- EAO is a global technology leader and manufacturer of human machine interface (HMI) components and systems. EAO serves a wide range of industries, including the transportation, machinery, heavy duty, specialty vehicle, lifting and moving, medical and automotive markets. With more than 600 employees worldwide, EAO is headquartered in Olten, Switzerland and has subsidiaries and manufacturing locations in North America, Europe and Asia.

Newest Products View All (7)

Smart Box Adds Plug-and-Play Control for Industrial Environments

EAO offers its compact, all-purpose Smart Box for a wide range of applications in the industrial environment. Learn More

Series 45 Switches

EAO's Series 45 switches are IP69K rated and are designed for use in harsh industrial environments such as machinery and industrial automation. Learn More

Series 84 Emergency Stop Switches

EAO's series 84 emergency stop switches provide innovative illumination options in flush mount styles designed for a variety of industrial applications. Learn More

Series 61 Compact Emergency Stop Switches

EAO's high-quality Series 61 of compact emergency stop switches feature a modern design that fits any high-temperature or mechanically demanding applications. Learn More

Series 82 Pushbutton Switches

EAO's series 82 switches are sealed, all metal actuators that offer strength, style, and increased versatility that excel in harsh environments. Learn More

Emergency Stop Switches

EAO's emergency stop switches offer foolproof equipment shutdown and ensure safety and security for all applications. Learn More

Featured Videos View All (5)

EAO - Series 61 E-Stops compact

The UL-certified Series 61 compact emergency stop switch from EAO is especially suited for handheld control units.

EAO shortest stop switch

EAO sets new worldwide standard with shortest stop switch. The world's first stop switch with a mounting depth of less than 19mm has been developed by EAO -- the expert partner for Human Machine Interfaces.

Your Expert Partner for Human Machine Interfaces, Overview Video

EAO is an international leader in HMI who creates innovative, reliable and intuitive HMI Systems and Components that ensure the highest customer satisfaction and effective end user operation -- from initial concept to full series production.

EAO Series 57 sets The New Standard

EAO Series 57 sets The New Standard

Manufacturer Web site