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Automatic Transfer Switch - For Könner & Söhnen KS 5500iES ATSR

Automatic Transfer Switch - For Könner & Söhnen KS 5500iES ATSR

The KS ATS 4/25 Inverter ATS (Automatic Transfer Switch) unit, crafted by the renowned German brand “Könner & Söhnen,” stands as a reliable solution for seamless power management. Engineered to automatically activate the generator and transfer the load during main power outages, this unit ensures uninterrupted power supply to critical systems. Similarly, it orchestrates the generator shutdown once the primary power source is reinstated.


Designed to seamlessly integrate with the "Könner & Söhnen" KS 5500iES ATSR inverter generator, featuring an integrated 7-pin ATS connector, this ATS unit embodies compatibility and efficiency. Equipped with a Programmable Logic Controller (PLC), it enables precise customization of engine start-up and warm-up times, alongside error signaling capabilities. Additionally, it incorporates a generator emergency stop button, enhancing operational safety and control.


Key features of the Programmable Logic Controller of the ATS unit include:

  • Universal compatibility, facilitating use in both single-phase and three-phase networks, ensuring versatility in application.
  • Automatic and manual operation modes, offering flexibility in generator control to suit varying operational requirements.
  • Integrated generator emergency stop button, providing a swift response mechanism in emergency situations.
  • Battery charging functionality, ensuring the continuous readiness of the generator for impending power outages.
  • 7-pin control cable connector, ensuring secure and efficient communication between the ATS unit and the compatible inverter generator.


With its advanced features and seamless compatibility, the KS ATS 4/25 Inverter ATS unit exemplifies reliability and efficiency in managing power transitions, making it an ideal choice for diverse power management needs.

Enjoy Complimentary Shipping Across the UK

At HPS Generators, we're delighted to provide complimentary delivery to all our customers within the UK mainland. We pride ourselves on swift order fulfillment, ensuring your purchase arrives at your doorstep within 3-5 working days, completely free of charge.


Effortless Returns for Your Peace of Mind

Your satisfaction is paramount to us. That's why we offer a straightforward 30-day return policy on all unused and undamaged generators. Should you need to return an item, simply reach out to our dedicated support team for seamless assistance. While return shipping is generally the responsibility of the customer, we understand that exceptions happen. For defective items or in cases where an error is ours, we will take care of the return shipping costs. Rest assured, refunds are promptly processed following return inspection.

Please note, accessories that have been used are not eligible for return. Our customer support team is always here to help with any questions or concerns you might have.

VAT Included |
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