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I think your question can refer to EN60601-1/IEC60601-1 in 4.10.2.
; A* m) @% x/ A! i9 [Please correct me if any.% p3 _2 |. w+ I1 ^% f
Thanks, % @0 T. w1 \; O3 h2 S- A; N& W
/ m0 `; O3 [2 K U, @6 A
For ME EQUIPMENT intended to be connected to SUPPLY MAINS, the following RATED voltages5 ?& b# D+ x3 R, G' y( P3 k0 L
shall not be exceeded:
9 x- k# D% X. p/ |– 250 V for HAND-HELD ME EQUIPMENT;) h* m, r2 ~ o! o5 ]- J. P, m
– 250 V d.c. or single-phase a.c. or 500 V polyphase a.c. for ME EQUIPMENT and ME SYSTEMS& W R4 g' K4 t0 G2 Y; }6 c0 C4 i
with a RATED input ≤ 4 kVA; or
# t# @+ _& Z( D1 s& R– 500 V for all other ME EQUIPMENT and ME SYSTEMS.
& H. g4 H; ]3 e$ gSUPPLY MAINS in this standard shall be assumed to have the following characteristics:
" z+ D, w# m, s% c e$ E, _- v– overvoltage category II for mains transients unless a higher category is specified by the
" D, N6 y8 J1 j( u/ ^" ]MANUFACTURER;8 ]9 f$ p6 b2 V, J7 K
– no voltage in excess of 110 % or lower than 90 % of the NOMINAL voltage between any of
, U1 P& S5 ~( t' q5 Y' H- fthe conductors of the system or between any of these conductors and earth (see 7.9.3.1);
* }1 s) r6 u9 dNOTE 1 IEC 60601-1-2 contains requirements and tests for voltage dips, short interruptions and voltage& Q6 f! ]8 P. K1 ]+ a+ k5 K
variations on the SUPPLY MAINS. See also 1.3.0 K1 o# a3 q. @, j$ Q
– voltages that are practically sinusoidal and forming a practically symmetrical supply8 h E& G( u6 R d
system in case of polyphase supply;
; h2 C# L8 k* Z2 z1 K% ~– a frequency of ≤ 1 kHz;
) _9 ]( q& z) v$ ~ w– a frequency deviation of ≤ 1 Hz from the NOMINAL frequency up to 100 Hz and ≤ 1 % from0 U0 J) `% s1 h9 l4 C
the NOMINAL frequency from 100 Hz to 1 kHz;/ G4 d2 O! @ V5 ^4 v+ t
– the protective measures as described in IEC 60364-4-41;6 }# _* V/ ~- k9 W# ~
NOTE 2 If ME EQUIPMENT or an ME SYSTEM is intended to be operated from a SUPPLY MAINS with G. S! { R; G9 u1 z- r4 H
characteristics different from the SUPPLY MAINS described in this subclause, additional safety measures could$ ]7 r; L( b% K' s/ ^; H. s
be necessary.( P$ f @/ G* D) V, n
– a d.c. voltage (as measured by a moving coil meter or equivalent method) having a peakto-
( v! a# z( f% P( _/ t0 h* o0 [# Hpeak ripple not exceeding 10 % of the average value.
! O( |! p% p, Y9 h, R% ?Where peak-to-peak ripple exceeds 10 % of the average value, the peak voltage has to be% b2 h& X ]$ F
applied. |
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