|
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。
2 _! s# u, Y2 |6 i1 W
. H# w$ @# ?7 T; C以下引自IEC62114:! V% @3 ?# ]5 d0 e; U
Thermal class designation Historical designation& i; w/ Z3 k9 v$ E! o
90 Y0 P+ ~7 p3 O4 s2 Y( B
105 A
0 z/ i W! i5 P! r8 \5 |! A 120 E0 f1 L+ L2 O A
130 B# {6 h* [0 e7 G6 F
155 F o( q# A- a3 k, a8 m6 ^
180 H. w& b# q- p( T
200 200
' g1 N9 G$ A) m# l2 s* j 220 220
( I, i4 I" ]( h* z 250 250+ r f/ p* X# B P5 a+ G5 b0 m- C
' g5 z2 O# m6 aDesignation of thermal classes over 250 shall increase by increments of 25 and be designated accordingly.
% y. U) R! U' s* x
2 D y1 H2 G7 d7 L( bNOTE The old class C that was used for all temperatures above 180 °C has been replaced by the above thermal classes and is no longer valid.
7 O5 Z/ A, D2 s/ `8 t: A4 oIf desired, the historical designation may be added in parentheses, e.g. class 180(H). |
|