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|  DSH 498
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2 p3 K+ y" O+ C g9 B8 C- e& J, o, H
| Abnormal operation
" Y4 L1 L# f# D6 ^/ |: t4 B6 ^ | 19.70 E% v9 Q% S0 Y V+ b" a6 d0 {4 E
| 60335-1(ed.3)
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- H3 ]% M: P1 e9 Q; V u) oStandard: IEC 60335-1:1991, 3rd Ed.! m4 z# b' s8 c' ?( G7 m# S% g
Sub clause: 19.7
' d ?7 k, u" W+ J. k# ^$ ~Sheet No. DSH-4988 \, R+ |. d6 P& O5 M
Subject: Abnormal operation7 p, l' Z; A) l! X& ?3 E0 ]: S& T( [
Key words: - Miniature fuses8 P w' d/ m: P3 ^, |5 M
Decision taken at the 40th CTL meeting 2003
7 B& g9 @$ F5 Q9 _* E5 H* A3 OQuestion:
1 {' X* P+ z g9 I" l: r5 kShould miniature fuses for the protection of motors, remain in the circuit during the* {7 n- L. t* B) v7 [
abnormal operation test?
: g7 F4 O0 R' @% T0 K0 w3 }Rationale:! g/ k: T! X4 B `8 @5 h
See question.
L' m6 X! T5 X; Z3 YDecision:/ {8 p) ?- G3 X; n
The test is carried out only with the miniature fuse mounted in series with the motor.7 c9 ?- \0 f5 b8 }; w# _
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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