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引用第3楼a049405于2011-09-09 09:11发表的 :; m7 M6 x: u2 X. x3 l6 A8 L* K
IEC60598是有要求的 * ^ j* j3 z, z/ a% k( H
謝謝4樓回復.- V/ g/ r# s& K2 N3 h9 I3 W
你指的是IEC 60598-1: 2008中Clause 5.2.2中的要求嗎:
4 ]/ Q$ k6 W7 v) e/ Q% e# sNOTE For supply voltages greater than 250 V, higher voltage grade cables and cords than those given in the above table may be necessary.
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To provide adequate mechanical strength, the nominal cross-sectional area of the conductors, R+ r; v9 l: C* j9 k8 X8 d4 V
shall be not less than:
9 T: ?( T8 E! u& v2 l– 0,75 mm2 for ordinary luminaires;1 K: Z1 M" ^* P. w
– 1,0 mm2 for other luminaires.& N& `6 m9 A: p# M; u1 b* ?) V
; c+ V7 z. L; Z( x% f/ E1 |% P! z4 v: ^在此處這個要求有指出是針對電源線的,而且還有考慮超過250V的情況,而明顯我手上的此產品是安全低電壓5V1A的,參照這個公用電網電源的標準來要求是否有意義?
' X# i8 ~; G9 j! E! v6 {我一個5V1A或5V0.5A的重量30g左右微型的LED控制器,卻偏要配一條超過3倍重量的那麼粗的輸出線看起來會不會很滑稽?' Y8 `+ z- m# ]' O$ G6 v3 T# [
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而且Clause 5.2.2中有明確指出SELV載流部件不必絕緣& Y5 g0 k# l% i6 a9 p6 @
5.3.1.5 The SELV current-carrying parts do not have to be insulated. However, if insulation is; L! \+ t+ D" X% h7 Q
applied, they shall be tested as mentioned in Section 10. |
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