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|  DSH 498
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2 i E; C) y& B1 b
| Abnormal operation( s f! b5 M& K
| 19.7# p0 r8 Q% M" [% D8 V1 `' P
| 60335-1(ed.3)6 Z5 D9 Y* g: A0 h l- _
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Standard: IEC 60335-1:1991, 3rd Ed.5 t: o. E7 y; I- x* |2 |
Sub clause: 19.70 Y* N" X/ r% L* h& G
Sheet No. DSH-498
# d5 H0 ~' k! P* v+ P6 g" C* GSubject: Abnormal operation
) w8 O2 @( }# k2 Z& S2 dKey words: - Miniature fuses
: {/ f+ S- p' f/ bDecision taken at the 40th CTL meeting 2003
, w7 c* o" F M5 Q8 G- |( AQuestion:: Z: |( k2 S: C& L0 p. W& f
Should miniature fuses for the protection of motors, remain in the circuit during the
: M# ^4 `3 o+ I8 _( R" {2 Aabnormal operation test?) H; t k% ~* u, `9 j: G! C1 V1 x0 X
Rationale:) g3 y/ R4 I2 T7 q2 f; I* _6 l
See question.8 v7 i" c3 V2 W
Decision:" t5 [9 b# b3 q) I
The test is carried out only with the miniature fuse mounted in series with the motor.& A4 m% m9 T# U6 U& K$ X
No reference to 19.12 for fuses for electronic circuits shall be made.
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发表于 2012-9-9 22:48
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