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各位同学!1 _/ X# h3 n& X7 `* t) L
灯具III 结构除了以下要求外,还有别的要求吗?谢谢!, h' a# H$ H2 n* D1 m2 z, B, D0 |
c) Class III luminaires may have exposed current carrying parts in the SELV circuit under the
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7 J! ~! h0 m) J" g– For ordinary luminaires, the voltage under load does not exceed 25 V r.m.s. or 60 V $ D& e9 y0 d# Y0 N' X
ripple-free d.c. and where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch ( w# f, E2 @) x# X8 W
current does not exceed: . P7 D- w9 f4 j% N6 l
– for a.c.: 0,7 mA (peak); 8 \4 ^$ m7 C: t- p0 [) }% b
– for d.c.: 2,0 mA. " r8 Z' Y. Z% ~- r7 J
– the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c. " A9 a4 Q$ X( y( {& t+ l# w
If the voltages or currents exceed the values given above, at least one of the conductive 9 K+ b n& j# Z, j) u
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test / S' n, Y( Z7 e! A" {8 m |2 B
voltage of 500 V r.m.s. for 1 min. ( @% y0 k' W* R3 `0 O! V1 S/ Y
– for luminaires which are other than ordinary, the nominal voltage does not exceed 12 V S% J7 ^* a: F/ _
r.m.s. or 30 V ripple-free d.c.
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