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|  DSH 3096 o2 g1 Q1 W% K9 X/ ]/ b* i: l
| Overcurrent Protection, Note
, P0 i n6 r8 r5 w* z | 9.6
0 v; O4 H; O0 Q | 61010-1(ed.1);am1;am2
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Standard:+ ~0 ?8 Q" Q* {
IEC 610105 S0 }' N# t) o' T: P* T
Sub clause:
. S7 f: `1 _$ u# I! W9.6( M9 I: s" @% Y6 |. |& C3 T3 m; Q \
Sheet n. 309
( N; i% g1 t2 Y6 l! A) jPage 1(1)
# Y, m0 _& y3 eSubject:
; t* K4 o6 V8 uOvercurrent Protection, Note- a) Q- a9 e4 f7 q% m
Key words:
0 a. A3 q* a) P: ?6 P$ C* T7 y- Mains
8 y7 ~9 V1 w# [! ?7 [% |; k- Fuse U v% k5 `4 J) V- G+ V
Provisional decision taken by ETF3 and confirmed by CTL at its 38th meeting, in Toronto7 S0 d# d8 G3 C; u4 y
Question:
. j0 Z. d. v- K$ |The note recommends that both supply conductors are fused. How is this recommendation applied?/ O) ^7 ^* n9 j0 @5 _* s
Decision:
$ f& E j, O, J- i5 F# q" F3 [The standard allows the use of a single fuse and therefore, under CB rules this is accepted., s: [' u, |4 g" g4 F
Explanation:
$ @/ D9 e% ~% m8 [. O3 {* M: FWhere a supply is not polarised then equipment employing earthing for protection should be provided with a fuse in both mains conductors.
# _8 a( j% c4 q4 {) H; KEvaluators are requested to draw the attention of submittors to this situation and make an informative note in the report as appropriate.8 f% b+ z/ ?* b6 T) _; M2 B
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发表于 2012-9-19 14:49
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