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|  DSH 498
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) i6 I+ _ r" }0 Y7 `1 h" N W | Abnormal operation% C+ s+ o& a4 q
| 19.73 b" H+ P/ S- q1 }0 A: t' b+ ?
| 60335-1(ed.3)
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Standard: IEC 60335-1:1991, 3rd Ed.! }) @4 E% t0 y( F. _; j) x7 Z" B
Sub clause: 19.7
' ^/ ]& I9 ~ c- n# I$ LSheet No. DSH-498. s e, H! r' v
Subject: Abnormal operation
) j6 `0 e( q' Q+ BKey words: - Miniature fuses
# x5 c L. n- U* b. ^Decision taken at the 40th CTL meeting 2003# c& w7 a9 C, M8 h
Question:
. N! I6 w8 e% C; H: vShould miniature fuses for the protection of motors, remain in the circuit during the2 V* W0 L( I6 E6 R$ T4 o! S. U- B
abnormal operation test?# m. S5 b- Y7 S9 [' H
Rationale:
8 u7 C: q! _" N0 ASee question., L, I+ r+ H: b }0 B1 n
Decision:+ _ N& A/ l- g3 u
The test is carried out only with the miniature fuse mounted in series with the motor.0 M: ]0 D4 A. v1 F" {
No reference to 19.12 for fuses for electronic circuits shall be made.' X) g4 @+ N, f' X9 S, l! l
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发表于 2012-9-9 22:48
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