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I think your question can refer to EN60601-1/IEC60601-1 in 4.10.2.
1 [" ?, y4 k% n/ B' \3 r# j5 wPlease correct me if any.
4 ]5 N$ R7 B& iThanks,
d& j/ X' d' P! A* s
' o( X1 L) n: A+ E" O+ m6 YFor ME EQUIPMENT intended to be connected to SUPPLY MAINS, the following RATED voltages; Q6 ]9 y0 V; X6 G. C& q9 Z' C" x2 V
shall not be exceeded:% G# t% ^; b1 D1 g5 K$ v( D" Z
– 250 V for HAND-HELD ME EQUIPMENT;% O' ?) g% @: _* |$ J# U! J& ]6 p
– 250 V d.c. or single-phase a.c. or 500 V polyphase a.c. for ME EQUIPMENT and ME SYSTEMS6 F% s9 j4 D( ?% p% T$ E: r$ x
with a RATED input ≤ 4 kVA; or
, q! u1 T$ D8 G9 n- ^7 m– 500 V for all other ME EQUIPMENT and ME SYSTEMS.
6 A8 I% F6 Z5 z4 H; ?6 j; qSUPPLY MAINS in this standard shall be assumed to have the following characteristics:
# t8 a8 N, M! e/ z6 l5 W– overvoltage category II for mains transients unless a higher category is specified by the5 L5 W- f: e* t
MANUFACTURER;2 [) m- e- t- F/ ^
– no voltage in excess of 110 % or lower than 90 % of the NOMINAL voltage between any of
6 M" d3 j. H. h4 hthe conductors of the system or between any of these conductors and earth (see 7.9.3.1);
. k* c0 W6 F w! h7 mNOTE 1 IEC 60601-1-2 contains requirements and tests for voltage dips, short interruptions and voltage
/ F5 J5 h: |. a- I: w+ e: R' [variations on the SUPPLY MAINS. See also 1.3.* b/ u T* J& p Z
– voltages that are practically sinusoidal and forming a practically symmetrical supply- R6 `4 v9 }( r* L
system in case of polyphase supply;
& M0 ]4 ^9 _: T/ G8 y8 F V& N– a frequency of ≤ 1 kHz;
1 J! _0 X! Q. a' _0 D% o R; d– a frequency deviation of ≤ 1 Hz from the NOMINAL frequency up to 100 Hz and ≤ 1 % from$ o6 P' j/ ^( t9 H5 ^- x
the NOMINAL frequency from 100 Hz to 1 kHz;7 W! z" J) J4 _* R( T3 y. t' v
– the protective measures as described in IEC 60364-4-41;- c- c2 w4 h* t* f! t
NOTE 2 If ME EQUIPMENT or an ME SYSTEM is intended to be operated from a SUPPLY MAINS with
6 \* t5 p. [' _& M+ Xcharacteristics different from the SUPPLY MAINS described in this subclause, additional safety measures could
& @: ?- G8 D1 {7 ~2 \/ f7 f; o/ ebe necessary.
' w( x* K0 E+ F1 |. S– a d.c. voltage (as measured by a moving coil meter or equivalent method) having a peakto-
0 P3 d$ a! [0 l) e7 l* ? _+ Apeak ripple not exceeding 10 % of the average value.3 K0 F& g5 U: L9 `8 _4 U' l N" U8 u
Where peak-to-peak ripple exceeds 10 % of the average value, the peak voltage has to be
7 C& ^* ?8 B0 @% A- Z8 Yapplied. |
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