Socomec | Automatic Transfer Switching Equipment



Socomec provides a comprehensive range of Automatic Transfer Switching Equipment (ATSE), primarily anchored by their ATyS product line. This equipment automatically monitors power availability and safely switches a load between two power sources (such as mains to mains or mains to a genset) to ensure uninterrupted power.
Key Features
  • Proven Technology: Built on Socomec’s robust load break switch technology, ensuring high reliability and operator safety with a positive break indication.
  • Standards Compliant: Fully tested and compliant with international standards including IEC 60947-6-1.
  • Operational Modes: Units can operate fully automatically, but also feature a manual override handle for safe operation during maintenance.
  • Versatile Transition: Available in open transition (break before make) to safely isolate sources.
Popular Product Families
  • ATyS d / ATyS r / ATyS t: Basic to advanced remote/automatic transfer switches suitable for standard mains/mains or mains/genset applications, ranging from 125 A to 3200 A.
  • ATyS g / ATyS p: Feature-rich automatic switches that include built-in controllers for advanced power monitoring, programmable parameters, event logging, and communication modules (RS485/Webserver).
  • ATyS M: Compact, modular automatic transfer switching equipment for smaller power needs, typically from 40 A up to 160 A.
To ensure you select the best model for your facility's requirements, you can use the interactive online Socomec Transfer Switch Selector to configure and build your project specifications.
If you are looking for specific guidance, please tell us:
  • What are your rated current (amperage) and voltage requirements?
  • Is your application mains-to-mains or mains-to-generator?
  • Are you interested in specific communication protocols (like Modbus/RS485) or power metering?

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