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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）：
4 ^4 y; p5 b( s( k! T! UA.2 Electric strength test
7 M& A6 n, v& |. f" D& @, ? qThe insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform
1 {* e+ ^- M* W5 Y+ H8 Shaving a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and ( o' y4 P+ m# p) ]& p: k" W
the points of application are shown in table A.1.
6 Z2 t: T. \0 X: L0 fNOTE 1 It may be necessary for the appliance to be in operation during the test to ensure that the test voltage is
$ d2 Q& F8 g7 j9 qapplied to all relevant insulation, for example, heating elements controlled by a relay. * b. C' N- U3 C, _3 N! O3 ?; c
No breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit
! {6 _& y* O" S8 @* d! p+ l- Xexceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high 6 t; ~0 |( D* o- P% F9 s
leakage current.
7 k2 r6 B' N5 c# q3 d* R0 cNOTE 2 The circuit used for the test incorporates a current sensing device that trips when the current exceeds 4 x, i; c% n* _4 v5 G) a6 [: G }( B
the limit. 2 Y' a2 E7 G! C) c
NOTE 3 The high voltage transformer is to be capable of maintaining the specified voltage at the limiting current.
1 [, }, ~! f" C, R# P4 tNOTE 4 Instead of being subjected to an a.c. voltage, the insulation may be subjected to a d.c. voltage of / C: ^7 P& [' U- J" 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. 3 G3 w2 b% x# F# o3 I3 y
voltage.( N& e0 Z- d# s. P) _- X' V
0 \6 D: j& ^( i |
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发表于 2012-7-20 15:49
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发表于 2012-8-20 21:07
