Internal battery for back-up power / m2 O3 t! l6 R+ S3 |9 ]
6.8.2, 6.8.2 e) 7 n- ?. [' c' F# \# O+ W8 Y
60601-1(ed.2);am1;am25 S/ h8 G" S% I" l1 ]
* {, Z7 M0 F! M% Z, ^: U* H, _* fStandard(s)- (year and edition): 4 k7 {6 L! n( M4 c2 `IEC 60601-1:1988 Ed.2 Am1+Am2# {! l9 r4 a: w; K4 X$ l
Sub clause(s): 6.8.2 6.8.2 e) ' y* Z# r% l. p. [; I6 _Sheet n°: DSH-419 9 x) r5 M, i* Y, I6 L, q; V8 A" CSubject: Internal battery for back-up power5 J0 Z# o$ e- C; O* V6 t
Key words: Internal battery, Protective earth terminal; k l7 Y5 l. v% N* p. @
Ce confirmed by CTL at its 39th meeting, in Cologne , j% a# w7 T; ]& n- mQuestion: : v6 |" L. v+ m0 k6 zThe requirement in this clause seems to be a little unreasonable. Assume for example,. T3 I4 }/ @# k6 x
EQUIPMENT with an internal battery intended for back-up power in the event of a failure of the 5 s+ K! ~$ A l1 P) JSUPPLY MAINS as a power source. Further, how can one say whether the external * Z, e6 e2 Y: U2 hPROTECTIVE EARTH CONDUCTOR arrangement is in doubt or not?5 O7 i8 ~/ ?! j5 r
Decision: ( E" Y$ a. w) Z4 X) ZThe Instructions for use shall include for CLASS I EQUIPMENT the following statement: ; V2 y/ `( y% s! }" Y: f“WARNING: THIS EQUIPMENT MUST ONLY BE CONNECTED TO A SUPPLY MAINS5 d4 g. t8 [( ^& J: o e5 f
WITH PROTECTIVE EARTH.” \& X j3 d+ t 3 I/ |; l8 Z+ N6 L3 M[attach]77089[/attach]$ | s5 P$ j* D9 k+ [
DSH 4197 g' N3 V( e) b; s