Surge
IEC 61000-4-5
± 1 kV line(s) to
line(s)
not applicable
not applicable
(For INTERNALLY POWERED
ME EQUIPMENT)
Voltage dips,
short inter-
ruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
<5% UT
(>95% dip in
UT) for 0.5 cycle
40% UT
(60% dip in UT)
for 5 cycles
70% UT
(30% dip in UT)
for 25 cycles
<5% UT
(>95% dip in
UT) for 5 sec
not applicable
not applicable
(For INTERNALLY POWERED
ME EQUIPMENT)
Power frequency
(50Hz/60Hz)
magnetic field
IEC 61000-4-8
3 A/m
3 A/m
Power frequency magnetic
fields should be at levels cha-
racteristic of a typical location
in a typical commercial or
hospital environment.
NOTE:
UT is the a.c. mains voltage prior to application of the test level.