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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。
1 t u5 B: P% v7 O p7 T; n: ?+ n4 F! b* e/ J5 I
以下引自IEC62114: j3 `: {# i6 M. }* _
Thermal class designation Historical designation
/ M; y# `0 \7 ~6 J* g 90 Y
' ^+ w- @( V6 A9 r6 U/ n9 `/ T 105 A
; I5 a3 \3 w( `0 m 120 E. h- k( p' F: G r2 W
130 B
^ p [' c/ f5 L4 X# X; P: g; ] 155 F
7 T6 c4 V2 M- T1 C; { 180 H
# e+ ^2 p! ?$ R2 d0 L% s+ u1 L 200 2002 t, F9 f" t8 ]. E$ J. `7 j
220 2204 [/ D1 P6 P2 P4 F) F
250 250
/ Y8 D3 f# }. u- O5 [5 P
$ L1 v! ~, y2 O' @Designation of thermal classes over 250 shall increase by increments of 25 and be designated accordingly.
! @$ p( s4 U# f/ B0 q6 `( f! Z7 r- |+ U/ i. i2 b2 J
NOTE The old class C that was used for all temperatures above 180 °C has been replaced by the above thermal classes and is no longer valid.
3 B& z. K; p- Z7 l/ ]! a) MIf desired, the historical designation may be added in parentheses, e.g. class 180(H). |
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