UL60065防火外壳

cherish

广东安规检测
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IEC60335试验指甲

是不是零件要符合20.1的要求并且外壳要符合20.2
$ e; b( x6 S- x- f4 l/ ^
8 i1 v. d6 i  o* T有了防火外壳一般的零件对引燃源还有具体要求么
/ I- C$ H: z( `
8 q; ~: `8 l, v$ H. lUL60065防火部分到底要怎么看

cherish

里面沒有危險電壓，外殼開孔就沒有任何要求嗎？對里面的零件有什麽要求呢？如果rating是12V/1.5A.....
& v; g, L' w& @4 W! ^/ v

6 C2 p4 J8 T/ O有沒有高人指點啊！！！！

cherish

PCB板材質呢？

davidfu

20.1.1 Electrical components
Electrical components shall comply with the relevant flammability requirement of clause 14.
. F/ F, O9 M1 P/ A4 c) ], K) tWhere there are no applicable flammability requirements in clause 14, the requirements
of 20.1.4 apply.
: A6 U# X- |$ D& _2 ACompliance is checked by appropriate tests of clause 14 or 20.1.4
, V1 v+ O- Y( I7 ?$ a
* l5 N0 P+ g- G3 q/ _2 E+ ~对零部件的要求，请看回20.1。1章节。

davidfu

20.1.3 PRINTED BOARDS
) I6 k9 F) e* ]! B* ABase material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection exceeds
  Q! L, L, b2 p! h. W8 g15 W operating at a voltage exceeding 50 V up to and including 400 V (peak) a.c. or d.c. under
normal operating conditions, shall be of flammability category V-1 or better according to
4 y( y# [: G1 C8 HIEC 60695-11-10, unless the PRINTED BOARDS are protected by an enclosure meeting the
flammability category V-0 according to IEC 60695-11-10, or be made of metal, having openings
! I. e/ d: ~) P  `4 q8 c0 Gonly for connecting wires which fill the openings completely.
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection exceeds 15 W
: e  R" u0 I. I# j+ ~operating at a voltage exceeding 400 V (peak) a.c. or d.c. under normal operating conditions, and
/ v( H* G5 Z, dbase material of PRINTED BOARDS supporting spark gaps which provide protection against
overvoltages, shall be of flammability category V-0 according to IEC 60695-11-10, unless the
5 {6 h) Y  G8 H# m( MPRINTED BOARDS are contained in a metal enclosure, having openings only for connecting wires
# R) U+ H/ n+ U. T0 A( L) M7 H0 Twhich fill the openings completely.
5 t2 k' V3 M& X" H; [5 Y8 `Compliance is checked for the smallest thickness of PRINTED BOARD used, in accordance with
either:
a) IEC 60695-11-10; or
3 |( d; c% L: x5 a+ Ob) with Clause G.1 on specimens of boards as used in the apparatus, but without components.
The tests under b) are performed after a preconditioning of 24 h at a temperature of
5 ^8 A  i0 C, H8 V; M& \$ J; T(125 ± 2) oC in an air-circulating oven and a subsequent cooling period of 4 h at room
& l: i  q; _5 W& N' {% Y, W8 rtemperature in a desiccator over anhydrous calcium chloride.
5 W4 F9 Y4 J% w' F6 w1 e% h
PCB 的要求

cherish

davidfu 发表于 2012-7-25 17:31
20.1.3 PRINTED BOARDS
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection ...

. F; A, _. W9 j, C' W7 a/ U$ L對一般外接adaptor的產品，里面主板上的零件要注意什麽么？內置電源呢
一般可能會不滿足標準要求的零件都在哪部份

davidfu

cherish 发表于 2012-7-26 15:12
2 n  v& a  o: {& b1 b' r  r對一般外接adaptor的產品，里面主板上的零件要注意什麽么？內置電源呢
一般可能會不滿足標準要求的零件都 ...

% @& X$ K6 @; V1 t3 @! v7 Y看电压。

water1983

非常感谢楼主的详尽解答。

sharkxiao

如果是内置电源，啥要求也没有，如果是安全电压，也啥要求没有!