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|  PDSH 551A+ b- Z4 A+ r3 u# \$ r
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| Ratings(current and/or voltage) exceeding those in the Standard Sheets
# X7 F; u. s! \+ D$ t | Standard Sheets
# R) J/ z* z% ^, D& @; i1 Z4 N2 t | 60127-1(ed.1);am1;am2 & 60127-1(ed.2);am1
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Standard(s) (incl. year) Subclause(s) No. Year2 p k6 W" x0 Y: C4 |
IEC 60127
2 z9 }' Q4 r2 H; ^* n0 w2 ^Standard Sheets" T2 y l/ a& }5 A: M7 R: i
PDSH 551A
8 q3 q: f! `* x9 N% k1 [8 A& b2012 Category; y; w, ]. \9 j; |
PROT Subject Keywords Developed by To be approved% i; a' L% G$ {) z& h1 _
Ratings(current and/or voltage) exceeding those in the Standard Sheets
( u/ d" o% q+ N$ a1 A) A/ G# xRatings, Specification, Rated current, Rated voltage/ E( E- X7 Z$ @, v, f
ETF 7
+ }% i- E, j, Y7 v) g2012 CTL Plenary Meeting Question
' \& D0 l g' x+ s7 o8 c0 aIs it acceptable to issue CB Test Certificate for miniature fuse-links with ratings (current and/or voltage) exceeding the ratings specified in the standard?
( S; o# @2 x' _6 | lExamples:
* |7 H5 V r; g, c1. Cartridge fuse-links of time-lag low-breaking capacity of Standard Sheet 3 of IEC 60127-2, whose rating is 12 A 250 V;
# k& G, \7 A- C( g/ V. s- b3 u: X2. 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;! z9 u L4 ?' j* N
3. Cartridge fuse-links of time-lag high-breaking capacity of Standard Sheet 5 of IEC 60127-2, whose rating is 12 A 250 V.0 w; b- h7 K3 s! k+ d
Decision, i3 q% `# c( z! M' Q! z
It 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.
' G) h8 G7 O, \; JRationale:7 D. I8 |9 E$ g0 [* n7 D4 W# q* Q
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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发表于 2012-11-7 19:42
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