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|  DSH 424- t1 `$ N; i% T' X' q \
! q1 ?1 K% H* t1 R& x; ?1 C P
| Component ratings
, B8 n4 K8 V1 b' W/ h+ e2 r | 56.1 b): [+ y- N* W7 m& }
| 60601-1(ed.2);am1;am27 e5 Z/ f, V+ D, W: v9 u
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* ` b/ o$ I) PStandard(s)- (year and edition):# t( s* `7 H y D% j
60601-1:1988 Ed.2 Am1+Am2: g3 p! J: ^9 ?) z' m
Sub clause(s): 56.1 b)6 s$ @6 O L1 m9 c+ Q. j) k
Sheet n°: DSH-424
5 Y7 _, d3 w" Z' @* u1 g# `Subject: Component ratings
% D I% q5 N- }0 y4 NKey words: Component, rating, requirement' I# Q# |# W0 d3 O, A& G
Confirmed by CTL at its 39th meeting, in Cologne+ O: k* X* y9 h4 D9 ~5 x+ P
Question:
" C& ?: M" K# P4 H1 s56.1 b) requires that ratings of components shall not conflict with the conditions of use in% q! R9 c! |5 h
EQUIPMENT. There are no requirements for components themselves to meet specific& g3 ]/ {7 y2 s0 y& r' a
standards which include the control of reliability.' v3 m. Y% n0 _2 @; P3 y
Decision:
6 i/ } g. k; N5 vIt is strongly recommended that components in the MAINS PART and in APPLIED PARTS
+ W+ r4 ~, q Nshould comply with recognised component standards, consistent with their use. The following
- K) v8 P6 v& U/ ?hierarchy of acceptable standards is suggested:6 [+ |) H o! K
1. International standards (e.g. IEC, ISO etc.)
" T5 x4 I; t* e# p; h2. National standards (e.g. BSI, DIN, UL etc.)
( f& U( j, X% z ~3. Component manufacturer standards, covered by suitable quality control procedures.- F7 k% z6 P' n
The manufacturer’s tests and controls, supported by appropriate technical documentation.
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2 i5 o8 P/ P, |. Y. e- K. t% N, R, y$ U3 v; ? M
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发表于 2012-11-5 10:53
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