EAO Human Machine Interfaces

EAO, the expert partner for Human Machine Interfaces, offers manufacturers maximum design flexibility together with fast and simple construction through its globally recognised range of durable, stylish and modular Series 04 switches.



Reliability is guaranteed with EAO’s Series 04 range. Its square and round indicators, pushbuttons, rotary switches, emergency stops and mushroom-headed pushbuttons meet worldwide standards and approvals and thus meet all export requirements. The modular Series 04 fulfils all customer needs in terms of functionality and design.



EAO’s Series 04 pushbuttons or indicators can either be flush-mounted to a panel, providing protection against accidental operation, or raised for viewing the status from the side. Additional lens protection can be achieved with an extended or sealed ring. Lenses are available in a selection of colours together with film inserts for legends or symbols, and may be illuminated with either high-intensity LED’s that have a virtually limitless service life or incandescent lamps.



Series 04 snap-action or slow-make pushbuttons come standard with hard silver contacts. For particularly aggressive environments, silver/palladium contacts can be specified, and for switching lower currents a gold plated contact is available. There is a choice of either screw or plug-in terminals. The variety of switching elements enables currents from 2mA/110VDC to 10A/24VDC.


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