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Invacare® SB® 400
Voltage dips, short
interruptions and
voltage variations on
power supply input
lines
IEC 61000-4-11
< 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 sec
< 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 sec
Mains power quality should be that of a typical
commercial or hospital environment. If the user of the
medical bed requires continued operation during power
mains interruptions, it is recommended that the medical
bed be powered from an un-interruptible power supply
or a battery.
U
T
is the a. c. mains voltage prior to application of the
test level.
Power frequency
(50/60 Hz) magnetic
field
IEC 61000-4-8
3 A/m
3 A/m
Power frequency magnetic fields should be at levels
characteristic of a typical location in a typical commercial
or hospital environment.
20
1581143-A
Содержание SB 400
Страница 23: ...Notes...