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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：& o0 k7 Y3 y) d
1. 25Vac or 60Vdc7 F5 r$ `; G( K' H$ ]) B5 ?8 Q
2. 不满足1的条件就touch current 有要求.0 G# }! O# P& @. w7 r
最新版的598 还分了IP20灯具跟非IP20灯具,
) V2 y. g' \- G+ T: G* g6 g非IP20 12AC or 30VDC
0 ~: i) y! S. E+ G$ Y10.4 Controlgears providing SELV may have accessible conductive parts in the SELV circuit;
1 j5 `1 r2 k0 ?! i( V4 Y8 Zif: the rated output voltage under load does not exceed 25 V r.m.s. or 60 V d.c. ripple free d.c.9 A' d) }- u5 Z7 a, u; A1 c- w3 e
where the voltage exceeds 25 V r.m.s. or 60 V ripple free d.c., the touch current does not
6 I- u! g& C) w( ^exceed:
, v$ m( S! J9 w: A9 K– for a.c.: 0,7 mA (peak);5 [) a/ v! D& w* y
– for d.c.: 2,0 mA;8 h/ H* P% v E& h# A
– the no-load output does not exceed 35 V peak or 60 V ripple free d.c.
) f% R. I- B5 V
9 h2 ]2 t R) ~' A: @& {" Sc) SELV circuits may have exposed current carrying parts under the following conditions.
9 T0 j- o) I2 o– For ordinary luminaires:,
m( F0 ~+ H, `/ o4 V• the voltage under load does not exceed 25 V r.m.s. or 60 V ripple-free d.c. and+ V, v* C. r/ T+ S) h7 y8 f% l) T" y
• the no-load voltage does not exceed 35 V peak or 60 V ripple-free d.c.9 V" `& i8 t. v7 c( m( Q9 U% _: P
where the voltage exceeds 25 V r.m.s. or 60 V d.c., the touch current does not exceed:
- G4 @0 m" ~, S* k2 V• for a.c.: 0,7 mA (peak);
) P4 q" v) i4 I• for d.c.: 2,0 mA.0 Z: \* i h! B. K; G# ]3 V6 }# X
If the voltages or currents exceed the values given above, at least one of the conductive
7 p, @! b0 Q; u' P2 Q' ^parts in the SELV circuit shall be insulated by insulation capable of withstanding a test) e. B4 T+ U9 x, ]: P6 O
voltage of 500 V r.m.s. for 1 min.
. Q8 ]. p+ I# w1 @% I; Z# K/ W6 V– For luminaires which are other than ordinary the nominal voltage (under load and under) a. L4 I( {7 E; C+ J& g5 [2 c
no load) does not exceed 12 V r.m.s. or 30 V ripple-free d.c.. When the luminaire is
3 T: ~/ ^& z9 E, [7 Z/ v0 c: mopened for light source replacement, the voltage limits for ordinary luminaires are
5 B/ E2 b0 @8 D4 Y) rapplicable (for parts only accessible during maintenance) |
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发表于 2015-12-23 16:30
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