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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：% T- y8 O8 e2 `8 Q2 y
1. 25Vac or 60Vdc
* A; V" F) L: R7 }2. 不满足1的条件就touch current 有要求.; b. W0 }9 o) n3 |( Z, u/ r' n
最新版的598 还分了IP20灯具跟非IP20灯具,
; |$ R+ P# |: f4 a非IP20 12AC or 30VDC: e# Q' I+ p" g+ i7 z
10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;, _! |( T5 I8 s% `
if: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.
; H. m7 g0 F0 j' J6 g. @where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not1 L/ f0 P# f8 j) s7 w% G, J
exceed:, x1 u% q% d- o6 b0 }7 v' c
– for a.c.: 0,7 mA (peak);: S& i% ]' S- n# Y6 o/ y
– for d.c.: 2,0 mA;
! e' B9 ? H0 t: R) b5 n) d9 L– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.3 j" u8 D& C: Q( y
' f n. a t6 U U% U: T7 Q! q8 d& sc) SELV circuits may have exposed current carrying parts under the following conditions.
& i/ W: e$ z3 b– For ordinary luminaires:,
& q0 w5 V$ A+ B) y, p4 ?• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and% t, y% p9 q U6 n) D: {
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.
- ^4 n9 p, l a' Pwhere the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
- |/ K% g# o; l) L• for a.c.: 0,7 mA (peak);! d: D) ]3 x; Z: N0 x
• for d.c.: 2,0 mA.. W3 L* M0 U% O! @+ [# v0 i7 s
If the voltages or currents exceed the values given above, at least one of the conductive
- H* J9 |( |. X$ c$ \parts in the SELV circuit shall be insulated by insulation capable of withstanding a test
$ y, w s, J5 v" K- bvoltage of 500 V r.m.s. for 1 min.' x- `7 f9 Z& g
– For luminaires which are other than ordinary the nominal voltage (under load and under
% q* z& h& J9 J( k3 e1 O: v- ]6 Lno load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is
- z/ p5 S0 u9 |) `5 G% mopened for light source replacement, the voltage limits for ordinary luminaires are4 h k4 g( k b# ^
applicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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