Internal battery for back-up power1 ]4 r8 a/ B- B9 n2 s3 B
6.8.2, 6.8.2 e)6 _. v0 J% ]4 N+ i9 V6 _! N
60601-1(ed.2);am1;am2 " z# Z0 L' B2 e+ N" Q& f3 ?
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Standard(s)- (year and edition):# W# ~# [3 \$ ?& C* z. k) v
IEC 60601-1:1988 Ed.2 Am1+Am24 L. s; ]) ]% g5 a) R% _; o
Sub clause(s): 6.8.2 6.8.2 e) 3 ^7 V" X A ^- ]& h! d, c) ]Sheet n°: DSH-419 " S$ v) W% z3 A8 k4 t- VSubject: Internal battery for back-up power & R4 T9 g# e% I/ s0 H' T( L# rKey words: Internal battery, Protective earth terminal. R6 K6 e! e2 [
Ce confirmed by CTL at its 39th meeting, in Cologne # p0 Y& A' l) x, P$ U5 D5 j8 IQuestion:! } `% ~ ?; Q4 _
The requirement in this clause seems to be a little unreasonable. Assume for example, + l* U' V3 B2 y1 i B5 k( IEQUIPMENT with an internal battery intended for back-up power in the event of a failure of the - s. T$ G8 K/ M7 ~# ~- MSUPPLY MAINS as a power source. Further, how can one say whether the external $ G2 y3 ?6 o9 r9 y# z, }PROTECTIVE EARTH CONDUCTOR arrangement is in doubt or not? ) ^; @! X. b" L! s) t+ [Decision: ' p" K, c5 i5 v3 }The Instructions for use shall include for CLASS I EQUIPMENT the following statement:, ^# N6 o: \- A
“WARNING: THIS EQUIPMENT MUST ONLY BE CONNECTED TO A SUPPLY MAINS * r8 k. F) ~4 k$ p0 H4 cWITH PROTECTIVE EARTH.” 4 j1 o0 o" `, A ~( u 2 V8 q3 w, h* k' Z* W; g2 j6 U[attach]77089[/attach]6 i6 P& M- G; d$ I
DSH 419