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|  DSH 498) X, q- T3 S4 t' \" s2 Y
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# |5 U1 q- r& N" Y/ Z3 T# _" g" w | Abnormal operation+ a7 m3 k! w5 y1 L3 [8 n e
| 19.74 I) o+ `- L& x1 G, m6 b
| 60335-1(ed.3)- S/ [6 M% F9 O4 b
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$ ]8 o K4 N( V9 G" S! }, N7 m# hStandard: IEC 60335-1:1991, 3rd Ed.
' ?3 i; k1 o4 ]& ~- T( CSub clause: 19.72 u* c( ~" Z6 M3 c+ ]
Sheet No. DSH-4984 D; E9 b+ Z- V; X0 w
Subject: Abnormal operation+ `1 w0 `0 V# p) b
Key words: - Miniature fuses
) |- n; C' F7 W+ [Decision taken at the 40th CTL meeting 2003; d" ]0 o, a. t6 M9 [7 a( I7 }( S
Question:+ l& @- A, J3 h; R' `+ ^, `! v1 h
Should miniature fuses for the protection of motors, remain in the circuit during the3 ^$ `- ^( Q# h
abnormal operation test?
- J3 p0 g" K* P) H- x* V& @+ {Rationale:
: w! b. C- |; D/ j4 L4 GSee question.
0 {# N% `: d j+ \Decision:9 h' F# Y. I4 K- |$ ~2 w
The test is carried out only with the miniature fuse mounted in series with the motor.0 @1 X+ G9 r" l j4 u8 d. K7 w
No reference to 19.12 for fuses for electronic circuits shall be made.: S: t0 p) R8 v0 S2 j
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发表于 2012-9-9 22:48
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