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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）：
$ \% U# \* |$ O. G! RA.2 Electric strength test 7 W. m. r2 z3 A5 ~! F
The insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform % @' a F+ T0 |$ t6 j
having a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and
* Y: ?- |1 j. x- t( n9 r& xthe points of application are shown in table A.1.
! u4 {: U1 n$ I0 PNOTE 1 It may be necessary for the appliance to be in operation during the test to ensure that the test voltage is
% E3 [+ y5 y8 A: c8 k9 G0 t- @1 g3 eapplied to all relevant insulation, for example, heating elements controlled by a relay. 3 ]! i& f5 P7 P5 @; v5 u
No breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit
9 }, p) L8 r7 Y- B6 Fexceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high : |1 R& h: l" x9 o- N1 C, q
leakage current.
) H! F1 D$ D; W2 ?( P+ wNOTE 2 The circuit used for the test incorporates a current sensing device that trips when the current exceeds % v0 a |0 b% }: C
the limit.
9 q" N2 h) Y; P5 H% p! jNOTE 3 The high voltage transformer is to be capable of maintaining the specified voltage at the limiting current.
) [. {! m( {6 KNOTE 4 Instead of being subjected to an a.c. voltage, the insulation may be subjected to a d.c. voltage of % S8 N" c. p# s: 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.
& a) S9 Y1 V5 `) a+ _" i. uvoltage.: u/ `, O/ D$ A, Q/ d
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发表于 2012-7-20 15:49
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发表于 2012-8-20 21:07
