|
|
|  DSH 4989 K. |% v! q4 I; v5 n; ]8 ^
" a A7 @# [* d1 H6 V9 F1 [
" T1 N& P$ ~- G | Abnormal operation
) e$ ?! y) l( @ | 19.7
# d- B. f! P4 I6 | | 60335-1(ed.3)
. B, U2 [, p' c+ N: A. W |
- f8 W& j( s% m' n6 B
Standard: IEC 60335-1:1991, 3rd Ed.: [$ W! R y: K7 H
Sub clause: 19.7/ x6 W6 I! Y( c! V; |* {
Sheet No. DSH-498
9 A+ J8 v. ^7 U$ U" oSubject: Abnormal operation
1 C- O4 q3 k/ |7 q. Y# VKey words: - Miniature fuses
2 A- ]( I: h( k, vDecision taken at the 40th CTL meeting 2003- c, `3 Y/ y! h
Question:* v. k$ q4 |/ d8 x% `
Should miniature fuses for the protection of motors, remain in the circuit during the
3 S5 e0 e! x- x3 t7 f$ ?8 m/ b& [abnormal operation test?3 F- k& s# a, q+ ]& S
Rationale:
* E: B7 }' U/ B7 Q9 Z) u1 OSee question.
) @- {7 T/ t9 zDecision:
/ b A& Q; V9 \8 J2 y, jThe test is carried out only with the miniature fuse mounted in series with the motor.6 ?7 `( c" F# |2 `* T9 ^) _
No reference to 19.12 for fuses for electronic circuits shall be made.
3 Y1 H8 D' {; n6 m A- @2 N
. Z; i( Y1 ? a) S) n! M" x( g+ ~1 r' r. l9 y- f, }0 @/ ?
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？注册安规
x
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-9 22:48
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡