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13. EMC / Technical description
Voltage dips, short
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
90
NOTE U
is the a.c. mains voltage prior to application of the test level.
T
<5 % U
T
(>95 % dip in U
)
T
for 0,5 cycle
40 % U
T
(60 % dip in U
)
T
for 5 cycles
70 % U
T
(30 % dip in U
)
T
for 25 cycles
<5 % U
T
(>95 % dip in U
)
T
for 5 s
3 A/m
Mains power qual-
ity should be that of a
<5 % U
T
typical commercial or
(>95 % dip in U
)
T
hospital environment.
for 0,5 cycle
If the user of the elec-
40 % U
T
tric breastpump Swing
(60 % dip in U
)
T
Maxi requires continued
for 5 cycles
operation during power
70 % U
T
mains interruptions,
(30 % dip in U
)
T
it is recommended
for 25 cycles
that the electric breast-
<5 % U
T
pump Swing Maxi
(>95 % dip in U
)
T
is powered from an
for 5 s
uninterruptible power
supply or a battery.
Power frequency mag-
netic fields should be
at levels characteristic
3 A/m
of a typical location in
a typical commercial
or hospital environment.
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