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|  DSH 309; ]! B' e0 T" q; T) L6 r) `# K
| Overcurrent Protection, Note2 [) C- \. J- x/ K) d/ W
| 9.6
" v$ `3 K* n1 e( e | 61010-1(ed.1);am1;am2
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9 ]2 y8 l. K3 Y4 B7 rStandard:0 i8 x7 [9 Q- _
IEC 61010
0 z5 r' f8 `! `( `3 [8 O3 {Sub clause:# ]. X; q" R4 L3 {7 A" i% _# m! i
9.6
! B7 c* F u r' E" oSheet n. 309: W0 P8 ?9 m, l! I, t5 x
Page 1(1)" Z* |+ X% p- |5 A$ d6 l( ~
Subject:& k2 y+ ?1 h# z, C) r( ^
Overcurrent Protection, Note# s1 S2 A: Z; v$ R7 s
Key words:
+ G1 R7 C' Y' M. W8 m; E7 h5 \- Mains$ X3 A3 n. l# k" z# b
- Fuse
2 Q7 ?: Q/ n- E% Q0 v' nProvisional decision taken by ETF3 and confirmed by CTL at its 38th meeting, in Toronto
+ A( W& ]9 V6 w! LQuestion:
# a3 R5 \5 ^, d- cThe note recommends that both supply conductors are fused. How is this recommendation applied?( B% `% a' e) Q# E) t( N. H' H( M
Decision:& k* H7 E) J" R9 V! }
The standard allows the use of a single fuse and therefore, under CB rules this is accepted.$ a8 I+ z @. V) o& ?
Explanation:
8 L0 a+ v$ A2 a3 R3 d% r0 CWhere a supply is not polarised then equipment employing earthing for protection should be provided with a fuse in both mains conductors./ G c. l6 @1 R
Evaluators are requested to draw the attention of submittors to this situation and make an informative note in the report as appropriate.3 p0 }9 L5 W( K
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发表于 2012-9-19 14:49
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