Electromechanical devices, including switches, keypads, keyboards, pointing devices and other elements such as indicators and alarms, are critical aspects of the human-machine interface (HMI) for controlling equipment and systems. Full consideration must be given to the environment in which these devices will be deployed before specifying for any advanced HMI system.
Where water, fuel, cleaning solutions, fine dust, and other materials may come in contact with control panels it is important to select components with an appropriate rating for environmental protection. Failure to do so might lead to significant danger to people and equipment.
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