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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：
# p* @! G4 u1 b$ q: e3 H5 o! C9 ^1. 25Vac or 60Vdc
' }3 r% t4 p9 n* a6 i/ T2. 不满足1的条件就touch current 有要求.
8 h4 X# i( m$ i: t4 G `$ p, X最新版的598 还分了IP20灯具跟非IP20灯具,2 O* {2 o3 w/ I( k! O# l0 v& j! p
非IP20 12AC or 30VDC7 I5 H. E7 L" C
10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;# ^* a: N6 b9 \0 A# {! d
if: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.
) k$ ?3 `: \) |where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not
9 w+ U1 g6 O; n7 u1 f6 E/ wexceed:
' F. ~- c, ~6 ^2 W– for a.c.: 0,7 mA (peak);& A7 }: H7 M8 X7 N. \& J1 [- E* j
– for d.c.: 2,0 mA;$ ^- H* P1 I5 ~) j& K
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
# U9 M, O8 k; X+ Y" g }( s& L ?2 G, o' _" T5 K$ U
c) SELV circuits may have exposed current carrying parts under the following conditions.+ G* g& c# D" p0 ~5 [: y J5 u
– For ordinary luminaires:,! Y# v# G. A% }" i- X U
• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and' h0 k# I1 S7 m9 Z, y. ^) e
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
( e( S! [( Y* |! ]) gwhere the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
* D, F8 A" F- h6 F) Y• for a.c.: 0,7 mA (peak);9 ]! n: y0 e$ W' h; C
• for d.c.: 2,0 mA.
' G0 R. g8 e; W2 }8 dIf the voltages or currents exceed the values given above, at least one of the conductive/ e$ x5 o2 u" |- B5 j% I' h
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test
# B4 Q( ?* y3 o) ]voltage of 500 V r.m.s. for 1 min.2 L9 i) B6 j; r$ L
– For luminaires which are other than ordinary the nominal voltage (under load and under( a, j v) \$ H1 A# x9 E! n7 ~6 a
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is
6 S: D3 M% }3 H/ {opened for light source replacement, the voltage limits for ordinary luminaires are
0 \$ F% W. i& Wapplicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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