Appendix
A.3 EMC Overall Performance
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
A-5
Units installed within the category C3 (industrial) environment do not require connection
approval.
EMC Immunity
The SINAMICS G120 drives have been tested in accordance with the immunity requirements
of category C3 (industrial) environment:
Table A-4 EMC Immunity
EMC Phenomenon Standard Level Performance
Criterion
4 kV Contact discharge A Electrostatic Discharge (ESD) EN 61000-4-2
8 kV Air discharge
Radio-frequency
Electromagnetic Field
80 MHz … 1000 MHz
10 V/m
Amplitude modulated
EN 61000-4-3
80 % AM at 1 kHz
A
Fast Transient Bursts EN 61000-4-4 2 kV @ 5 kHz A
Surge Voltage 1 kV differential (L-L)
1.2/50 μs
EN 61000-4-5
2 kV common (L-E)
A
Conducted 0.15 MHz … 80 MHz
10 V/rms
Radio-frequency Common Mode
EN 61000-4-6
80 % AM at 1 kHz
A
100 % dip for 3 ms A
30 % dip for 10 ms B
60 % dip for 100 ms C
Mains Interruptions & Voltage
Dips
EN 61000-4-11
95 % dip for 5000 ms D
Voltage Distortion EN 61000-2-4
Class 3
10 % THD A
Voltage Unbalance EN 61000-2-4
Class 3
3 % Negative Phase
Sequence
A
Frequency Variation EN 61000-2-4
Class 3
Nominal 50 Hz or 60 Hz
(± 4 %)
A
Depth = 40 % Commutation Notches EN 60146-1-1
Class B
Area = 250 % x degrees
A
Note
The immunity requirements apply equally to both filtered and unfiltered units.