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引用第3楼a049405于2011-09-09 09:11发表的 :, R7 g* x2 G6 E! L* x: x
IEC60598是有要求的 1 Z1 Z) J, i, R7 a' H0 _ T
謝謝4樓回復.
. s+ F% w3 e- Z0 E/ i你指的是IEC 60598-1: 2008中Clause 5.2.2中的要求嗎:
* F7 _: d' i$ }3 GNOTE 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$ l A. ~. u. C) E( ]; N! `* s; n' U
shall be not less than:# Z: |0 a$ e% c4 p
– 0,75 mm2 for ordinary luminaires;
- b' v2 \8 U9 A- _; Q: c/ j1 I– 1,0 mm2 for other luminaires.
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; O! v+ l& F& }9 J) x! h& x0 b! l$ j; ^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?
$ B* p# ]% Y& H$ q. Q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?
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8 P7 x; Q3 q$ j8 a- m8 l2 c6 l而且Clause 5.2.2中有明確指出SELV載流部件不必絕緣
& C! E& n' i) d5.3.1.5 The SELV current-carrying parts do not have to be insulated. However, if insulation is& D5 l( q z3 y. C$ g& |
applied, they shall be tested as mentioned in Section 10. |
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