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| DSH 494$ m3 L' ?0 S/ T$ o
8 U8 H3 f& k4 U9 y | Construction
" S0 T8 c) v5 h, Z | 22.42- C# B# ?: ?/ [+ W" G
| 60335-1(ed.3)0 s' \1 e% P8 n J; U
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' e" i+ m; p/ ~: k5 r: v$ LStandard: IEC 60335-1:1991, 3rd Ed.
% B3 h/ n0 O. r2 v8 [7 D4 n; S8 qSub clause: 22.42
+ J; _% n) q7 b0 `3 sSheet No. DSH-494$ k4 f! J+ B+ W6 T
Subject: Construction2 ?: U& S- t5 G3 d8 e; c( s% @
Key words: - Protective impedance - Y1 capacitor
" V ]% L; m5 W7 T# }Decision taken at the 40th CTL meeting 2003, G) h/ V7 M% a, I3 B7 ^5 b
Question:
; ]& W, o2 n1 A6 g$ P3 l3 D/ p6 MCan a capacitor be used as a protective impedance?
0 a5 ^4 y0 ]9 e2 r C& b! }Rationale:
: s# A- ]$ v+ WSee question.- d6 s. ~+ j5 {$ O8 C
Decision:: g) h: m, U- A g( Y
A single Y1 capacitor is not allowed as a protective impedance.$ E- D' I) Q' B/ y/ `7 O
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