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|  DSH 433
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/ w' V6 u- P& L- ~- I. q9 ]4 ? | Components between primary and secondary
5 m" D& J% `3 A8 j$ a | 57.6" A9 w; |2 Y2 n' B
| 60601-1(ed.2);am1;am2: J: d, Y9 N* h+ l
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Standard(s)- (year and edition):
: O+ M, H- q: e+ c. l) ?1 O: g$ gIEC 60601-1:1988 Am1+Am2
6 F+ W; K' u2 [- s/ |5 |Sub clause(s): 57.6. U+ ~* c, n5 H" |7 b) Y f
Sheet n°: DSH-4331 ?9 ^/ ]! ?, f5 S) D1 A- q
Subject: Components between primary and secondary
. B7 v$ v+ s9 ^. L: EKey words: Reinforced, insulation, bridging # H0 k# C4 |; [# }% ^/ U3 ^* Y7 |
Confirmed by CTL at its 39th meeting, in Cologne
" m+ a$ e- U7 L* ]Question:
8 S. j f+ T; a7 a1 \7 H& NDOUBLE INSULATION and REINFORCED INSULATION are defined in subclasses 2.3.4 and 2.3.7.
; i0 w5 {3 [4 k. [3 K6 MRelevant requirements are in sub-clause 20 (Dielectric strength) and sub-clause 57.10 (CREEPAGE$ S3 o3 `/ d, \
DISTANCES and AIR CLEARANCES). Sometimes it is necessary to bridge the insulation by$ G |/ L9 v H% W4 B* G3 ?
components (e.g. opto-couplers, capacitors). What are the requirements for these components?. P/ B% O% i9 P4 G/ f
Decision:4 I& J& m: s a* f; F% e3 s/ h
Capacitors according to IEC 60384-14 type Y1 can be used to bridge DOUBLE or REINFORCED4 w0 b. Q$ E# o- Y3 D% S1 ^
INSULATION.
. b; M; ?% z! f$ n+ DStep by step a list with references to standards for components with requirements concerning reliability; G, ^: r' ^, ]2 f: k' ? a
shall be established., \, n+ T; D# ]
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发表于 2012-11-5 10:19
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