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|  DSH 4246 J, y( | X% H( t
1 J7 Q6 b& I" {& H, v | Component ratings4 A: w# W$ y8 t4 t+ f0 ]
| 56.1 b)' y( B0 j' {8 j- D1 Q3 D+ c. m
| 60601-1(ed.2);am1;am2& y0 d( ]" C, g# } j9 ^7 P4 m! J i
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8 J9 t% z. S- W
Standard(s)- (year and edition):0 N o" e- U) L9 `( ]# m* ~
60601-1:1988 Ed.2 Am1+Am2/ s0 w$ o" y/ y) C& o- t9 b6 p
Sub clause(s): 56.1 b)* z, d9 T- K' I6 a7 C1 R6 a) n+ d
Sheet n°: DSH-424
! J& R- {: a8 xSubject: Component ratings
* J5 d' H# P# B2 ?8 t4 o% z4 q, j' @Key words: Component, rating, requirement1 L9 H7 C; m/ C! g2 e' U
Confirmed by CTL at its 39th meeting, in Cologne
5 \/ g7 e* P1 V4 v7 VQuestion:5 {# f9 I/ _1 m
56.1 b) requires that ratings of components shall not conflict with the conditions of use in
" z7 j- h; D6 z' V6 Q$ o! @EQUIPMENT. There are no requirements for components themselves to meet specific* Q' }6 f6 Z3 ]8 m9 L
standards which include the control of reliability.
: q0 V0 O6 i' P# dDecision:
/ p- }( t) R) m5 H% G5 HIt is strongly recommended that components in the MAINS PART and in APPLIED PARTS
0 `: M9 g: Q- z5 Xshould comply with recognised component standards, consistent with their use. The following4 f% C0 B- S0 R- N, Z3 R
hierarchy of acceptable standards is suggested:. C% |- l% u. a/ J$ S% Z
1. International standards (e.g. IEC, ISO etc.)
3 P8 z( l. A, K+ [: S8 Z$ @2. National standards (e.g. BSI, DIN, UL etc.)
" }5 S: \9 _9 c, D+ u1 I; }! @. Z3. Component manufacturer standards, covered by suitable quality control procedures.
$ b5 x2 n* j+ W+ {1 ]The manufacturer’s tests and controls, supported by appropriate technical documentation.( A5 l8 r* K% J+ f3 M1 I
# K' p3 G: w* U [- N: |) N% j7 K7 Q% Q; ^
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发表于 2012-11-5 10:53
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