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板凳
![](static/image/common/ico_lz.png)
楼主 |
发表于 2014-11-22 09:33
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只看该作者
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:' s6 S }7 G+ m9 g
UL1647 7.2.1: / J0 d2 A5 [8 K4 H
b) Class HB minimum for a portable, attended, intermittent duty, household appliance; or8 F- O M I4 H8 c0 R% [
Exception No. 1: Class V-2 minimum for a polymeric material used to enclose heating elements,
# F9 y( }) n& P$ A \including heating wire.
8 O/ ^3 ? w: B( A2 jException No. 2: In lieu of the required HB flame rating for portable attended, intermittent duty,
3 g4 D+ w! ]$ x9 _household appliances, the polymeric enclosure may be subjected to the 12 mm or 20 mm* P5 e; r @6 r0 ?: _4 R% U
End-Product Flame Test in accordance with UL 746C.2 M+ I) x3 t8 |, \2 U4 G: Q, F! T% U
c) Class V-2 minimum for an appliance other than mentioned in (a) and (b).) q# s/ v6 p; v: D- e
Exception: In lieu of the required minimum V2 flame rating for appliances other than as specified. J' O) u1 u, P, m; L
in (a) and (b), the polymeric enclosure may be subjected to the 12 mm or 20 mm End-Product3 _0 b4 \/ ], r
Flame Test in accordance with UL 746C. |
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