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|  DSH 498
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4 W' t6 b! l9 e' v4 Z | Abnormal operation) K) h# J) U- G; v$ c: @7 y1 j. q( N8 f
| 19.7
# L# l( ]3 W* n \+ x | 60335-1(ed.3)
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* M$ _* R* {3 f: z7 _/ n7 eStandard: IEC 60335-1:1991, 3rd Ed./ F5 S. P% X+ |" y
Sub clause: 19.7/ b2 r8 I5 i: |: y! W% q
Sheet No. DSH-498
" L# u; }) L! I3 }! t1 U; LSubject: Abnormal operation
- D. u7 u" j' _$ m% W; OKey words: - Miniature fuses* k) J; T& i* D9 r4 L) p0 S
Decision taken at the 40th CTL meeting 2003" K, q+ U( w: T0 y6 K9 Z' }! d3 @
Question:" I0 O! i: N4 m h4 U
Should miniature fuses for the protection of motors, remain in the circuit during the
, Y+ j: n% r# M' W" F+ o9 G. e) ~abnormal operation test?+ X3 B; t0 x$ V1 g1 x& q: |; r
Rationale:/ o! ~/ s' ^ U; d/ x8 }
See question.
' B! |) J* ?: v; o% b) h/ y5 g) V$ YDecision:
, C% X- J0 d: P2 Q1 T7 lThe test is carried out only with the miniature fuse mounted in series with the motor.2 z8 H6 k/ D0 e" | Q0 c, k9 @
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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