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|  DSH 433
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| Components between primary and secondary! s. n8 `" W2 Y# i' W; ^# s5 b8 y
| 57.69 J6 X3 N3 w6 U9 b. w
| 60601-1(ed.2);am1;am26 L8 f5 w. ?+ ^0 g5 G
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Standard(s)- (year and edition):" n% ~- B; g9 g; l8 d7 H: z
IEC 60601-1:1988 Am1+Am2- y# H9 ]: @& i& N
Sub clause(s): 57.66 e( l3 V5 N) I3 p$ {" ]
Sheet n°: DSH-433; s8 p M0 I9 _" _
Subject: Components between primary and secondary. V+ {8 I# |7 A
Key words: Reinforced, insulation, bridging 1 Q4 g% z$ v' m' }9 H2 }
Confirmed by CTL at its 39th meeting, in Cologne. l% M$ B$ H; N2 f1 v
Question:
. y& z9 z/ g: X8 P e" z4 a9 GDOUBLE INSULATION and REINFORCED INSULATION are defined in subclasses 2.3.4 and 2.3.7.
' C2 l+ ]0 o/ b$ HRelevant requirements are in sub-clause 20 (Dielectric strength) and sub-clause 57.10 (CREEPAGE3 O! z* \. a* {
DISTANCES and AIR CLEARANCES). Sometimes it is necessary to bridge the insulation by% e6 g0 F: N R+ X/ N' o3 [/ |
components (e.g. opto-couplers, capacitors). What are the requirements for these components?
% Q9 @* ?8 I; q2 }3 n" Q# fDecision:
) h5 j, I" G/ I) v6 ~# ACapacitors according to IEC 60384-14 type Y1 can be used to bridge DOUBLE or REINFORCED3 f/ G4 U3 D" Q$ n) ~+ _3 C
INSULATION.5 n4 B) c+ F: o/ _7 d: x% o
Step by step a list with references to standards for components with requirements concerning reliability
# [$ K8 U2 M: _" R% }4 m; Pshall be established.! A5 E3 F7 B" J/ m9 e* T% a" O- t( w2 d! \
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