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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：
; P7 U i6 B* v& _' ?1 E0 F1. 25Vac or 60Vdc/ k) w& Y! M5 u) f8 s! Y1 u
2. 不满足1的条件就touch current 有要求./ c: A8 t& r& B1 \
最新版的598 还分了IP20灯具跟非IP20灯具,
: ?$ F) q C& m1 p- c% K非IP20 12AC or 30VDC
$ {( M3 C, `' {% C$ q+ [10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;, A% v5 ~0 }/ O& n' ^# R6 o
if: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.
3 T' s4 P8 L2 I9 X& U: `where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not" f6 S g0 Q( L; h
exceed:
9 H' k! \$ Q, y# W. B6 c3 |- E– for a.c.: 0,7 mA (peak);
; m& k- Y% C8 x# ?; R/ [$ |– for d.c.: 2,0 mA;, N |; w, m7 E. o$ O. D
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
' G+ j ^4 i4 e0 A
! ^1 M, l% V) Y- D2 F7 Mc) SELV circuits may have exposed current carrying parts under the following conditions.% E9 i, r8 g' j& ]1 {
– For ordinary luminaires:," g5 i. ^! u0 [( j0 X
• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and. i, f; @* p6 J+ }! z% u
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.$ F5 _1 q, g' u; d; ^0 K- D: S" X5 a
where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
: H# L# F$ m: K5 S1 a! G• for a.c.: 0,7 mA (peak);
+ u. U* O1 n6 s* r5 `9 X• for d.c.: 2,0 mA.
4 ^. L) u9 Y5 d6 `If the voltages or currents exceed the values given above, at least one of the conductive
: X. R1 e5 ^9 ?( {- P, T7 }0 qparts in the SELV circuit shall be insulated by insulation capable of withstanding a test }( k4 {0 O) }5 [9 K9 Y& r( b" }
voltage of 500 V r.m.s. for 1 min.1 P0 ~1 Z3 D0 J- F9 L
– For luminaires which are other than ordinary the nominal voltage (under load and under
0 h- G% c$ t+ X6 q, eno load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is9 q! X) g, X; V2 n2 q8 T& \
opened for light source replacement, the voltage limits for ordinary luminaires are
- ^; P p' Z) F2 u3 w. b$ y+ papplicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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