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|  PDSH 551A
* B: x3 R$ F; a& G; k% B6 e6 r
; s) U/ ]' u7 W0 l, f' [8 A4 \ | Ratings(current and/or voltage) exceeding those in the Standard Sheets
: S- Z1 E+ B% ^- y | Standard Sheets
' _: j2 K4 t' \7 Q& N) w+ K | 60127-1(ed.1);am1;am2 & 60127-1(ed.2);am10 [ c- T2 D* y# l! h. R) `6 W4 ~/ @
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+ |- ^ ^- D7 x. _; B5 `Standard(s) (incl. year) Subclause(s) No. Year1 l, j% D3 J! g" m
IEC 60127
: K- p/ B- V/ q/ j$ \1 H2 vStandard Sheets/ m; @! ~2 x* M" ~; Q: X- G& G
PDSH 551A% Y. Y/ d" t' H5 Y+ P
2012 Category
C7 G! d! N, m; x2 rPROT Subject Keywords Developed by To be approved; F* e, F9 t/ n3 p6 ~: M! H0 x
Ratings(current and/or voltage) exceeding those in the Standard Sheets+ R4 b) f2 ^; m- k- g
Ratings, Specification, Rated current, Rated voltage* b, `+ O% H; N2 M0 c
ETF 76 `2 G# ?8 N N R% C8 p- n
2012 CTL Plenary Meeting Question9 Q, e" _& g5 i! T3 U% e
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?' l' x& T5 C* u) F
Examples:
9 u6 O7 u, o* |( ^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;
+ G# M2 p8 t! I, l, t( c& W2. 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;
* r/ Y, T% J) O, l7 N3. Cartridge fuse-links of time-lag high-breaking capacity of Standard Sheet 5 of IEC 60127-2, whose rating is 12 A 250 V.
6 P K) y3 Q8 L1 k4 m$ pDecision
6 o( K+ D1 c& k- T; _1 a3 ZIt 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.0 K! x8 R, h7 q7 o+ S( ^3 Z
Rationale:
8 T4 S2 i! v! J# v' i- h1 y y" jIt is not appropriate to accept non-standardized specifications to issue a CB Test Certificate, which is to confirm compliance with internationally validated IEC standards.
5 k) D- t `3 m
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发表于 2012-11-7 19:42
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