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|  DSH 403' L5 N [9 Y% i2 u
% C h2 c1 V. z8 _$ B' a8 X | Capacitors0 G# d8 B4 u) W% l
| 52.5.9: d2 f* d7 k7 V5 r; G6 |: F9 p
| 60601-1(ed.2);am1;am2( Q- o" K5 D' X4 b' s
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Standard(s)- (year and edition):
# x& U6 A: Z1 s7 Z2 M( e8 E5 W* i, tIEC 60601-1:1988 Ed.2 Am1+Am25 j" `. M, y7 t$ M
Sub clause(s): 52.5.9# P! @3 N1 K5 V; r+ J* B
Sheet n°: DSH-403
, X: a w, h% K8 ~& \Subject: Capacitors$ M0 C3 H2 W! m/ V+ g- J( k5 i
Key words: Capacitors, supply mains
% }" @- h% g# M+ }$ m# VConfirmed by CTL at its 39th meeting, in Cologne
2 o) I1 o/ q9 l+ Z" A3 } jQuestion:
4 X8 U8 T) R) I4 _3 `/ \The Rationale to 57.7 is in contradiction with the requirement in 52.5.9. For instance, any
1 a7 [4 e- K2 X3 Xcapacitor connected on the SUPPLY MAINS side of mains fuses would, in the case of shortcircuit
7 U& s+ P9 J }) n* p2 S# qfault, imply that the safety depends on safety devices external to the equipment in which8 T8 U3 } x$ N; z8 g' \
the capacitor is mounted.5 G8 E9 G: O* X; B* ?+ M5 z
What shall be required of components connected on the SUPPLY MAINS side of any mains fuse( b) I6 q. B. \, |0 N
or OVER-CURRENT RELEASE? For instance, shall capacitors complying with IEC Publication: @- K! v+ |5 U& ^
60384-14 be accepted?
# _7 p& G2 Z5 `3 n3 v, K, u0 j9 iDecision:1 x% u& ~/ \: S p
For these c omponents, compliance with a relevant IEC standard should be sought. If no suitable6 j: ~1 V7 A. E/ X8 {; a1 X
standard exists, examination of characteristics, evidence of reliability should be researched as
% z8 D, \# K( M5 J! Xclause 3.4 suggests (equivalent degree of safety).3 d I9 D+ Q1 i+ A7 [7 C
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