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|
|  DSH 551/ h! S% c6 r& G2 l( l
+ X3 M: g1 p' P2 Z! w) I) z2 F" V1 X
| ratings exceed the Standard Sheet
3 T$ T7 R0 F% z5 B" p* F2 Q- w | Standard Sheets
2 r3 }6 X$ T! o9 ^; P" ~ | 60127-1( N+ P! b6 p% U( F3 V
|
6 _9 f% N) b) o& ]+ {Standard(s):; u" N/ k0 e a% v% k( C
IEC 601270 Z8 V8 k, l; c! r8 J
Sub clause(s):
7 a1 G0 e& D1 T9 Z+ BStandard Sheets. }/ Z. u L9 ~5 @8 f4 p2 n
Dec. No.
, l+ @6 Y7 J$ p; ?* qDSH- 5517 R& J* u9 d! o
Subject:
- S. r- B% U1 X3 W E7 Yratings exceed the Standard Sheet) K! u* Y* e) A; i) x X
Key words:
@ w% a! B6 [- ratings/ |' O' B' a. m% \% `0 X+ x6 }
- specification& M8 s- f9 h4 Y3 p$ r* _
Decision taken at 41st
5 o1 {/ C t! WCTL meeting in- j7 o% q2 W- P& b, x
Singapore.
_6 X* o( J8 ^% O" m1 b3 xQuestion:4 |2 [5 F7 ?! E
Is it acceptable to issue CB Test Certificates for cartridge fuse-links whose ratings exceed the ratings specified
" D; E' Z$ O! Y U3 I: j! [" jin the standard?. W* ~" z1 n' W) \, W' J$ v
Examples:
Q0 F Q- y% q& c1 ^8 ~1.Cartridge fuse-links of time-lag low-breaking capacity of Standard Sheet 3 of IEC 60127-2, whose rating is
. e4 b* t$ B3 M/ o, n2 @12A 250V.) p0 D' f1 E- v' Z7 Q9 d7 m5 ~: k
2. Cartridge fuse-links of quick-acting low-breaking capacity of Standard Sheet 2 of IEC 60127-2, whose rating
. W1 }: \5 P1 K/ b) d- Pis 10A or 12A 250V.
@$ S( O5 C# B; t6 {% I1 dDecision:" ?" @! F% X7 a% o
It is not appropriate to issue a CB Test Certificate for cartridge fuse-links whose ratings
6 d# g3 H2 {6 W2 t8 S1 A/ mexceed the ratings specified in the standard.
$ T6 T1 {) G- g, R1 J/ k4 ~! ^9 i# N, c4 u3 k
1 a8 [* c$ o# O- ]' g, M |
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发表于 2012-11-7 19:28
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