Data Sheet

CPS20.241-60
C-Series
24V, 400W, DC/DC CONVERTER
14. EMC
The DC/DC converter is suitable for rolling stock railway applications, for applications in industrial environment as well
as in residential commercial and light industry environment without any restrictions.
EMC Immunity
According generic standards: EN 61000-6-1 and EN 61000-6-2 and
according to EN 50121-3-2
Electrostatic discharge EN 61000-4-2 contact discharge
air discharge
8kV
15kV
Criterion A
Criterion A
Electromagnetic RF field EN 61000-4-3 80MHz-2.7GHz 20V/m Criterion A
Fast transients (Burst) EN 61000-4-4 input lines
output lines
DC-OK signal (coupling clamp)
4kV
2kV
2kV
Criterion A
Criterion A
Criterion A
Surge voltage on input EN 61000-4-5 + Æ -
+ Æ PE, - Æ PE
2kV
4kV
Criterion A
Criterion A
Surge voltage on output EN 61000-4-5 + Æ -
+ / - Æ PE
1kV
2kV
Criterion A
Criterion A
Surge voltage on DC-OK EN 61000-4-5 DC-OK signal Æ PE 1kV Criterion A
Conducted disturbance EN 61000-4-6 0.15-80MHz 10V Criterion A
Power – Frequency magnetic
field
EN 61000-4-8 16.7Hz, 50Hz 100A/m Criterion A
Power – Frequency magnetic
field
EN 61000-4-8 0Hz 300A/m Criterion A
Pulsed magnetic field EN 61000-4-9 300A/m Criterion A
Criterions:
A: DC/DC converter shows normal operation behavior within the defined limits.
EMC Emission
According generic standards: EN 61000-6-3 and EN 61000-6-4
and according to EN 50121-3-2
Conducted emission
input lines
CISPR 16-1-2, CISPR 16-2-1 limits for EN 50121-3-2 fulfilled,
limits for DC power port
according EN 61000-6-3 fulfilled
Conducted emission
output lines
CISPR 16-1-2, CISPR 16-2-1 limits for EN 50121-3-2 fulfilled,
limits for DC power port
according EN 61000-6-3 not
fulfilled
*)
Radiated emission EN 55011, EN 55022, EN 50121-3-2 Class B
This device complies with FCC Part 15 rules.
Operation is subjected to following two conditions: (1) this device may not cause harmful interference, and (2) this
device must accept any interference received, including interference that may cause undesired operation.
*) for information only, not mandatory for EN 61000-6-3
Switching Frequencies
The DC/DC converter has two converters with two different switching frequencies
included.
Switching frequency 1 70kHz to 130kHz PFC converter, input voltage and output power dependent
Switching frequency 2 80kHz to 140kHz Main converter, output power dependent
Aug. 2016 / Rev. 1.0 DS-CPS20.241-60-EN
All parameters are specified at 24.5V, 16.3A, 110Vdc, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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