CTS-120 Series from Premium PSU, 100-140W isolated DC-DC converter.
Compact 3U Eurocard converter providing 100-140W of isolated DC-DC power with high reliability and full EN50155 railway compliance.

download the CTS-120 Series data sheet
Access detailed specifications, performance data, and technical drawings for the CTS-120 Series in our comprehensive datasheet.
Need a 3D drawing?
Our engineers can provide detailed 3D drawings to help you visualise dimensions, mounting, and integration before production.

Stuck on specs? Let’s chat

We’re online and ready to chat.
APPLICATION
The CTS-120 Series from Premium PSU delivers 100-140W of regulated, isolated dc-dc power in a rugged Eurocard format. Designed for railway and industrial applications, it supports input voltage ranges from 14.4-144V dc and provides single outputs from 5V to 48V dc. With high isolation, LED input/output indicators, and optional remote sensing or alarm functions, the CTS-120 ensures reliability in harsh environments. Certified to EN50155, EN45545-2, and EN62368-1.
FEATURES
INDUSTRY
| Model | Input Voltage | Output Voltage | Power Rating |
|---|---|---|---|
| CTS-120-6865 | 14.4-30V dc | 5V | 100W |
| CTS-120-6866 | 14.4-30V dc | 12V | 120W |
| CTS-120-6867 | 14.4-30V dc | 24V | 120W |
| CTS-120-6868 | 14.4-30V dc | 48V | 120W |
| CTS-120-6885 | 21.6-47V dc | 5V | 100W |
| CTS-120-6886 | 21.6-47V dc | 12V | 120W |
| CTS-120-6887 | 21.6-47V dc | 24V | 140W |
| CTS-120-6888 | 21.6-47V dc | 48V | 140W |
| CTS-120-6869 | 28.8-60V dc | 5V | 100W |
| CTS-120-6870 | 28.8-60V dc | 12V | 120W |
| CTS-120-6871 | 28.8-60V dc | 24V | 140W |
| CTS-120-6872 | 28.8-60V dc | 48V | 140W |
| CTS-120-6873 | 43.2-90V dc | 5V | 100W |
| CTS-120-6874 | 43.2-90V dc | 12V | 120W |
| CTS-120-6875 | 43.2-90V dc | 24V | 140W |
| CTS-120-6876 | 43.2-90V dc | 48V | 140W |
| CTS-120-6877 | 66-144V dc | 5V | 100W |
| CTS-120-6878 | 66-144V dc | 12V | 120W |
| CTS-120-6879 | 66-144V dc | 24V | 140W |
| CTS-120-6880 | 66-144V dc | 48V | 140W |

Need something a little more bespoke?
For the right projects, we offer custom power solutions tailored to specific requirements. Get in touch to see if your brief fits the bill.
Decades of know-how guiding every recommendation, because good advice beats guesswork. Speak to real engineers, not sales scripts. From design concepts to installation queries, our technical team is with you every step of the way.

Contact us to find out how we can elevate your project
Downloads
Click on the download button for an instant download.







