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各位同学!
: E1 o3 ]2 G- D+ W灯具III 结构除了以下要求外,还有别的要求吗?谢谢!; W$ ]' h# ?, w6 s& b
c) Class III luminaires may have exposed current carrying parts in the SELV circuit under the * g1 J" K% c# w9 o; k$ z% p0 o" T* h
following conditions.
2 K! t0 ^5 Y' _. c- I$ B7 J– For ordinary luminaires, the voltage under load does not exceed 25 V r.m.s. or 60 V
( H1 g' o( Z2 B: a$ vripple-free d.c. and where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch
- i) q. @! t% p5 y) W% I6 Tcurrent does not exceed:
) R1 p# t& O, ]7 c9 y: o– for a.c.: 0,7 mA (peak);
+ f: `9 H- b! A& @. E+ Y– for d.c.: 2,0 mA. ; C& f& @1 f0 t2 r- H
– the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c. 1 r2 }$ o' O5 K* c7 T" H7 X
If the voltages or currents exceed the values given above, at least one of the conductive
% ~9 x8 W9 b8 W1 r+ M+ p5 Bparts in the SELV circuit shall be insulated by insulation capable of withstanding a test
0 C9 r* M& G, x- o$ e5 { Rvoltage of 500 V r.m.s. for 1 min.
7 U( T P n: P: o– for luminaires which are other than ordinary, the nominal voltage does not exceed 12 V
' P8 x+ B- t; K& Lr.m.s. or 30 V ripple-free d.c.
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