Your Satisfaction is our Success

We have developed a comprehensive service concept from our many years of experience in developing and manufacturing auxiliary power supplies for rolling stock that ensures our customers are provided with a fast and proven solution.

Contact Always Welcome
Intensive cooperation with our customers in a true partnership is the key to success. This allows you to incorporate your ideas and wishes into our products right from the very first development phase.

Easy Replacement
All components of an SMA auxiliary power supply are designed modularly and can be quickly and easily replaced. This reduces unnecessary delays and keeps the resulting costs to a minimum.

If your SMA auxiliary power supply fails, we will solve the problem for you. SMA will provide you with a replacement system or carry out the necessary repairs within 24 hours.