PDSH 551A Ratings(current and/or voltage) exceeding those in the Standard Sheets

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灯具防风罩

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IEC60335试验指甲

PDSH 551A ! r, q7 V5 v% e7 ?! A4 o

Ratings(current and/or voltage) exceeding those in the Standard Sheets 9 {9 Q0 V; _2 A: |  ^  W

Standard Sheets % @9 e4 G2 e1 E; l

60127-1(ed.1);am1;am2 & 60127-1(ed.2);am1

Standard(s) (incl. year) Subclause(s) No. Year
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Standard Sheets
PDSH 551A
2012 Category
PROT Subject Keywords Developed by To be approved
Ratings(current and/or voltage) exceeding those in the Standard Sheets
Ratings, Specification, Rated current, Rated voltage
ETF 7
7 C$ l  O) a- s0 @3 Y2012 CTL Plenary Meeting Question
9 y9 a9 b, k- ~; y: G; B, LIs it acceptable to issue CB Test Certificate for miniature fuse-links with ratings (current and/or voltage) exceeding the ratings specified in the standard?
Examples:
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;
7 ^9 U) u% {! P2 J2. 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;
- _/ c1 s; c6 A0 {' n4 E7 ]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.
; x1 E6 U% L: Z9 y1 w1 q7 b* qDecision
& B% L8 S2 U% h: B3 GIt 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.
/ `2 r& b9 z4 Z" v9 BRationale:
) X$ {& {8 U( z- NIt 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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