DSH 498 Abnormal operation

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DSH 498 9 a* E  N/ t+ |+ q$ ?! a   m) _4 a$ {' T/ H7 M8 G% i 2 D  h, j+ ~0 i# w

Abnormal operation

19.7 6 p2 V: e. _1 a

60335-1(ed.3)

6 c9 J! m* x: g( |3 Z  bStandard: IEC 60335-1:1991, 3rd Ed.
5 X5 f" [% `) ~7 P6 S8 NSub clause: 19.7
- Q( |% U7 o6 I9 k! h3 T! _Sheet No. DSH-498
Subject: Abnormal operation
Key words: - Miniature fuses
Decision taken at the 40th CTL meeting 2003
# Z5 G" C# m- F$ z8 B. t7 JQuestion:
Should miniature fuses for the protection of motors, remain in the circuit during the
- a- _* S8 N/ F: Gabnormal operation test?
7 G: o) f- ?* }6 KRationale:
( D3 S+ G# p9 z3 U: R5 }3 NSee question.
0 h# F4 \; P  t4 E4 g" pDecision:
! T. {( J5 z" {The test is carried out only with the miniature fuse mounted in series with the motor.
No reference to 19.12 for fuses for electronic circuits shall be made.