0 d$ r! B& O0 s6 G8 n: }$ ^5 JStandard(s)- (year and edition): : v: l! X5 W% Y& i! uIEC 60601-1:1988 Ed.2 Am1+Am2 : V; T( [3 q4 V0 `/ i& tSub clause(s): 52.5.9. J6 [* H2 D5 S! q1 D
Sheet n°: DSH-403" V- q3 F* `6 O5 h
Subject: Capacitors4 l3 J5 d$ Q, `
Key words: Capacitors, supply mains ( ?& M4 b x+ J+ r. \3 C6 iConfirmed by CTL at its 39th meeting, in Cologne* R+ c0 a; o* D/ ?/ r" ~% A
Question: : f* e( Q }4 _/ x1 Z" rThe Rationale to 57.7 is in contradiction with the requirement in 52.5.9. For instance, any 8 A& O! b: q$ @/ q4 Ycapacitor connected on the SUPPLY MAINS side of mains fuses would, in the case of shortcircuit & W2 \& A5 q0 zfault, imply that the safety depends on safety devices external to the equipment in which# ?5 P$ f* H J: F6 B# k
the capacitor is mounted.- V( R* A7 c% }
What shall be required of components connected on the SUPPLY MAINS side of any mains fuse * Q* [8 F' J- H3 _$ Eor OVER-CURRENT RELEASE? For instance, shall capacitors complying with IEC Publication 8 q# ]# H6 }- d0 |; F60384-14 be accepted? + r! W' q; }7 a, K/ ]) xDecision: 7 ~& x+ _: G- v' N+ `; T3 k$ ?For these c omponents, compliance with a relevant IEC standard should be sought. If no suitable n* ~8 P, z7 e. Kstandard exists, examination of characteristics, evidence of reliability should be researched as . |# l4 [7 O: ~clause 3.4 suggests (equivalent degree of safety). 3 c% h( t' h8 L8 P1 ` Z0 H; g 3 u! w& K% w/ N6 q5 \5 \3 { O[attach]77105[/attach]8 u" e) S, S( T, ]8 m) s
DSH 403" L) L0 J" o7 s4 w