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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：# _7 J' R+ Y) O6 w, L+ @1 n
1. 25Vac or 60Vdc$ q9 t- m y1 r c( g
2. 不满足1的条件就touch current 有要求.2 Y+ {4 p+ i/ Y& r
最新版的598 还分了IP20灯具跟非IP20灯具,- c% I+ g" {" D; c
非IP20 12AC or 30VDC6 N/ z, \0 q R! c+ ?" Z4 I8 U
10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;( ~; e3 m n/ l% i2 u: w
if: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.
2 R/ v) \" g: G0 d% Gwhere the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not1 y1 K5 X# _0 C l
exceed:
2 L( r$ L! b, i( V S# x1 z– for a.c.: 0,7 mA (peak);
3 g9 q2 m. y8 i9 i– for d.c.: 2,0 mA;3 [ D3 F( H5 c- Q
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
* l$ ?9 L ^! s2 q8 T
0 k" P) h0 M1 _3 ^5 Zc) SELV circuits may have exposed current carrying parts under the following conditions." X0 J. U; t9 M- S
– For ordinary luminaires:,
3 C! G& ~# s, Z; L! [• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and+ B# a4 t' y0 W) p1 F3 d* m
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
, B _( }% `" u; H8 Z3 ?where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:' ?# K7 u4 W5 `, O
• for a.c.: 0,7 mA (peak);
* E9 I8 U2 P) X9 e# R- U+ ^' P• for d.c.: 2,0 mA.* {/ v3 C8 L. s- [' p
If the voltages or currents exceed the values given above, at least one of the conductive( G/ O6 C0 p3 Y/ k o4 z
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test* R- f' l$ p5 e7 t& L$ B
voltage of 500 V r.m.s. for 1 min.
4 n/ m( p; v/ {– For luminaires which are other than ordinary the nominal voltage (under load and under# S. t6 Z) U$ O Q
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is
" t0 T& b/ \. j& B7 N' Copened for light source replacement, the voltage limits for ordinary luminaires are5 k0 ~4 {" \) S
applicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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