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标题: DSH 498 Abnormal operation [打印本页]

作者: 小米    时间: 2012-9-9 22:48
标题: DSH 498 Abnormal operation
DSH 498
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Abnormal operation5 H/ [3 G7 h0 u' R( ]/ N
19.7
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60335-1(ed.3); b& s  a7 C% M" h

" n( q" j- g$ W+ e: b& K: ~. U" AStandard: IEC 60335-1:1991, 3rd Ed.5 [2 A- \' h( F; h3 h( F: i; F' P2 ]
Sub clause: 19.7. ]# f( s6 i% I1 j' l5 a
Sheet No. DSH-498
6 ^7 v) o- W8 L5 f  B& q# {+ GSubject: Abnormal operation
) r. U% W/ V1 C, Q; y0 nKey words: - Miniature fuses
9 h( I$ c; i% e- p8 ^: SDecision taken at the 40th CTL meeting 2003
+ y( S2 C# \5 y4 Z0 R$ bQuestion:
! M" ]+ L0 \. gShould miniature fuses for the protection of motors, remain in the circuit during the
, v" v( [. B3 d( H# Q8 \8 S' ?abnormal operation test?
+ _5 t, j& ?9 q! P, nRationale:9 Y1 \" ?. H8 M' x
See question.3 l& y$ {" z4 i) w
Decision:! M$ f# |7 \, b% n* G; V5 N: s" M6 z
The test is carried out only with the miniature fuse mounted in series with the motor.
% i3 y  m  L% `. NNo reference to 19.12 for fuses for electronic circuits shall be made.! V3 y4 l0 I7 \8 U, ^9 e& p7 ]  U# ^

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