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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。
$ ?/ @; y# l& X' B- h
% f# }; |* a3 k, a$ @$ a: F以下引自IEC62114：3 r0 Y$ H7 x" A* a# C' t
Thermal class designation Historical designation3 r( Z: v. i7 q5 _
90 Y4 G1 P+ V! \8 y* {- m. h T- g
105 A+ M1 l6 [, L7 p( }5 M- h
120 E
" X/ F5 C; ~& y4 ]# P, v8 Q' R 130 B* {5 @. A E7 X- d w& s* H
155 F, D" s4 s, k+ A. Y' Q( L0 o
180 H j" L) o! Y1 }; x
200 2000 L& k- L) _3 Z, X, ^. @
220 220
% b7 w' {7 H- g 250 250
8 R3 X2 ~. z6 N! t
4 s9 L5 A* x) ^4 m2 I6 i$ W# QDesignation of thermal classes over 250 shall increase by increments of 25 and be designated accordingly.% w! b S) H1 j% U$ M1 v; L
# M/ f+ B; F' V
NOTE The old class C that was used for all temperatures above 180 °C has been replaced by the above thermal classes and is no longer valid.0 Z! L2 T4 S8 j( F& S$ F+ w. k
If desired, the historical designation may be added in parentheses, e.g. class 180(H). |
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