标题: 关于class E [打印本页] 作者: mlai 时间: 2010-6-17 21:38 标题: 关于class E 原来Class E的马达，目前GS测试后CDF表上为何改成Class 120，请求专业认识解答作者: Andy.Yang 时间: 2010-6-17 21:54
It's for insulation system,I guess Class E indicates the insulation system is 120 degree celsius....作者: caballo3157 时间: 2010-6-18 07:46
Class E是绝缘耐热等级分类老的标识方法，Class 120是现在标准规定的标识方法。6 N' s$ L3 Q3 v6 i* N. |
' l* B5 P, j! ~, W }7 O" j$ U以下引自IEC62114：$ s% U9 e) B' l9 R* R: ?+ _
Thermal class designation Historical designation ( h0 _4 l) v% _ g V 90 Y 3 u6 F A; ]3 f2 a; F5 {6 w 105 A # C+ p8 G2 X4 F; A. I% R3 d 120 E- r( N' ?+ ^' D2 t) I+ A
130 B3 }9 ~- @$ d% ~
155 F ' X E/ o" _/ e! n; C1 b/ M 180 H , ]" T% z; {0 q 200 200 0 J+ u5 u$ ?; I0 U$ B3 m$ z 220 220 ! w7 `% X- U R l1 V0 x4 Q' t# H7 U7 y 250 250: q4 U) ^3 E" g( i d& I( L
) F E6 G I* S) U) aDesignation of thermal classes over 250 shall increase by increments of 25 and be designated accordingly." X3 `, p& ~ ^* l |
7 e @( d; p5 G2 C" Y* G) _& SNOTE The old class C that was used for all temperatures above 180 °C has been replaced by the above thermal classes and is no longer valid. : D( Q7 a6 H% ^- pIf desired, the historical designation may be added in parentheses, e.g. class 180(H).作者: defong 时间: 2010-6-18 08:13
都是高手呀，看来要去看看新标准了。作者: aojia 时间: 2010-6-18 09:32
新老标准的叫法不同作者: zhangrui110 时间: 2010-6-18 10:23
更新标准了啊作者: SMHF 时间: 2010-6-18 16:02
不说还不知道呢