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引用第6楼gmr24185于2011-08-18 17:34发表的 :
3 B! Z* Q1 G0 z! U& Q4 O# ?非常感谢,4 U. g! Z' F6 i
我还是想问,LED柔性灯带是DC24V供电,但是功率超过100W,该灯带用UL2388标准评估,另外其PVC包皮是否还要满足UL8750中的5va的防火要求? ENCLOSURE分两种:
; v% g9 ` R% c f3 M3.5 ENCLOSURE, ELECTRICAL – A part of the equipment intended to limit access to parts that are1 B2 G) Z# D% G# v
operating at voltage levels in excess of Class 2 or LVLE.
# _% q5 s R3 j# h3.6 ENCLOSURE, FIRE – A part of the equipment that is intended to minimize the spread of fire or
" O7 }- |' ^. hflames from within a product.4 _ m0 i' s9 m& x6 m$ W6 Y7 k
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UL8750 CL1.3没有含UL2388
$ e: g f& c4 l; m1.3 LED equipment is utilized in lighting products that comply with the end-product standards listed below.
, N7 o5 }6 Y% K9 @: O; qThe requirements in this standard are intended to supplement those in other end-product standards.
) `# o, }0 n& d* SIncluded are:
' v4 e% G& {3 n, x0 j& Q" Ia) Electric Signs, UL 48,
) X \- S9 @: B/ \6 \, ub) Portable Electric Luminaires, UL 153,7 J" ?9 u B4 t$ ~
c) Underwater Luminaires and Submersible Junction Boxes, UL 676,
) H& u4 X2 L3 r3 Od) Emergency Lighting and Power Equipment, UL 924,
5 \, |3 [* d: K/ Me) Stage and Studio Luminaires and Connector Strips, UL 1573,
- ?1 v$ K% y2 ^! e' x# e7 zf) Track Lighting Systems, UL 1574,
7 Q/ [6 K8 x# M7 y7 T+ l* Tg) Luminaires, UL 1598,
$ I: P/ S% T& O( k) fh) Direct Plug-In Nightlights, UL 1786,! I4 d" d" i5 c, N: a4 V/ \# k
i) Low Voltage Landscape Lighting Systems, UL 1838,
* K$ j& D$ w$ ?3 i# U8 d* yj) Self-Ballasted Lamps and Lamp Adapters, UL 1993,: j) g) L) ^) H) O- E ?- \! {
k) Luminous Egress Path Marking Systems, UL 1994, and
`) F- L6 B" D# u' g. j: ul) Low Voltage Lighting Systems, UL 2108.
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所以要求就是UL2388+UL8750。至于该满足什么防火等级,请对照UL8750 6.3 Polymeric materials for enclosures and electrical insulation检查。 |
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