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should be at least
30 %.
Electrical fast
Transients
/bursts
IEC 61000-4-4
±2kV
100kHz
repetition
frequency
±2kV
100kHz repetition
frequency
Mains power
quality should be
that of a typical
commercial or
hospital
environment.
Surge
IEC 61000-4-5
Line to line:
±0.5kV, ±1kV
Line to earth:
±0.5kV,
±1kV, ±2kV
Line
to
line:
±0.5kV, ±1kV
Line to earth:
±0.5kV, ±1kV,
±2kV
Mains power
quality should be
that of a typical
commercial or
hospital
environment.
Voltage dips,
short
interruptions and
voltage variations
on power supply
lines
IEC 61000-4-11
0% UT; 0.5
cycle
at 0°, 45°,
90°,
135°,
180°, 225°,
270°,
and
315°
0% UT; 1
cycle
and
70%
UT;
25/30 cycles
sine phase at
0°
0% UT;
250/300
cycle
0% UT; 0.5 cycle
at 0°, 45°, 90°,
135°, 180°, 225°,
270°, and 315°
0% UT; 1 cycle
and
70%
UT;
25/30 cycles
sine phase at 0°
0% UT; 250/300
cycle
Mains power
quality should be
that of a typical
commercial or
hospital
environment. If
the user of
devices require
continued
operation during
power mains
interruptions, it is
recommended
that devices be
powered form an
uninterruptible
power supply or
a battery
