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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。
0 u& s% V- f1 M/ m" h; R2 v# t; t; s% ?% Q: m0 v0 J" s" F
以下引自IEC62114： _: b6 h5 b5 F$ U1 c/ }
Thermal class designation Historical designation
, n# V; K/ P. C 90 Y
/ D& n9 s% u' u) g9 L. D- y 105 A) |; D+ U# z9 V; Z; h
120 E
0 ?4 G1 K+ m0 q7 K$ N 130 B7 n/ A) J7 F& @
155 F
" B: U" y* m' q F 180 H
) A/ L) g: v' a2 t 200 200, C6 {! m0 l4 M6 w( R; T
220 220: r* Z" d* m3 w- F- p6 a
250 250
0 L! o: N. D: ]+ {5 H: m9 S2 K/ F- F2 H: i B- } H
Designation of thermal classes over 250 shall increase by increments of 25 and be designated accordingly.
3 R; P- x1 B* _$ X( t3 P
% ?2 V" B4 U) M* h r8 m LNOTE The old class C that was used for all temperatures above 180 °C has been replaced by the above thermal classes and is no longer valid.
4 y8 F3 N. {2 @6 e/ r0 Z! z8 [) PIf desired, the historical designation may be added in parentheses, e.g. class 180(H). |
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