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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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4 D4 s' M$ A+ s- O: y6 f3 y e3 J4 a以下引自IEC62114:
1 [5 Y3 O: E9 Z) Y. i2 eThermal class designation Historical designation
* n ~2 @. x( A; Y3 _/ e0 V* A4 X1 |( v 90 Y
! h1 e% u% Z' {3 T* M 105 A: ^# h! r7 e Z$ b- _# n9 w. j
120 E
7 u9 D, t$ V6 L 130 B# c! I5 C* y" K# V- B5 {* b, w: t% p
155 F1 n2 I& _5 }/ c+ w" i
180 H3 r. z& t2 T" I4 a" e; ^
200 200; {9 j3 i" |; u3 w1 P3 U
220 220
( g8 C" ~ w3 C6 i4 I6 ]/ z 250 250- i9 V( I2 L8 J# R2 h# I& @, F) {2 t
: a$ `8 B% S- f0 fDesignation of thermal classes over 250 shall increase by increments of 25 and be designated accordingly.
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NOTE The old class C that was used for all temperatures above 180 °C has been replaced by the above thermal classes and is no longer valid.# B! i* n1 g; k& Z z7 l) s
If desired, the historical designation may be added in parentheses, e.g. class 180(H). |
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