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|  DSH 551
* t9 Q" R( }& r3 p! g' n7 o/ B" C. f3 x8 R/ c$ `
| ratings exceed the Standard Sheet# w9 W2 ~/ \ ]* c% Y6 v
| Standard Sheets
1 K. Q2 O. o" M | 60127-19 @9 c& }$ z$ H3 L
|
5 x1 |! j9 g5 R$ _9 n
Standard(s):! o8 J9 o0 @6 K: o4 {* Y; i' q0 f
IEC 60127
* Y) l' k3 B: [Sub clause(s):
1 \: x7 s$ k9 B: P* gStandard Sheets
0 O" w0 n$ e4 W6 y# ?% [Dec. No.
3 Z+ R+ p4 X8 N, bDSH- 551$ E. r% L: a' ^: i9 h
Subject:# [. ]1 U( ^1 d. k; J
ratings exceed the Standard Sheet+ i) K) @$ y1 Z4 D7 ^4 w; l
Key words:
6 H2 o/ y: n6 [, e& Y1 a9 C- ratings
* p* \4 C9 }5 ]1 T, m8 E- specification
' O! {. {: M; n3 }! _0 LDecision taken at 41st
7 h2 O, @2 i8 O9 w- g1 p. [' TCTL meeting in& l6 o9 j+ ~) W
Singapore.
6 Z2 |! p5 \( s* ]2 C" _Question:
) S; z/ T6 x4 Q9 W2 qIs it acceptable to issue CB Test Certificates for cartridge fuse-links whose ratings exceed the ratings specified
, r$ e0 r+ u8 ?in the standard?
9 ]4 r9 ?3 _7 U! k/ Q. EExamples:7 K* c: J( T# p: O/ g/ @+ o& j
1.Cartridge fuse-links of time-lag low-breaking capacity of Standard Sheet 3 of IEC 60127-2, whose rating is
, {/ e" g# U5 T6 H1 L8 [% a12A 250V.
) L: c0 `, |1 B' I/ r* _5 S2. Cartridge fuse-links of quick-acting low-breaking capacity of Standard Sheet 2 of IEC 60127-2, whose rating+ s: ^0 A% n7 ? M
is 10A or 12A 250V.
$ K' X. S- r0 j- ?, j0 D) y f8 tDecision:
' ?" `5 X& C1 S3 C3 X1 ZIt is not appropriate to issue a CB Test Certificate for cartridge fuse-links whose ratings6 d7 W5 S4 e8 u7 Z, b! a5 P- j
exceed the ratings specified in the standard.% B6 H: P( K3 f9 v
% A/ C% _- Y; |* y. a! F& _. b' M
7 k7 B- [1 _$ T) e/ N3 J6 T
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发表于 2012-11-7 19:28
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