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发表于 2011-9-9 10:07
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引用第3楼a049405于2011-09-09 09:11发表的 :' ~& Q4 |0 |' _9 g) ~+ L& d# f
IEC60598是有要求的
3 z/ d' M8 m+ A5 C: ~. i! o謝謝4樓回復.
9 j0 B0 O1 M4 Y# J, a! x, R你指的是IEC 60598-1: 2008中Clause 5.2.2中的要求嗎:
6 W0 w) D8 d- K" q7 D5 eNOTE For supply voltages greater than 250 V, higher voltage grade cables and cords than those given in the above table may be necessary., u7 N8 I/ W2 ~0 U0 U) F% d" n* B
; t' K7 |& U y& a. OTo provide adequate mechanical strength, the nominal cross-sectional area of the conductors/ C* {# j, k! ]5 I
shall be not less than:- u- J/ [& D. m ]
– 0,75 mm2 for ordinary luminaires;9 W: X6 ?, S( L. G) v
– 1,0 mm2 for other luminaires.$ N& z+ d$ }3 s/ X1 Y" B
/ X/ [' h) n! q4 b' ]: t$ f E
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?6 \2 M) p9 h" |; t5 S' J0 ?
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?- U0 r: L$ K; I
$ S& l W% o4 b& H9 P2 I: {
而且Clause 5.2.2中有明確指出SELV載流部件不必絕緣
$ r8 k1 P: k& @8 O Q9 V9 o+ {2 U# F' A5.3.1.5 The SELV current-carrying parts do not have to be insulated. However, if insulation is
' X0 ]4 d5 S" i7 ~applied, they shall be tested as mentioned in Section 10. |
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