,0 mA.. r' y% D2 U7 H
If the voltages or currents exceed the values given above, at least one of the conductive @$ ]7 L' @ t) j- X: G
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test
) Z$ x" b ~ o; Y+ Yvoltage of 500 V r.m.s. for 1 min.
" d5 A+ r+ H; d+ V2 U4 K" `/ g– For luminaires which are other than ordinary the nominal voltage (under load and under2 I: \( C) y4 ^$ R
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is/ d' O$ G! l2 Y2 R" p7 o$ P
opened for light source replacement, the voltage limits for ordinary luminaires are
0 v4 n% m/ d% l6 ]4 t5 h! B$ iapplicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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