|
|
1 e1 V! \ A8 u" h& x, [% g5 r J6 Q- n9 r( _
|  DSH 309* T' E9 z" \3 ?) B2 {; ^7 n7 T
| Overcurrent Protection, Note: u) W1 I4 v& V6 J, l( \0 a
| 9.64 Y! W) C& S% i1 v
| 61010-1(ed.1);am1;am2
( `* R) |. q/ M9 v# \ |
& |/ l; Q7 p, m1 m# A( W/ k- B. X0 d
Standard:
# D% U k; f3 VIEC 61010
8 d1 q* l+ y6 c' T. l# n4 {Sub clause:
G* G! v, s! j/ a* q- J9.67 z' }+ N4 h. x* T$ Y* c' K
Sheet n. 309! U* R) t7 ]: J. l
Page 1(1)
; N8 p! y1 [7 c! B3 z& XSubject:
0 D# t1 A6 |: Z2 jOvercurrent Protection, Note
l. I, h. P# XKey words:
7 w) t+ ^" s. S- Mains
1 j# \9 m2 R4 T! h4 {- Fuse
$ T9 @" y* n. Z8 w5 RProvisional decision taken by ETF3 and confirmed by CTL at its 38th meeting, in Toronto
/ @0 m4 k& e/ W7 u Q. _Question:
% d9 J3 K/ y. v) a$ s0 _, UThe note recommends that both supply conductors are fused. How is this recommendation applied?& W! ^ N+ y$ Q
Decision:
5 c9 v# k6 g* D5 r' T4 x0 e8 zThe standard allows the use of a single fuse and therefore, under CB rules this is accepted.
& e; ?# Q& k) [* _Explanation:
) L! W3 R1 ]5 G1 {1 W( j! i! AWhere a supply is not polarised then equipment employing earthing for protection should be provided with a fuse in both mains conductors.
& g" p O6 z; `# `# X9 HEvaluators are requested to draw the attention of submittors to this situation and make an informative note in the report as appropriate.
# f2 X$ W( @ c- F
$ ]5 l4 F5 T2 j$ a% n9 Q# T# h1 h3 H$ s( i# y" V
, t' a8 X, b- q+ ~
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-19 14:49
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡