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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：+ a* d, J) T G
1. 25Vac or 60Vdc
( U; q* w) z- a; X2. 不满足1的条件就touch current 有要求." Z$ l0 X0 ?, u' M
最新版的598 还分了IP20灯具跟非IP20灯具,+ i7 [. U+ }* [; r! E
非IP20 12AC or 30VDC
: |( W8 p1 Q6 Y9 q10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;
1 ?1 H5 j/ H+ n# j! u' o# s; y& tif: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.
: b1 }' y5 r0 p+ u6 M% x& Pwhere the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not
) J, W4 Q3 j* u6 b. Vexceed:
' j } i; a c! Z, ]6 J: o n– for a.c.: 0,7 mA (peak);0 B$ H! X% o$ O/ ?% F0 } `
– for d.c.: 2,0 mA;. z9 {3 C2 K! b& c0 h# Q
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.: @& u5 ?- [( S
- J; }+ p7 m! ]
c) SELV circuits may have exposed current carrying parts under the following conditions.7 @# T. @3 g/ g, {
– For ordinary luminaires:,
1 ]* {2 {# l; u+ B5 o# w• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and' Z; m9 N+ `" G5 x
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
! `& u3 @. Z+ `* o+ o5 R1 P. Xwhere the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:1 s) U& f1 ~, G" v
• for a.c.: 0,7 mA (peak);
, n3 J# _6 ?) j3 I7 [• for d.c.: 2,0 mA.4 N* ^( B. j+ `
If the voltages or currents exceed the values given above, at least one of the conductive" A$ B. Y" b+ P. j8 x6 t# ^
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test
; d6 Y7 i& h2 T, Ovoltage of 500 V r.m.s. for 1 min.% c8 ?4 V) w& h+ B4 Z: O( S9 ?' b
– For luminaires which are other than ordinary the nominal voltage (under load and under
* l& B d3 F7 N; T0 d: Fno load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is
# ]' X& }: R" F' C1 |9 G% Jopened for light source replacement, the voltage limits for ordinary luminaires are- k( P$ r3 b. K3 p( _
applicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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