Leakage current in secondary circuits+ C; b# {( H# M( u3 S' q3 H
17g) h/ C: Y9 n2 t; |
60601-1(ed.2);am1;am2 3 H7 N, e. G6 G, i
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Standard(s)- (year and edition): 9 x4 e ` y% E/ Y" o$ E, zIEC 60601-1:1988 Ed.2 Am1+Am25 D" z) ]" x$ c* }: v
Sub clause(s): 17 g)2 [9 A i% F/ z( `: e
Sheet n°: DSH-4059 C& r$ b" f6 j3 G7 h/ o& T
Subject: Leakage current in secondary circuits ' H8 ?& y o K4 i7 F) m+ R* cKey words: Leakage current, secondary circuit $ P) P' Y0 q, A. A# cConfirmed by CTL at its 39th meeting, in Cologne0 U# {; l) `* Y
Question:9 j3 h3 \0 j$ q- O7 ? q
If secondary circuit impedances limit the leakage current, is further investigation of secondary 0 \: X5 b! t1 H/ Wcircuits required? (refer to sub-clause 52.5). % d: o* K* @' p( |9 ^6 @: QDecision: / V$ B! c! V' R4 A sSecondary circuits providing protective means after short-circuiting of inadequate AIR # x3 N/ H; u4 aCLEARANCE and CREEPAGE DISTANCE must be investigated. Failure of components in( Z- r1 ~2 }% _: O
these circuits shall be investigated as a SINGLE FAULT CONDITION. Failure of such& G! C, B! ?' ^8 u0 |
components shall be investigated as a SINGLE FAULT CONDITION. " n6 i" a) g1 W$ z7 |, O/ s! g/ a$ p, D" J* _
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DSH 405) {. B, o3 ]& S& K# Z; }; G