General inquiries


Sales & Support


Service hours (CET)

Fritz Kübler GmbH

Monday - Thursday: 7.30 am to 5.00 pm
Friday: 7.30 am to 4.00 pm

Designing industrial processes safely. Increase plant availability.

Signal lights and signal towers with visual and acoustic signaling.

In industry, where every minute counts, reliable signaling is essential. Illuminated signs, light signal towers, traffic lights and audible alarms are crucial for the safety of employees and the availability of systems. They ensure clear communication and enable quick reactions to changing operating conditions. This minimizes downtimes, increases productivity and contributes to sustainable production. Rely on these technologies to ensure smooth operation, increase employee satisfaction and optimize efficiency in your company.

Advantage through foresight

  • Increase efficiency and safety
  • Clear display of machine statuses
  • Time and cost savings during installation and maintenance
  • Energy efficiency thanks to LED technology
  • Simple integration into IO-Link networks

Designing industrial processes safely. Increase plant availability.

Signal lights and signal towers with visual and acoustic signaling.

In industry, where every minute counts, reliable signaling is essential. Illuminated signs, light signal towers, traffic lights and audible alarms are crucial for the safety of employees and the availability of systems. They ensure clear communication and enable quick reactions to changing operating conditions. This minimizes downtimes, increases productivity and contributes to sustainable production. Rely on these technologies to ensure smooth operation, increase employee satisfaction and optimize efficiency in your company.

Kübler signal tower ST40


As a traffic light solution, the Kübler ST40 signal tower offers reliable signaling of machine and system statuses. With a wide range of signals, it ensures clear and effective communication in your company.

  • Traffic light function as flashing or continuous light
  • Optional siren as continuous or pulse tone
  • Can be combined with all Kübler IO-Link products
Design your individual IO-Link system
Design your individual IO-Link system

Design your individual IO-Link system


Combine the modular Kübler IO-Link products to create a powerful overall solution.

Door opener for Industry 4.0

Door opener for Industry 4.0

IO-Link solutions

IO-Link stands for simplicity, cost reduction and is the gateway to future Industry 4.0 concepts.

Kübler IO-Link Master Passende E/A Module

Kübler IO-Link Master

The central role in an IO-Link system

Kübler signal lights SL35 / SL55


The Kübler signal lights in compact diameters offer a space-saving solution for the reliable signaling of machine and system statuses - ideal for applications with limited space.

  • Available in tricolor (red, yellow, green)
  • Optional siren for long-range perception
  • Quick and easy installation
Kübler signal lights SL35
Kübler signal lights SL35

∅ 35 mm

Kübler signal lights SL55
Kübler signal lights SL55

∅ 55 mm