标题: 灯具III 结构的要求 [打印本页] 作者: 520168 时间: 2013-1-11 15:16 标题: 灯具III 结构的要求 各位同学！ 4 ?* h, K5 ^5 f% q( ]& a灯具III 结构除了以下要求外，还有别的要求吗？谢谢！ " z5 S2 j, w. \2 tc) Class III luminaires may have exposed current carrying parts in the SELV circuit under the / ]9 a, w. w/ g0 _* Q% |
following conditions. & [$ s& d& F h" f– For ordinary luminaires, the voltage under load does not exceed 25 V r.m.s. or 60 V 5 ^7 y _1 q" mripple-free d.c. and where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch # Z+ J* l# j0 A
current does not exceed: , T( x9 }8 ]# @- k9 W* b
– for a.c.: 0,7 mA (peak); ( }$ W4 ^( `0 i/ N– for d.c.: 2,0 mA. + o+ ^* ^" u$ h& f2 F p) s7 ?/ {
– the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c. 0 V- a h; E" H' g& ~9 f6 [- h If the voltages or currents exceed the values given above, at least one of the conductive 1 h9 L+ W. ?! @2 u
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test 7 `/ ~! p# l; q. Vvoltage of 500 V r.m.s. for 1 min. 1 u, c! q) E+ q0 A– for luminaires which are other than ordinary, the nominal voltage does not exceed 12 V 2 E( H3 h7 P, v6 v8 D! D5 M) ^3 Nr.m.s. or 30 V ripple-free d.c. : n, o- _! J; T3 S3 N @' K, g作者: jsspace 时间: 2013-1-11 15:35
你说的这个只是SELV裸露的要求。 作者: elva3100 时间: 2013-1-14 13:22
楼主，这个是哪个标准里面的啊？作者: 向进华 时间: 2013-1-16 20:05
一条一条肠子，一句都看不懂作者: 楚人美 时间: 2013-2-16 10:40
这讲的是啥条件下SELV部件能裸露
