|
|
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:3 a4 I/ G. u P, ]) j5 S# z
1. 25Vac or 60Vdc" x( R9 u3 ]: d, c
2. 不满足1的条件就touch current 有要求.
7 |1 r( d6 M B( n. ^最新版的598 还分了IP20灯具跟非IP20灯具,, h, y! b0 I9 C3 U
非IP20 12AC or 30VDC
1 B" n3 M5 k/ T10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;0 j1 K$ G3 K7 q& Q
if: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.
: Q0 A' j8 d+ p9 ^9 Ewhere the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not
$ t8 w% B6 e. B% ^* ~exceed: ]$ m& l' E& _; Y7 Q. c4 w
– for a.c.: 0,7 mA (peak);
* _4 |5 `+ k. {6 G0 ]( S$ a– for d.c.: 2,0 mA;
) k1 J5 @- Z: Q/ H! W* R5 {7 v– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.( V' g( Z8 o1 ~6 I- I8 W
# m5 \+ L% l" ~# Z" T
c) SELV circuits may have exposed current carrying parts under the following conditions.' z7 _8 [4 S5 v% c" N
– For ordinary luminaires:,5 G$ I' G8 d1 O8 C% E% ?! ?* N
• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and s5 ^; v9 `( q6 `
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
% C$ B7 U/ ~9 R1 T, ]. n0 I8 zwhere the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
7 L) S4 Y: W: \' i! I5 G• for a.c.: 0,7 mA (peak);- f% h% Q3 }2 M2 m- h) k
• for d.c.: 2,0 mA.: g* {0 ]. E W+ ?9 k2 _
If the voltages or currents exceed the values given above, at least one of the conductive0 N# b2 T8 N+ R! u# m5 z h
parts in the SELV circuit shall be insulated by insulation capable of withstanding a test' i- {( s$ R' h5 W% G
voltage of 500 V r.m.s. for 1 min.. Q6 A* o" C: b& [: G7 L
– For luminaires which are other than ordinary the nominal voltage (under load and under+ C/ ~$ S: s$ X4 G' q
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is+ Y, {* H; E% n
opened for light source replacement, the voltage limits for ordinary luminaires are; D. Q! a \0 T9 o* I& ~
applicable (for parts only accessible during maintenance) |
|