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|  DSH 498
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* P2 J. x. v3 h2 n8 n | Abnormal operation
! D- J$ u& e( F0 {* L | 19.70 s- X% W9 B0 ?- f- C! O
| 60335-1(ed.3)
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7 ?& x/ i) @* i3 bStandard: IEC 60335-1:1991, 3rd Ed.% c* n, Q9 m i# g
Sub clause: 19.7
! Y+ L; x: a1 k* e0 SSheet No. DSH-498' l; P4 C9 Z7 i& b9 W+ ~
Subject: Abnormal operation
( @& e7 y: h) Y' \0 vKey words: - Miniature fuses
8 w3 m$ ]7 p& ?% q- y+ m3 a, _Decision taken at the 40th CTL meeting 2003
( M: g8 q5 m9 B% _ N8 ]Question:# b$ g, H' H5 O* d
Should miniature fuses for the protection of motors, remain in the circuit during the Q% Z; _8 a2 s' d7 {0 F3 i( J
abnormal operation test?
2 _" E5 \" ]. O9 t" r4 K! eRationale:
' |0 A% _/ P9 D5 }See question.
8 d. t9 G) `1 ]; @2 r0 U t4 MDecision:1 d: J6 M. Y, z- D$ K
The test is carried out only with the miniature fuse mounted in series with the motor.
+ f" j9 F8 N+ c, l7 F& XNo 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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