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I think your question can refer to EN60601-1/IEC60601-1 in 4.10.2./ d5 R W8 ]' t0 L& l3 h( m
Please correct me if any.
/ C. \) m- v& h. w) c1 H* P0 N2 |Thanks, B# b1 Z8 E! a' c) G4 r! `% Y) {
, b6 I( ?8 ~6 ~' C$ B7 h- Z8 K# i& f' jFor ME EQUIPMENT intended to be connected to SUPPLY MAINS, the following RATED voltages
* H; [/ g) x: d5 L$ {shall not be exceeded:5 U+ @( E# K4 J* h3 S
– 250 V for HAND-HELD ME EQUIPMENT;
4 f& X! W+ j' K4 S b+ B– 250 V d.c. or single-phase a.c. or 500 V polyphase a.c. for ME EQUIPMENT and ME SYSTEMS) t0 A; h, U2 z- ?# P
with a RATED input ≤ 4 kVA; or
9 u! k1 V: F! M+ }- e. F– 500 V for all other ME EQUIPMENT and ME SYSTEMS.$ d3 R! F( N7 f3 k! B
SUPPLY MAINS in this standard shall be assumed to have the following characteristics:
6 b2 _3 T2 v+ R/ s1 t– overvoltage category II for mains transients unless a higher category is specified by the- s6 V7 \7 o9 Z4 v1 h
MANUFACTURER;
0 K2 b% X6 v& H2 t W. T( X/ b( P– no voltage in excess of 110 % or lower than 90 % of the NOMINAL voltage between any of
- ?' F) L1 C& l& O- \3 uthe conductors of the system or between any of these conductors and earth (see 7.9.3.1);4 I$ m+ o" v' t) V2 F# ^' s
NOTE 1 IEC 60601-1-2 contains requirements and tests for voltage dips, short interruptions and voltage+ u/ H9 J7 ?' ]- s: E+ K& ~# Y. r
variations on the SUPPLY MAINS. See also 1.3.- s2 Z! K3 f: e: X- w% v6 `9 k m4 \
– voltages that are practically sinusoidal and forming a practically symmetrical supply! Z+ P7 o4 |( I2 } y: h
system in case of polyphase supply;* z- J/ g7 u, ~( C4 z/ h
– a frequency of ≤ 1 kHz;
) b( _0 V1 T# Q7 B* N5 [- O$ s– a frequency deviation of ≤ 1 Hz from the NOMINAL frequency up to 100 Hz and ≤ 1 % from0 O: }- x- I4 D6 q# N4 }; h- D
the NOMINAL frequency from 100 Hz to 1 kHz;
1 k* p; p# l }: \+ r– the protective measures as described in IEC 60364-4-41;
) K1 Y. n' L j0 U GNOTE 2 If ME EQUIPMENT or an ME SYSTEM is intended to be operated from a SUPPLY MAINS with% X. S/ d' O5 g/ V8 l
characteristics different from the SUPPLY MAINS described in this subclause, additional safety measures could
2 M! N& A+ a+ y+ ]0 _/ H$ ube necessary.
$ v( b, V$ B+ X$ Z– a d.c. voltage (as measured by a moving coil meter or equivalent method) having a peakto-
0 @( B. f5 D8 a/ `9 a) ~peak ripple not exceeding 10 % of the average value.; G7 |0 r/ s5 C* K- V" h/ ]
Where peak-to-peak ripple exceeds 10 % of the average value, the peak voltage has to be" H* I6 U' q% a4 |8 q: k
applied. |
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