61000-3-2，class A产品的一问

chas

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

请问一下，之前听实验室有提到在IEC/EN 61000-3-2中的class A的产品，75W以下的产品並沒有Limit，請問真的是這樣嗎？這段話又是在61000-3-2法規的那個章節中啊，不好意思以我的破英文程度找不到在那裡，請知道的大大告知一下，謝謝

H-RH

IEC 61000-3-2:2005 paragraph 7

& t! t) `) t) ~8 j& W7 d7 Harmonic current limits
The procedure for applying the limits and assessing the results is shown in Figure 1.
For the following categories of equipment, limits are not specified in this standard:
0 U# i3 Z6 X9 h- k; \6 O, n  F, [8 {NOTE 1 Limits may be defined in a future amendment or revision of the standard.
1 u0 C, g; P  F# N9 g2 D– equipment with a rated power of 75 W or less, other than lighting equipment;
NOTE 2 This value may be reduced from 75 W to 50 W in the future, subject to approval by National Committees
at that time.
8 g; r4 z% x/ B) k0 q– professional equipment with a total rated power greater than 1 kW;
# x1 n; Y$ ^+ }7 M! r7 |$ E– symmetrically controlled heating elements with a rated power less than or equal to 200 W;
– independent dimmers for incandescent lamps with a rated power less than or equal to
1 kW.