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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：
) \% P5 p4 E R+ N# ~4 M3 e0 i1. 25Vac or 60Vdc9 f/ [( u( S2 M1 B
2. 不满足1的条件就touch current 有要求.
: j0 i$ W# Y0 ?最新版的598 还分了IP20灯具跟非IP20灯具,
# s7 z% u1 y+ D3 X非IP20 12AC or 30VDC, S9 G) u0 v' B4 D( z2 t( ?( E. A
10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;1 z* i( S! A: N- ^, N
if: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.5 X4 S# \9 f1 u# }5 @- l
where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not
# m# `8 L, I1 I/ h3 Gexceed: ^0 X0 s" Y' J1 Y
– for a.c.: 0,7 mA (peak);
1 G, N% N6 W; C5 q– for d.c.: 2,0 mA;( `/ Z f: s! O2 [$ W5 ^2 X
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.$ O% V4 [* l0 J# V7 }7 q
# A" G! o- @. U2 e& F0 Q) Lc) SELV circuits may have exposed current carrying parts under the following conditions.
$ j5 x5 _7 p/ Q+ o3 {5 D$ J5 D% j– For ordinary luminaires:,
4 w1 F8 j) B+ m) b0 ~5 s• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and, a6 n2 s& j) r& v# O
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
! a) m, V4 y1 `& F8 X b# f+ Awhere the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
: J6 Q3 L& e- G• for a.c.: 0,7 mA (peak);0 r0 Q" u% f; z% f
• for d.c.: 2,0 mA.( N3 k+ R1 k' }7 Z- S4 y
If the voltages or currents exceed the values given above, at least one of the conductive" m+ h1 [# e# y/ |, @8 f& C
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test5 I1 C) n- f! h! o! u# I) R0 }3 w
voltage of 500 V r.m.s. for 1 min.
. S `7 L$ ~) }: z; U' D; H8 g$ K– For luminaires which are other than ordinary the nominal voltage (under load and under
y5 ?: ~$ t* U3 ^+ Q6 Fno load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is
. H ~9 b$ {6 Y. {$ ]% vopened for light source replacement, the voltage limits for ordinary luminaires are
2 ?2 b) ^( }4 ^( }applicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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