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|  DSH 433
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| Components between primary and secondary1 h" p& }* ?, a
| 57.6% c, x6 b6 q; H8 ?% p1 g$ |( n
| 60601-1(ed.2);am1;am2
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Standard(s)- (year and edition):9 J- F/ [" Z( ^; A }5 @
IEC 60601-1:1988 Am1+Am2
7 V6 G+ G) i; o( u% D# LSub clause(s): 57.66 v ~ x J8 n7 f+ v8 X. x
Sheet n°: DSH-433
" `9 B' N# d0 B( z X/ I# x, ^Subject: Components between primary and secondary
, L2 M5 N j+ L7 V- f% kKey words: Reinforced, insulation, bridging ) Y8 ^& L7 l7 T. g9 K
Confirmed by CTL at its 39th meeting, in Cologne1 x& u) P4 V a: w0 K# s
Question:
1 x& I" E+ _3 C; h b# k2 rDOUBLE INSULATION and REINFORCED INSULATION are defined in subclasses 2.3.4 and 2.3.7.
# y. B. H$ T2 V; z/ v# @: URelevant requirements are in sub-clause 20 (Dielectric strength) and sub-clause 57.10 (CREEPAGE$ |2 E0 R; w. r
DISTANCES and AIR CLEARANCES). Sometimes it is necessary to bridge the insulation by
( S0 J# _4 @5 wcomponents (e.g. opto-couplers, capacitors). What are the requirements for these components?
1 i. V/ w, ^( G; W' i+ zDecision:: }: K6 v9 ?8 `+ o7 t W0 T5 K
Capacitors according to IEC 60384-14 type Y1 can be used to bridge DOUBLE or REINFORCED: |" I' Y: ?& S$ C
INSULATION.9 e( e# v1 t+ p0 y3 Y
Step by step a list with references to standards for components with requirements concerning reliability
: X) y: G0 M. i8 N1 Y. a) Pshall be established.& r3 t$ i y! W9 i$ B0 J1 ?4 q
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