FMC Technology – configure your own auxiliary power converter


Maintenance-free for a lifetime – thanks to natural air convection cooling


Patented circuit technology and minimal power loss


APS - your partner for auxiliary converters

Auxiliary Power Converters

APS auxiliary power converters are based on our very own FMC Technology (Function Module Concept). This technology, which we developed ourselves, allows a modular and scalable converter structure that we can tailor individually to our specific customers’ needs.


Customer portal

Our customer portal will feature documents relating to your auxiliary power converter, progress on your order or Kiepe spare parts. As a registered customer, you will also be able to use the full functionality of our power converter configurator and save, change or download your configurations. Or you can simply contact our customer service; we are glad to help!


Kiepe Electric: Electric Traction Converter Equipment for Rail and Road Vehicles

We are there to help you on the rails or on the road: as a service partner of Kiepe Electric we distribute their traction and electrical equipment in Switzerland.


“APS is innovative and always at the cutting edge of technology. Every employee is a vital part of the company. You also benefit from your colleagues’ expertise.”

Jürg Schweingruber, Manager Test Bay

“Since my further qualification as a service technician my job has become much more varied. Sometimes it takes me out to customers in the field, sometimes I am in APS customer service, production, or the laboratory. What I look forward to every day is working with my colleagues.”

Stefan von Arx, Field Service Engineer

“At APS, you can assume extra responsibility very quickly. I can help the company move forward. Every new project harbours new challenges – I can learn and develop from that. That is exactly what a young design engineer needs.”

Janick Bielmeier, Mechanical Design Engineer

“As a project manager, I am in frequent contact with both customers and colleagues. That makes my work very varied. The fact that everybody is free to work independently makes for a healthy working environment. That is essential if we are to reach or goal – satisfied customers.”

Remo Moser - Project Manager

“What I like most about my work at APS is the collegial atmosphere and the positive attitude in the workplace. As warehouse manager, I also have a diverse range of tasks.”

Goran Maculovic - Warehouse and Shopfloor Employee

“At APS I have the chance to shape not only the products but also the company itself. Decision-making processes are efficient and the company’s international business activities open up new opportunities for me.”

Beat Gysin - R&D Engineer and Project Manager

“I like working at APS because the team works well together and I can always count on the support and confidence of my superiors.”

David Amrhein - R&D Engineer and Project Manager


We move with the times – the latest from the world of APS electronic AG

How to find us:


APS electronic AG

Neumatt 4
4626 Niederbuchsiten

Tel: +41 62 389 88 88