PDSH 550A Acceptance of miniature fuse-links that have different dimensions from

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PDSH 550A

Acceptance of miniature fuse-links that have different dimensions from those specified in the standa ... ; g' \! b( H# d9 X! p8 L% a

Standard Sheets & x1 I! ]/ W+ j2 [  O: j. H8 l; j% c

60127-1(ed.1);am1;am2 & 60127-1(ed.2);am1 6 J+ p0 V& [& [$ T4 X' X

& Z: r  [3 e+ YStandard(s) (incl. year) Subclause(s) No. Year
IEC 60127
! a4 |0 G) e1 }/ d  ]Standard Sheets
; F0 ~, Y3 q" P5 gPDSH 550A
2012 Category
PROT Subject Keywords Developed by To be approved
, l) C2 v2 `/ B6 zAcceptance of miniature fuse-links that have different dimensions from those specified in the standard
; G: C$ r- ]: K  {Shape, Dimensions
ETF 7
/ H) v6 Y7 ]- D& _7 S; {- g  v  V. E2012 CTL Plenary Meeting Question
9 P1 O9 X- S" ]/ u% b' p! iIs it acceptable to issue CB Test Certificate for miniature fuse-links with dimensions deviating from the Standard Sheets of IEC 60127?
Examples:
- d2 q) h* U4 R  E' w4 e1. The sub-miniature fuse-link of Standard Sheet No. 4 of IEC 60127-3, with shape and dimensions as specified in Standard Sheet No. 2;
2. The length and/or diameter of cartridge fuse-link is longer or less than those specified in the Standard Sheets of IEC 60127-2;
) Z, W  h" s' h% |9 `# e3. The sub-miniature fuse-link of Standard Sheet No. 3 of IEC 60127-3, with shape and dimensions as suggested by the manufacturer.
. I! F( v' R! w8 r! s* C7 A7 eDecision
" t5 L6 N) N2 j4 P3 M2 m# T: C! Z5 {It is not allowed to issue a CB Test Certificate for miniature fuse-links with shape and dimensions that do not comply with the dimensions specified in the standard, even though all other requirements are met.
2 g1 s$ }6 U, W) H' I0 WRationale:
It 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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