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发表于 2014-11-22 09:33
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电源看了报告已经确定是可以的,有LPS 且是UL+CUL认证的,现在的问题是 电动按摩器具外壳是HB的,但产品是连续性工作的,不想换材料,可否有豁免???熟悉的大哥能否给点参考,标准原文如下:% `1 r1 G. ~1 S& A& q1 Y
UL1647 7.2.1:
8 Z/ D9 D7 S) c- N' O4 X( Ob) Class HB minimum for a portable, attended, intermittent duty, household appliance; or
/ B1 f9 g4 B* L# a VException No. 1: Class V-2 minimum for a polymeric material used to enclose heating elements," n5 G2 ^1 k+ R( X n
including heating wire.4 O! U$ u, p, {: w. M. s, `
Exception No. 2: In lieu of the required HB flame rating for portable attended, intermittent duty,
* m3 C' n. `) p. Ghousehold appliances, the polymeric enclosure may be subjected to the 12 mm or 20 mm, s+ ^1 e8 @& g1 Q- V9 V
End-Product Flame Test in accordance with UL 746C. t% x+ m. J5 | t2 Y% z
c) Class V-2 minimum for an appliance other than mentioned in (a) and (b).
3 u' W; W8 t8 X0 bException: In lieu of the required minimum V2 flame rating for appliances other than as specified
1 d+ f) a* L- A! w: Gin (a) and (b), the polymeric enclosure may be subjected to the 12 mm or 20 mm End-Product
( r. |5 a% B( R6 a$ x" x9 M6 cFlame Test in accordance with UL 746C. |
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