DSH 498 Abnormal operation

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DSH 498 6 E% d' w! j" J, g! P' e# J% f0 z 7 i1 y0 p- f( o

Abnormal operation

19.7

60335-1(ed.3) 3 H; Z1 o" i, _+ j+ s

! |9 R. R/ X' f9 I2 [7 }5 HStandard: IEC 60335-1:1991, 3rd Ed.
Sub clause: 19.7
Sheet No. DSH-498
0 N: _1 V6 B( vSubject: Abnormal operation
Key words: - Miniature fuses
6 y! f! `4 f, P, M) \+ b! ^Decision taken at the 40th CTL meeting 2003
Question:
Should miniature fuses for the protection of motors, remain in the circuit during the
abnormal operation test?
Rationale:
See question.
Decision:
9 F7 o' ]0 ~; X3 \# [7 }The test is carried out only with the miniature fuse mounted in series with the motor.
  A# p2 V6 E  i4 B2 E% J' |8 y5 n4 XNo reference to 19.12 for fuses for electronic circuits shall be made.
3 X, z7 B$ k# C7 Q* s6 [; T# r