Your partner for auxiliary convertersAPS electronic AG is a Swiss manufacturer of auxiliary power converters for rail vehicles and trolleybuses. APS electronic offers a large range of products including battery chargers, inverters, frequency converters, brake excitation systems and complete converter systems with multiple voltages. Thanks to its modular design for converters, APS electronic can provide customized, fit-form-and-function solutions even in small quantities. Such flexibility allowed APS electronic to become a reliable and renowned partner for refurbishment projects. Since the first converter in year 1972, more than 4’000 converters have been delivered to railway, urban rail and trolleybus operators worldwide.