Internal battery for back-up power) z2 b8 x T' I6 X8 u
6.8.2, 6.8.2 e) $ A" U! [& a4 t& u/ t# T9 y. }
60601-1(ed.2);am1;am25 ^; ~' E& k$ B0 q' c* J
& Z6 T( q U, r3 b% ?
Standard(s)- (year and edition):4 b2 `( x2 Q6 c$ e
IEC 60601-1:1988 Ed.2 Am1+Am2# e0 Z' h2 \6 E) X3 `, ]+ r5 h
Sub clause(s): 6.8.2 6.8.2 e)8 m0 }' Z* L+ s/ @1 T/ J' o4 f. J; a8 e
Sheet n°: DSH-4199 a, M3 X, `2 L% F" K m7 p* K
Subject: Internal battery for back-up power) D; Y4 Z5 x; `+ b
Key words: Internal battery, Protective earth terminal ( L7 D. i$ @7 y( c: F+ c5 \6 yCe confirmed by CTL at its 39th meeting, in Cologne ~1 H- |9 M2 p6 N# {/ bQuestion: U0 J+ m" W( y4 d( `* {The requirement in this clause seems to be a little unreasonable. Assume for example,' p% n3 H) [/ \0 t2 x
EQUIPMENT with an internal battery intended for back-up power in the event of a failure of the. P- q4 M: T- P9 o) w
SUPPLY MAINS as a power source. Further, how can one say whether the external6 [ ]) ]* {4 F T9 G2 y
PROTECTIVE EARTH CONDUCTOR arrangement is in doubt or not? 2 a. i' g, e' VDecision: # t. R+ N2 X* }3 I; G3 E' KThe Instructions for use shall include for CLASS I EQUIPMENT the following statement:5 M# `2 G1 |4 O% ^$ z- G' i
“WARNING: THIS EQUIPMENT MUST ONLY BE CONNECTED TO A SUPPLY MAINS2 r6 S2 J( m* \) M
WITH PROTECTIVE EARTH.” 9 C* B9 `2 Y, Y( o, L9 A: B2 K* ?1 E% a1 d2 B+ a
[attach]77089[/attach] * G4 c4 W( I- S+ p5 e