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板凳
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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:. s# F6 e- J v
UL1647 7.2.1:
( y9 R7 M; ~# {" n" rb) Class HB minimum for a portable, attended, intermittent duty, household appliance; or
2 H. z: N# S: P) L5 D) Z$ IException No. 1: Class V-2 minimum for a polymeric material used to enclose heating elements,
2 y/ q. t$ `* E1 Vincluding heating wire.
- Z0 B* B, Q' d' {. sException No. 2: In lieu of the required HB flame rating for portable attended, intermittent duty,
$ o4 m) Q! j, i/ k! l$ zhousehold appliances, the polymeric enclosure may be subjected to the 12 mm or 20 mm$ V8 _$ A9 H |0 U! Q6 {
End-Product Flame Test in accordance with UL 746C.: c; m7 ]0 V6 S. R" @( Y0 h( |
c) Class V-2 minimum for an appliance other than mentioned in (a) and (b).- h9 J9 g% n' b1 P+ N, v) N+ f
Exception: In lieu of the required minimum V2 flame rating for appliances other than as specified+ I5 } b) Z* H; ]0 k6 W
in (a) and (b), the polymeric enclosure may be subjected to the 12 mm or 20 mm End-Product" f1 U* ~# t' u( Y; N$ y0 P! Q1 U4 d
Flame Test in accordance with UL 746C. |
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