What to consider when selecting panel-mounted control components

Some applications prioritise environmental protection.

Others prioritise panel space, installation efficiency or operator usability.

The requirements driving the decision are rarely identical across applications.

Understanding those requirements early helps guide product selection and ensure the chosen solution aligns with the equipment and operating environment.

Why modularity matters

Not every application requires the same control interface.

One machine may need illuminated pushbuttons and indicators. Another may require selector switches, emergency stops or a different mounting configuration altogether.

A modular control component system provides the flexibility to configure the interface around the needs of the equipment being designed.

The RAFIX 22 FS+, RAFIX 30 FS+ and RAFIX 22 FSR ranges are built around a modular design consisting of an actuator and a switching element.

Because these components can be combined in different ways, engineers can create a wide range of configurations from a common platform rather than selecting entirely different product families for different applications.

This flexibility gives engineers more freedom when designing operator interfaces while maintaining consistency across different applications.

Available panel space

Panel space can quickly become a constraint, particularly in compact equipment designs or applications where multiple control and signalling devices need to be integrated into a limited area.

The space available behind the front panel can influence component selection, PCB layout and the overall design of the operator interface.

RAFIX FS technology is designed around low-profile installation. Depending on the series and switching element selected, mounting depths range from 9.2 mm to 32.8 mm.

This provides greater flexibility when designing compact control panels and HMIs, allowing control components, switching elements and other electronics to be integrated within a smaller installation space.

For applications where space is limited, mounting depth can influence the range of design options available long before the panel is assembled.

Installation and assembly requirements

The preferred assembly method can also influence control component selection.

RAFIX FS+ switching elements are available in both PCB and Quick Connect versions.

PCB switching elements can be integrated directly into a printed circuit board design, making them well suited to applications where automated production, repeatability and space efficiency are priorities.

Quick Connect switching elements provide an alternative where PCB integration is not required or where conventional wiring methods are preferred. The switching elements connect to the actuator without tools, helping simplify assembly and replacement.

The ability to choose between both connection methods allows the control system design to be matched to the manufacturing and assembly approach being used.

Environmental requirements

Operating conditions can have a significant influence on control component selection.

Applications exposed to moisture, dust, cleaning processes or demanding industrial environments may require higher levels of environmental protection.

The RAFIX 22 FSR range is designed for these situations, offering front-side protection ratings of up to IP65/IP69.

This helps protect the control interface from dirt and moisture while supporting reliable operation in challenging environments.

Operator interface requirements

Control components are one of the most visible parts of any machine or control system.

Their design influences how operators interact with equipment and how information is communicated through the interface.

The RAFIX ranges provide a wide selection of actuator styles, illumination options, colours and front ring designs. This flexibility allows control panels to be configured to suit both functional and visual requirements.

Features such as large actuating surfaces, homogeneous illumination and a variety of design options can help create clear and intuitive operator interfaces.

Selecting the right configuration

Different applications place different demands on control components.

Panel space, installation preferences, operating conditions and interface design can all influence the decision.

Because those priorities vary from one application to the next, flexibility becomes an important part of the selection process.

The RAFIX 22 FS+, RAFIX 30 FS+ and RAFIX 22 FSR ranges provide a modular platform that allows engineers to configure operator interfaces around those requirements while maintaining a consistent system architecture.