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I think your question can refer to EN60601-1/IEC60601-1 in 4.10.2.
! k/ @, H) i: F; w+ j* a8 hPlease correct me if any.
6 n+ ]1 R: F( Y/ q gThanks, $ x! D# K' K% m* `3 r& z
; X! M" V' x# m1 f+ n# V6 R8 F
For ME EQUIPMENT intended to be connected to SUPPLY MAINS, the following RATED voltages, w; G; L9 a& U1 w- v8 @
shall not be exceeded:
" x% v" h/ y3 W$ ^– 250 V for HAND-HELD ME EQUIPMENT;, \3 w) \( z }5 e3 @* G1 y9 [
– 250 V d.c. or single-phase a.c. or 500 V polyphase a.c. for ME EQUIPMENT and ME SYSTEMS" Z& p: w. h3 ~* s* A
with a RATED input ≤ 4 kVA; or1 K( L, ?; w8 ]0 l `3 i$ r
– 500 V for all other ME EQUIPMENT and ME SYSTEMS.
& d/ E; f. `. j1 C0 _SUPPLY MAINS in this standard shall be assumed to have the following characteristics:
3 ?. `+ T6 {& U: ?' N* f5 J# V/ h– overvoltage category II for mains transients unless a higher category is specified by the! `2 g. W/ R* T! r0 S4 {! o
MANUFACTURER;
# P0 ]1 Y* |3 w+ G1 S1 }8 d; X– no voltage in excess of 110 % or lower than 90 % of the NOMINAL voltage between any of }7 p" M/ K. J* p8 L9 l6 D) ^
the conductors of the system or between any of these conductors and earth (see 7.9.3.1);
, j: G0 M3 @$ X a9 { W) W% YNOTE 1 IEC 60601-1-2 contains requirements and tests for voltage dips, short interruptions and voltage3 ?8 C. F3 Y. r6 ] \4 ^
variations on the SUPPLY MAINS. See also 1.3.
$ K y$ V7 j9 l. \# R9 X– voltages that are practically sinusoidal and forming a practically symmetrical supply s3 j- p' E5 G: l
system in case of polyphase supply;: v9 u$ G! V8 T; x* I
– a frequency of ≤ 1 kHz;
; ]# y/ X- f9 X; h' s% |9 ~ C– a frequency deviation of ≤ 1 Hz from the NOMINAL frequency up to 100 Hz and ≤ 1 % from/ [0 j8 _; f3 s
the NOMINAL frequency from 100 Hz to 1 kHz;
1 W% |: ]6 i& ~– the protective measures as described in IEC 60364-4-41;: q" ]2 v% Z x; f. Y
NOTE 2 If ME EQUIPMENT or an ME SYSTEM is intended to be operated from a SUPPLY MAINS with
* L1 t/ F/ t! i, b; bcharacteristics different from the SUPPLY MAINS described in this subclause, additional safety measures could7 ~; Y7 `6 q. s) `
be necessary.
9 @4 j7 U, t) A, \7 q: [: s! @– a d.c. voltage (as measured by a moving coil meter or equivalent method) having a peakto-
9 _3 g) J" H! P- `8 _8 m+ w- Bpeak ripple not exceeding 10 % of the average value.
# m( c9 i6 k. KWhere peak-to-peak ripple exceeds 10 % of the average value, the peak voltage has to be
( E8 H2 }2 c3 U! mapplied. |
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