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标题: PDSH 551A Ratings(current and/or voltage) exceeding those in the Standard Sheets [打印本页]
作者: 小米    时间: 2012-11-7 19:42
标题: PDSH 551A Ratings(current and/or voltage) exceeding those in the Standard Sheets
PDSH 551A3 W' s; ?" o/ w* w5 R
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Ratings(current and/or voltage) exceeding those in the Standard Sheets
5 w( v. u( ?  R: t. `		Standard Sheets
2 q8 u# I  A; z: V0 J" f. U4 C) v		60127-1(ed.1);am1;am2 & 60127-1(ed.2);am1
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" w. ^# U1 ^& z3 `% I6 iStandard(s) (incl. year) Subclause(s) No. Year/ `; u0 D# O  p9 ^: N# P4 Y
IEC 60127
8 F+ s/ o8 F. w# Q! d" f! [" O9 {Standard Sheets5 g7 G8 D  N3 A
PDSH 551A0 ]% F2 v6 J  T6 C; I( ~8 }
2012 Category
; A( {" t. O4 X- K. APROT Subject Keywords Developed by To be approved
; l4 ]. H) S' U6 ^8 qRatings(current and/or voltage) exceeding those in the Standard Sheets9 Q) a  d' M. ]* o: |1 T. ]% K& @' @
Ratings, Specification, Rated current, Rated voltage3 u4 t# a. g1 Y6 Z! |) [9 U1 [
ETF 7
- m+ S9 i: h( u% h' C% Z  r2012 CTL Plenary Meeting Question
7 |0 i: Z& Y7 T. N( u: J1 k$ T5 C4 `Is it acceptable to issue CB Test Certificate for miniature fuse-links with ratings (current and/or voltage) exceeding the ratings specified in the standard?: Y3 b+ l# }1 t5 \3 Y% L
Examples:0 b& {7 P: Z0 S: ~& d8 M
1. Cartridge fuse-links of time-lag low-breaking capacity of Standard Sheet 3 of IEC 60127-2, whose rating is 12 A 250 V;
8 e( X0 r+ G0 h( g. n2. Cartridge fuse-links of quick-acting low-breaking capacity of Standard Sheet 2 of IEC 60127-2, whose rating is 10 A or 12 A 250 V;
! p/ K( A! c8 t  Z/ e+ @) L" }5 C3. Cartridge fuse-links of time-lag high-breaking capacity of Standard Sheet 5 of IEC 60127-2, whose rating is 12 A 250 V.
, j, Y* ]* Y* R* @4 JDecision
! L1 @* c5 F1 [* bIt is not allowed to issue a CB Test Certificate for miniature fuse-links whose ratings exceed the ratings specified in the standard, even though the shape and dimensions are as specified in the standard.4 s& M: {( A" R( E  k2 \
Rationale:
  Y& h6 w; @2 f+ hIt is not appropriate to accept non-standardized specifications to issue a CB Test Certificate, which is to confirm compliance with internationally validated IEC standards.
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6 L3 |. `! B, @$ f$ n4 ^[attach]77221[/attach]/ g1 n3 L; k/ m$ W) C4 ~( `




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