Voltage
dips, short
inter-
ruptions
and voltage
variations
on power
supply input
lines
IEC
61000-4-11
Power
frequency
(50/60 Hz)
magnetic
field
IEC
61000-4-8
NOTE U
is the a.c. mains voltage prior to the application of the test level.
T
*) Battery powered equipment
<5 % U
T
(>95 % dip
in U
) for
T
0.5 cycle
40 % U
T
(60 % dip
in U
) for 5
T
cycles
70 % U
T
(30 % dip
in U
) for 25
T
cycles
<5 % U
T
(>95 % dip
in U
) for 5 s
T
3 A/m
Not
applicable *)
3 A/m
252
Not
applicable *)
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment