|
|
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。- \2 E! t9 V" ]. E& f. Q. ~
% A$ s4 g2 l o3 G0 {$ N5 w; ~以下引自IEC62114:3 U3 i- ~$ n/ O7 N
Thermal class designation Historical designation
. R8 q8 i5 }1 t3 s# j5 z 90 Y2 _" Y1 t- G \ n/ p- a
105 A# O' o* ] ^) t) z
120 E
; z6 S8 S' ]% Q$ H/ y 130 B2 B. ]7 `! M, d
155 F$ [# T2 b! k, H7 M3 y3 L& r
180 H
9 `, s' e; F) u7 x 200 200. M2 N$ Y$ A4 y7 N
220 220/ e0 M: D- j0 t5 a" e+ N, Q% `
250 250
" S6 u4 r+ K3 Q& q- [7 l" V! h( Y4 A2 g
Designation of thermal classes over 250 shall increase by increments of 25 and be designated accordingly.
1 t9 D& b3 n, G4 n1 W6 z2 R/ l. r, Q. v' G0 q# l( M6 z
NOTE The old class C that was used for all temperatures above 180 °C has been replaced by the above thermal classes and is no longer valid., n: U; y7 T' u; I; g
If desired, the historical designation may be added in parentheses, e.g. class 180(H). |
|