118
119
Voltage
dips, short
interruptions
and voltage
variations
on power
supply
input 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 Single phase:
at 0° 0% UT ; 300
cycle
0% UT ; 0.5 cycle
At 0°, 45°, 90°,
35°,180°,225°,270°
and 315°
0% UT ; 1 cycle and
70% UT ; 25/30
cycles Single phase:
at 0° 0% UT ;300
cycle
Mains power quality
should be
that of a typical commercial
or hospital environment.
Power
frequency
(50Hz/60Hz)
magnetic
field IEC
61000-4-8
30 A/m
50Hz/60Hz
30 A/m
50Hz/60Hz
Power frequency magnetic
fields should be at levels
characteristic 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.
Table 3
Guidance and manufacturer’s declaration – electromagnetic immunity