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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）：
$ E& Z: N* M3 [- ?A.2 Electric strength test
* t V0 w2 y, E0 f- V `3 oThe insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform ; W- T C G( f1 A
having a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and
- o/ g# Y+ A8 O) f7 [ Qthe points of application are shown in table A.1. 5 B0 |5 T7 h3 q3 v8 v$ a
NOTE 1 It may be necessary for the appliance to be in operation during the test to ensure that the test voltage is
6 P" ~) W6 g5 g( g: R- m' e) y- M2 A* Xapplied to all relevant insulation, for example, heating elements controlled by a relay. $ ?/ d# w. r6 T/ p3 x" A
No breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit 1 w: B! e* R$ j+ y R: [
exceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high
1 u6 J8 S' ?% A6 K" O. Q0 P: a9 p" Fleakage current.
9 R/ H9 h" I+ D% `5 S( ANOTE 2 The circuit used for the test incorporates a current sensing device that trips when the current exceeds
. s$ G4 k/ X9 J+ b2 z) B B1 vthe limit.
% J9 z! q- f" i6 U* n* {8 dNOTE 3 The high voltage transformer is to be capable of maintaining the specified voltage at the limiting current.
3 \* m4 e2 e8 s, N0 w% pNOTE 4 Instead of being subjected to an a.c. voltage, the insulation may be subjected to a d.c. voltage of 3 y: E8 z! H) k9 H p1 e7 [( K
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. 2 a6 W, _; P$ [" d$ Q* O: i
voltage.( K+ r% d3 ?6 Q0 X$ {
a0 @5 a/ ?. k$ `, E$ i! V
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发表于 2012-7-20 15:49
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发表于 2012-8-20 21:07
