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标题没写产品类别，这是家电版块就按家电来看了。EN60335的附录A.2有要求（详细电压要求见附表）：
s0 o# X% n# v' ZA.2 Electric strength test
( |* E" O0 L q& o$ M) I( j6 V; M6 DThe insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform
8 P* t$ f3 U$ J, W' W; ~having a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and $ {5 x: `7 p5 F9 a0 ~
the points of application are shown in table A.1.
; E& M) ?+ `& g3 Z" t, LNOTE 1 It may be necessary for the appliance to be in operation during the test to ensure that the test voltage is
_1 I* e0 u) d$ }; T1 A6 dapplied to all relevant insulation, for example, heating elements controlled by a relay. 4 r8 _6 V" P+ C9 x
No breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit
0 B. k8 P+ \5 v, _exceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high
9 B, l7 f/ a1 J( k$ v+ ?leakage current.
+ q( B2 s4 H4 `- oNOTE 2 The circuit used for the test incorporates a current sensing device that trips when the current exceeds
: E3 y+ { `' @the limit.
6 r4 l; [6 Z4 v- W$ oNOTE 3 The high voltage transformer is to be capable of maintaining the specified voltage at the limiting current.
l+ _9 C* Y7 dNOTE 4 Instead of being subjected to an a.c. voltage, the insulation may be subjected to a d.c. voltage of 2 O# c) C6 E/ k: T! N. p
1,5 times the value shown in the table. An a.c. voltage having a frequency up to 5 Hz is considered to be a d.c. " S# o: F0 W; {0 {
voltage.
3 y+ j7 A/ C: \+ k. P / \: ?& `7 z- ^$ T# F; e
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发表于 2012-7-20 15:49
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发表于 2012-8-20 21:07
