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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:
' X& b1 ^& ]" O2 N; z' Q+ R- ZThermal class designation Historical designation4 B4 N* Z# a) K0 v* m
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105 A
9 H, @% b6 S b! M$ F9 I/ h% z 120 E2 s% g/ a( J" |( d
130 B
' ?5 l; X4 i& D5 Y' T8 r& } 155 F5 |# ^ n. a: D8 ?; E5 c+ X7 k" F
180 H/ y; y7 R7 j* R
200 200. l8 u! I: Q/ K0 S
220 220
- d) k q1 q: F; N, |/ L 250 250
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Designation of thermal classes over 250 shall increase by increments of 25 and be designated accordingly.
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/ F- V+ j$ G; H q8 n! HNOTE The old class C that was used for all temperatures above 180 °C has been replaced by the above thermal classes and is no longer valid.
# }1 \" A h7 B+ h4 T- UIf desired, the historical designation may be added in parentheses, e.g. class 180(H). |
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