Perfect for OEM partners, planners and architects – Gruner actuators

Innovation, reliability and efficiency are key requirements for Gruner actuators. Our high level of vertical integration enables us to offer a wide portfolio of products, one that we continuously expand through new developments for our partners. Our products range from the simple field device to a gateway for building management. In this way, ever since 1954, Gruner has been setting new standards in the actuator sector.

ActuatorsFor fire protection and smoke protection

  • They function under extreme conditions.
  • The cover a wide range of torques.
  • All the important components in these actuators are made of steel.
  • They can withstand temperatures of more than 120 degrees, even for extended periods.
  • A thermoelectric trigger with an LED status clearly shows the status of the damper and makes troubleshooting and maintenance much easier.
  • They can close fire protection dampers in just 35 seconds.

These actuators can be controlled by the building management system. The entire system can be linked up via Modbus RTU or BACnet MS/TP to assure reliable operation of central monitoring and the reporting of legally defined inspection cycles in the event of a fire.

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Instrumentation & control solutionFor intelligent control of fans

Gruner itaMAX:

  • Optimum control of the inlet AND outlet fans in one device
  • This boosts energy efficiency
  • Serves as a gateway for up to 240 HVAC controllers
  • Plug & Play (Run)

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Example of fire protectionAn aspirational new build

The recently constructed Festival Hall in Wehingen stipulates ultimate requirements – also true of fire protection. This is why actuators made by Gruner are so absolutely right here.

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Innovative actuators

Think fresh, think further

The broad portfolio of products from Gruner is founded upon many years of research and on the consistent development of efficient solutions for the actuator sector.

Competence in production

Our many years of experience and our high level of expertise are the result of our high level of vertical integration. We produce the appropriate result, whether mechanical or software-based.

Reliable and flexible

As a family-run business, we are able to respond very flexibly to specific requirements and we can fast-track the adaptation of solutions quickly and economically.

International and specialist

Our international presence combined with the high level of expertise we have acquired in the actuator sector make us a competitive specialist in demand around the world.

Latest news

New! 328CS and 328QSSuper-fast running actuators

The new super-fast running actuators from Gruner respond quickly to changed conditions and can reliably control even high air speeds.

Applications where positioning is essential even when the power supply fails can be equipped with the fail-safe version of the 328QS.

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ISH 2023

13.-17.03.2023 in Frankfurt am Main

Visit us at the world’s leading trade fair for lighting and building technology and learn more first-hand about the benefits you can derive from our actuators.

Booth 10.2/B85.

More about actuators from Gruner

Are you looking for actuators that define new standards? If so, then take a look at our product range. Are you looking for an individual OEM solution, or for a skilled partner to talk to about building management? Then send us an e-mail.


Bürglestr. 15 - 17
78564 Wehingen

Phone: +49 74 26 / 948-0
Fax: +49 74 26 / 948-200