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2 Z+ l8 M$ z3 @# ~- Y5 E
3 r+ B2 R5 {% [, Q( e$ _ | Testing in single fault condition
- W6 z! b, C8 b- e4 L | 4.4. p% A* h( |) g6 _& G
| 61010-1(ed.1);am1;am2$ f$ [' L" V4 k
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/ u1 j6 k8 [6 o
% y- ?8 U% m! OStandard:
3 L/ R0 k! u; y Z; AIEC 61010-1:1990 +A1:1992 + A2
1 o! _1 N. b, a" Y:19957 b- N2 v- b# k. j! j, G
Sub clause:' U2 T8 n# |9 v7 ~. W
4.43 C+ e" o; h9 R w; T
Sheet n. 361
$ f6 w" R+ d! B Y0 y2 k, KPage 1(1). }" W2 c% }; \5 v
Subject:( s7 j; u# H) b# l0 Z& }
Testing in single fault condition4 e* B4 E/ n$ N
Key words:+ d4 C# {0 {& w+ {2 N" `
- Voltage selector
0 E2 }' F1 T, C9 W( _' t- Voltage selecting7 F2 |2 y9 w K2 O$ w. C8 K7 i
mismatch
3 b% R7 x3 ~% W( JDecision taken by$ Y2 R& K0 r# O4 Y9 r1 f( f
ETF3 and confirmed4 T1 K, K7 d V
by CTL at its 38th
2 \! s. F$ j4 D2 L3 l/ Omeeting, in Toronto9 Q2 P: C" i& l, w# A
Question:
8 [2 u; D( R& N) T% c( eFor products employing a voltage selector switch (120/230V) for an input voltage which is7 H$ Z$ x! V: o5 w/ Q0 l
accessible to the user, should a mismatch abnormal test be considered?8 J6 K. E# H5 d; H& W' `) w& p9 x1 l: O
Decision:
6 E4 M& y/ j% d' {. Y! ISFC test must be considered as required by sub-clause 4.4.1 where there is a hazard.0 B7 [( E( t" d: W5 G$ u* {# o
" | t3 D# q1 V/ e* y
3 F# |0 e% O" i9 M1 J8 ^9 I1 K+ A8 N# N% J; P0 Q' x
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发表于 2012-9-18 12:30
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