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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:
* y/ M. s- A8 n2 h, R1. 25Vac or 60Vdc
! t4 z8 y5 [; c+ P7 ~1 E2. 不满足1的条件就touch current 有要求.# w% [8 ?% g, N+ N7 r, H" t
最新版的598 还分了IP20灯具跟非IP20灯具,
% m- e9 c$ n$ _" N非IP20 12AC or 30VDC4 G% ^* ]# y0 n9 e3 C
10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;; ^+ z! @: {3 F. L
if: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.- b; q) S5 F, L3 J8 B+ V3 H
where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not
, k: ^/ Y. k B+ Oexceed:1 B6 c2 K; O. V+ |( Q0 I, X9 B2 u2 d
– for a.c.: 0,7 mA (peak);: G& E+ `8 I! ~
– for d.c.: 2,0 mA;
. U# l1 X- V' l( X– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
1 Q: Q" L# m8 R& u) n! f& I: x( E9 {7 W& C
c) SELV circuits may have exposed current carrying parts under the following conditions.
_& c3 Q6 i4 N- h, ^% ]: S# e% X– For ordinary luminaires:,
0 j1 `( ^6 p5 z$ _• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and
( G3 j3 C2 u2 Q2 N• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
2 a' N/ w2 a+ ?where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:5 D) X+ E# A2 H7 w4 ]
• for a.c.: 0,7 mA (peak);
4 n( _! E6 I5 q• for d.c.: 2,0 mA. e! x" Q$ Y# ~( N0 J$ p7 K- W* h
If the voltages or currents exceed the values given above, at least one of the conductive9 U! U$ B `: M0 R
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test Q/ [, Z- x) X. H: I7 O
voltage of 500 V r.m.s. for 1 min.! Q& m6 L% }* q e& e1 b5 ]
– For luminaires which are other than ordinary the nominal voltage (under load and under* L3 t$ P; T/ O: o# H0 f
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is
% n0 }" E( F* ]7 }" w* X) @5 dopened for light source replacement, the voltage limits for ordinary luminaires are: c# c4 l, s. t9 N+ E% Q& `- F
applicable (for parts only accessible during maintenance) |
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