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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）：
, R- K( k6 d4 wA.2 Electric strength test ( Y! B/ m: }" _8 V. ^
The insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform 8 c1 |7 _4 y3 l" h& Z" R0 |( H$ b
having a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and " ~/ L h4 o2 l9 H7 }% E+ R" {1 e. n
the points of application are shown in table A.1.
4 [% t! o3 r" h* F2 J+ MNOTE 1 It may be necessary for the appliance to be in operation during the test to ensure that the test voltage is
4 _& J0 f0 F; z7 b) ]/ Gapplied to all relevant insulation, for example, heating elements controlled by a relay.
1 N' d! O9 `0 `2 m0 k9 \No breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit
, H- a# K; F; y; d( ~% I# s# Aexceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high
& }$ z0 L0 @4 y, mleakage current.
: G& ]8 H; g2 @" kNOTE 2 The circuit used for the test incorporates a current sensing device that trips when the current exceeds
1 c8 h, O$ h" M7 x, H2 lthe limit.
, A7 H) A2 m) ?2 p# aNOTE 3 The high voltage transformer is to be capable of maintaining the specified voltage at the limiting current. $ }1 E1 X# `: x( k8 v2 s
NOTE 4 Instead of being subjected to an a.c. voltage, the insulation may be subjected to a d.c. voltage of 0 p) n7 i& A4 l( [, m
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.
4 G8 ]( g2 g/ I# ~& N- jvoltage.
5 S' b, K- Q1 N
8 M$ G1 h& s' b, t* y4 d" {9 W |
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发表于 2012-7-20 15:49
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发表于 2012-8-20 21:07
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