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: j" d3 }+ P* I' c9 r' eStandard(s):8 y" \9 }1 ?0 p2 x* Q% o# ~* T3 S
IEC 601272 k3 [% a# m+ d; I# L
Sub clause(s):
% o. e1 o1 w8 m" @Standard Sheets
) i% |( }6 _& m" Q8 D. y( t! z6 `Dec. No.
& m: {* v& e6 ZDSH- 551
2 C. W# p2 ?+ ]# G% m2 x/ XSubject:
/ f" j$ }; K# Z& x; B9 Gratings exceed the Standard Sheet
- A2 |" j& K; e yKey words:' N5 }3 e# z M8 w
- ratings- z8 s0 @# w+ b1 g! v3 Y) w
- specification4 T9 \7 ~/ P( I' A( e) y$ ?, d
Decision taken at 41st- y8 e- z2 I0 v* y
CTL meeting in ^' |" u& x9 s1 K" G6 z
Singapore.
6 }: y: V# C+ Z4 p7 y T; dQuestion:# s% Q$ r `4 ]: w1 G5 f ]
Is it acceptable to issue CB Test Certificates for cartridge fuse-links whose ratings exceed the ratings specified
1 ^0 g. f7 l( \1 i$ Y! [! R( ^in the standard?
* N1 |* {; p8 `9 D) O- j& o/ Q7 }Examples:
$ i' }0 Q: k1 G& O9 U6 M1.Cartridge fuse-links of time-lag low-breaking capacity of Standard Sheet 3 of IEC 60127-2, whose rating is
+ {5 } [" i: L& i4 n! E12A 250V.
]) F0 e9 ]5 s6 K6 u2. Cartridge fuse-links of quick-acting low-breaking capacity of Standard Sheet 2 of IEC 60127-2, whose rating5 |; Q) U9 s4 M% u3 p1 d
is 10A or 12A 250V.( x, D6 b5 p6 }+ O) B4 S
Decision:
6 O; q/ {. w' l9 @" g- }- FIt is not appropriate to issue a CB Test Certificate for cartridge fuse-links whose ratings1 }* w5 b) w8 ]5 o2 i: G0 i3 `
exceed the ratings specified in the standard.
$ a1 P) n3 i8 p+ Q T- q
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发表于 2012-11-7 19:28
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