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DC-DC converter 110/24 V dc

110/24,5 V DC, 16,3 A

  • Width 65 mm
  • 93,7 % efficiency
  • Acc. to EN 50155 railway application standard
  • Built-in Redundancy (Decoupling Mosfet at the Output)
  • Conformal coated PC-boards

Product description

The CPS20.241-60 DC/DC converter is designed specifically for railway & transportation applications. It

is approved according to the EN 50155 standard, which is an international standard covering electronic

equipment used on rolling stock for railway applications. The standard covers aspects such as temperature, humidity, shock, vibration, EMI and other parameters. Because of these requirements, the unit is equipped with conformal coated pc-boards.


The unit features a DC-OK signal contact for remote monitoring, a decoupling MOSFET for building redundant power supply systems and quick-connect spring-clamp terminals for a reliable connection even when mechanical vibration and shock are involved. The unit also covers an extreme wide temperature range from -40°C up to +70°C with full output current.


This DC/DC converter comes in a very compact housing and requires only 65mm space on the DIN-rail due to the high efficiency and low power losses. The high efficiency is achieved by utilizing cutting edge technology and other unique design techniques.



PSU 110V dc I/P 24.5V dc 16.3A 400W O/P Railway Compliant

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Input voltage DC 110 V
Input voltage dc min 77 V DC
Input voltage dc max 154 V DC
Inrush current Typ. 6 A @ 110 V DC
Max entrance tripple 15 V pp
Start-Up Delay 900 ms
Output voltage 24,5 V DC
Output voltage min 24,5 V DC
Output voltage max 24,5 V DC
Output Current 16,3 A
Effect 400 W
Ripple. max 70 mV pp
Temperature Range Without Derating From -40 °C
Temperature Range Without Derating To 70 °C
Efficiency 93,7 %
Life span 151000 h @ 16,3 A, 40 °C
MTBF (IEC 61709) 571000 h @ 16,3 A, 40 °C
Width 65 mm
Height 124 mm
Depth 127 mm
Weight 0,98 kg
Clamp type Spring-clamp
Series Dimension C
Approvals CE, EAC, EN 50155
DC relay output Yes
Material Protection Aluminium
Keep time Typ. 35 ms @ 16,3 A
IP Class IP20
Conformal coated Yes
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