Series 04 – Versatile, Robust and Reliable

Series 04 – Versatile, Robust and Reliable
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EAO Group

Series 04 – Versatile, Robust and Reliable

Intuitive, ergonomic controls promote safety in rail transport – EAO’s versatile Series 04 has proven its value in modern rail vehicles by fulfilling a variety of application requirements and standards.

Thanks to their modern design, safe and ergonomically friendly operation, and pronounced tactile feedback, the Series 04 has become an established feature of driver desks in particular. The extensive range of Series 04 products offer options in either square or round styles, and standard or flush mount styles.

Typical applications

  • Driver desks
  • Control units
  • Control cabinets

Each Human Machine Interface (HMI) function can be designed precisely to meet the required specification for the given application. For instance, standardised or customised markings in the form of engraved text or symbols provide seamless and intuitive operation. Precision, speed and reliability in operation makes Series 04 suitable for machinery control applications such as control cabinets and main operator panels too.


  • Pushbutton
  • Illuminated pushbutton
  • Mushroom-head pushbutton
  • Selector switch
  • Keylock switch
  • Key-insert switch
  • Lever switch
  • Indicator
  • Flasher
  • Buzzer
  • Potentiometer
  • Stop switch
  • Emergency stop switch
  • Emergency call switch

Front bezels made of black or silvered plastic, as well as natural or black anodised aluminium, give these actuators and indicators a design that is as modern as it is robust.

Slow make and snap-action switching elements offer a choice of screw, ring cable shoe, single or double plug-in terminals as well as an intuitive option of push-in terminals (PIT) that does not require any additional tools.

The Series 04 offers a modular design that easily allows up to three switching elements, thereby enabling multiple configurations to suit a variety of end-user functions.

Universal Series 04 components are used in public transportation applications throughout the world. Their compliance to international approvals along with relevant standards and directives fulfil strict requirements from the railway industry as well as the mechanical engineering industry and many other markets.

Download the full PDF here.

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