PLC-INTERFACE relays with an overall width of 6.2 mm or 14 mm

An exciting relay story full of pioneering spirit, innovation, and passion

We have been developing innovative and technologically leading relays for you for over 25 years and have shaped the market of industrial interface coupling relay modules and created a standard.

The PLC-INTERFACE relay system is the high-performance interface between the controller and system I/O devices. We have been providing a comprehensive range of highly compact pluggable relays and solid-state relays since 1997.

The product range has been and continues to be extended constantly. In addition, extensive accessory and system cabling solutions are available for your application.

Infographic with feature icons for PLC-INTERFACE relays

Product features at a glance

Benefit from over 25 years of experience, innovation, and expertise: We want to make it as easy as possible for you – from product selection through to safe and reliable operation in your system.

  • Relay versions for every application

  • Ex versions as well as Ex and SIL consulting expertise

  • Easy handling and a large range of accessories

  • Global approvals

  • Production and engineering expertise

  • Relay innovations since 1997

  • Clipx ENGINEER for easy control cabinet design

  • Digital product data for easy utilization

PLC-INTERFACE – smart diversity

Interactive image map: PLC-INTERFACE: Product overview with accessories
Lead-frame technology
The lead-frame technology in the PLC-INTERFACE relay series provides the solid foundation for reliably switching, isolating, and amplifying signals: Press-fit components ensure increased vibration resistance. The optimized thermal management extends the service life of electronic components. We realize sustainability with easily separable materials as well as pluggable relays.
Lead-frame technology
VARIOFACE PLC-V8 adapters
The system cabling adapter enables the quick, easy, and error-free connection of relay modules to the controller.
VARIOFACE PLC-V8 adapters
Comprehensive accessories
With color-coded and insulated plug-in bridges, the PLC relay modules can save up to 70% wiring time. The fuse adapter with an overall width of 6.2 mm makes it possible for you to fuse channel-by-channel without taking up additional space on the DIN rail.
Comprehensive accessories
PLC logic programmable logic relay system
Switch and control I/O signals with a highly compact and flexible system. You can combine the logic module with the corresponding relay and analog modules as required. The modular structure enables a broad spectrum of application options.
PLC logic programmable logic relay system
PLC logic – ´programming and configuration
Easy parameter adjustments and flexible monitoring via app with the corresponding Bluetooth adapter. LOGIC+ is the intuitive software for quickly implementing your projects. Integrate the PLC logic via RS-485 (Modbus/RTU) into higher-level control systems.
PLC logic – ´programming and configuration
Versions for every application
Electromechanical, solid-state relays, hybrid relays, force-guided contacts, relays for zone 2 applications (Ex), multifunctional timer relays, analog I/O modules, Pt 100/Pt 1000 temperature transducers, relays for DC motors, manual operation
Versions for every application

Switching devices for a sustainable future