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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）：
! K, J: F1 k8 l$ c2 ?A.2 Electric strength test ' W% H) |% L1 m* d& l, x- Z
The insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform
# |+ h. }6 x. H2 q8 f, r. Vhaving a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and
: P) g, {8 H4 N5 |" o3 sthe points of application are shown in table A.1.
% c! X& M4 F) k4 UNOTE 1 It may be necessary for the appliance to be in operation during the test to ensure that the test voltage is 5 k9 E9 Z! C7 R+ c
applied to all relevant insulation, for example, heating elements controlled by a relay. 4 B* Z8 D( M2 D- Y( l* w @% Y1 X; E
No breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit
A( D% P2 K: y3 t, n( X5 cexceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high
4 x7 O3 H4 p! e* V2 Y1 Yleakage current.
4 N' _+ e5 e# {7 SNOTE 2 The circuit used for the test incorporates a current sensing device that trips when the current exceeds
x5 J* `$ _5 O4 _* e% {1 hthe limit. 0 T2 s8 p( j+ d6 [( L; J: F
NOTE 3 The high voltage transformer is to be capable of maintaining the specified voltage at the limiting current. ~% |9 b m1 X: d6 ^! S1 a0 l
NOTE 4 Instead of being subjected to an a.c. voltage, the insulation may be subjected to a d.c. voltage of
, y) |1 r! H( J1,5 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.
/ C5 W0 \7 V1 Y( N" {" ?4 d/ hvoltage.. K+ ?& Y+ @8 p8 t
+ X) M/ R7 y- ?5 q |
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发表于 2012-7-20 15:49
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发表于 2012-8-20 21:07
