Strong Points


ATyS C55 is a complete ATSE controller that can be used to pilot a remotely operated transfer switch of any technology: motorised switches (e.g. ATyS r, ATyS S or ATyS d M), circuit breakers or contactors. ATyS C55 ensure the automatic or remotely controlled transfer from one source to another, with configurable timers and thresholds, for any combination of sources: 2 transformers, 1 transformer and 1 genset or 2 gensets.

Conformity to standards

IEC 61010-2-201
IEC 60947-6-1 with type tested RTSE


ATyS C55 is available in X versions

Item Model Select
16000055 Atys C55


Fast commissioning

On initial power up, the ATyS C55’s smart wizard will guide the operator through the commissioning process.


The ATyS C55 is compatible with contactors, breakers and switches. It can also work for all type of 2-source applications combining mains and gensets.

Clear visualisation and operation

- High-resolution LCD screen with clear defined messages.
- Real-time pop-ups to show timers, alarms, faults and information alerts.
- Quick and easy access to main functions through the front face with direct key input.
- Complete configuration can be achieved through the front face or via software (EasyConfig).

Resources & Documentation


Looking for product documentation?

Access product catalogues, operating instructions, technical documents, CAD files,  and more.

Help Support


 Installation, commissioning, maintenance, product selection, software updates: we can help!