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EAO’s Series 04 Weathers Extreme Temperatures

switches for high temperature environments


EAO’s Series 04 switches with UL certification have the ability to operate dependably within -40°C to +55°C. This extended temperature range increases Series 04 performance and reliability in extreme environments.

Series 04: Versatile, Robust and Reliable

Thanks to their modern design, safe and ergonomically friendly operation, and pronounced tactile feedback, the Series 04 has become an established feature of drivers’ cabs in particular. The extensive range of Series 04 products offers square or round options that enable virtually flush front mounting styles.

Each function of the Series 04 can be designed precisely to specification for the given application. For instance, standardized or customized markings can enable intuitive operation in the form of text or symbol engravings as found on the lens or marking plate.

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

The switching elements also offer a choice of screw or plugin terminals as well as tool-less mounting using the intuitive option of push-in terminals (PIT). Combined with international approvals and compliance with relevant standards and directives, Series 04 actuators and indicators cater to all the needs of users.

Typical applications

  • Driver’s cab
  • Control units
  • Control cabinets

More info


HHP Associates, Inc., a division of ESI,  is the Florida representative for EAO Switches, a global technology leader and manufacturer of Human Machine (HMI) systems and components serving the transportation, machinery, heavy duty, lifting and moving, specialty vehicle, medical and automotive markets. Intuitive development skills along with global manufacturing capabilities, worldwide supply chains, and superior project and consultation management result in complete and innovative HMI Systems. HMI components include award-winning pushbuttons, indicators, emergency stop switches, rotary selectors, keylocks and more.

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