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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。
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以下引自IEC62114:
( K* x8 q6 K& f$ b2 }# D* sThermal class designation Historical designation
' `$ L! E* V: U% @9 ]+ m9 M 90 Y% e! T) Y: D3 L
105 A
! D5 t; }' R" Q& Y& \& Y2 n! p 120 E9 ?* G- D/ V4 m4 e5 L x5 V% J0 C
130 B& h, E+ w- Y- _: o8 N* K
155 F; e* j0 w$ z: ?: R
180 H# Q: M0 c0 t0 `2 j H( l
200 200, p3 f; ?7 @8 _
220 220
" G4 O. t3 `0 Z/ @' S( l 250 2502 X* M) H m& X* T3 O7 s
; f. F! X- | j) e+ J9 @# p7 r
Designation of thermal classes over 250 shall increase by increments of 25 and be designated accordingly.1 |+ t J: |- C" S2 T ~
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NOTE The old class C that was used for all temperatures above 180 °C has been replaced by the above thermal classes and is no longer valid.
9 R k$ ?2 h7 S. h9 m oIf desired, the historical designation may be added in parentheses, e.g. class 180(H). |
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