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|  DSH 4244 |: r, t5 b) f+ W
* h& Z4 t, A/ e3 A! S0 _ | Component ratings6 `9 u. j0 ^8 M) K! e" J9 F
| 56.1 b)
: x# U: G* ^/ ^. A) ^; U* i | 60601-1(ed.2);am1;am2
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+ \" j) z" T, F/ S: C- mStandard(s)- (year and edition):( @7 p6 c; D8 U* k& g$ A
60601-1:1988 Ed.2 Am1+Am2! V8 V/ c# [" r6 F) b* Y- v
Sub clause(s): 56.1 b)
" h1 K( p, J! R$ D) ASheet n°: DSH-424
1 I, Z4 g, w! R: R( s# o" f* ?$ {) z1 cSubject: Component ratings
% F8 c6 p+ h# |- g. R9 h% dKey words: Component, rating, requirement
8 J& x$ [3 i! g1 bConfirmed by CTL at its 39th meeting, in Cologne0 U! X) }. ~ n {" x
Question:
; l: V; W, p0 ~56.1 b) requires that ratings of components shall not conflict with the conditions of use in: j+ L6 z6 S0 l1 Z
EQUIPMENT. There are no requirements for components themselves to meet specific' P0 _& x5 G- _* ]8 [1 a" |
standards which include the control of reliability.
) I* X* R3 v' eDecision:
& H! m3 F% V- l9 j4 {, d7 KIt is strongly recommended that components in the MAINS PART and in APPLIED PARTS
; n6 C1 X. H8 j2 g2 W/ A& ]should comply with recognised component standards, consistent with their use. The following* L R* R! P* O
hierarchy of acceptable standards is suggested:
. K4 r. B* Z3 q! B% e1. International standards (e.g. IEC, ISO etc.)
4 L4 a$ \2 O5 b y2 v! ?2. National standards (e.g. BSI, DIN, UL etc.)/ B5 z2 b0 d3 h
3. Component manufacturer standards, covered by suitable quality control procedures.( m4 }" a* q2 `9 v. }" p
The manufacturer’s tests and controls, supported by appropriate technical documentation.
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