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标题: DSH 551 ratings exceed the Standard Sheet [打印本页]
作者: 小米    时间: 2012-11-7 19:28
标题: DSH 551 ratings exceed the Standard Sheet
DSH 551
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ratings exceed the Standard Sheet8 I- m' k/ v( r1 M; d! j: l& G
Standard Sheets
, V7 `. n6 c# C# b' [* ?9 C# [		60127-1
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Standard(s):: \, o6 L5 v/ a! U% v
IEC 60127' j. U/ H8 ^9 G2 d
Sub clause(s):* K( q! N0 q: r- ]0 d0 \8 d
Standard Sheets, I; U  K, l/ Y& |1 Y. w  Y$ L
Dec. No.* ?$ d! F3 a4 O, f! Z1 ?" L# p0 F
DSH- 5513 M  `: n$ }: K% n% q
Subject:4 z1 r9 K1 W4 u& G/ d
ratings exceed the Standard Sheet6 S2 F+ H9 }& M* |
Key words:
* L* d* X) P6 j2 Z! y- ratings
# P8 F* t6 G* J7 I! d) x7 A- specification
0 J# ^% s5 I1 k  l6 HDecision taken at 41st3 M4 m6 j7 N/ i1 c6 n$ X7 l
CTL meeting in
0 X. j$ l6 `% B: d9 K$ c1 M$ ZSingapore.
! ?4 G% x4 `- ^Question:6 D+ l* Z0 Y: g# T" A/ F! H3 v6 W
Is it acceptable to issue CB Test Certificates for cartridge fuse-links whose ratings exceed the ratings specified
' R# ]' X% D2 kin the standard?
9 J3 T: h( z2 y' P) LExamples:
5 ], S' C' @9 N* W6 m) y1.Cartridge fuse-links of time-lag low-breaking capacity of Standard Sheet 3 of IEC 60127-2, whose rating is
' p3 m% _; k8 f6 G- m2 \12A 250V.
. {4 O2 C: J& p3 n0 d" `4 c2. Cartridge fuse-links of quick-acting low-breaking capacity of Standard Sheet 2 of IEC 60127-2, whose rating" Y) u2 c0 F" s6 o  x* _! Z7 j
is 10A or 12A 250V.' B' b/ n4 T, c' A5 c
Decision:
" V3 p7 m, b! A/ _2 R8 j7 wIt is not appropriate to issue a CB Test Certificate for cartridge fuse-links whose ratings
7 ~+ \" H) x: \. r7 Y) Xexceed the ratings specified in the standard.
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