A heavy-duty industrial key switch that locks in position and requires a key to change settings, used on machinery and control panels in tough environments.

A 2-position latching key switch with a 22mm panel cutout, used to control machinery and equipment on/off or select between two operating modes in industrial settings.

A heavy-duty industrial key-operated selector switch with three positions that holds its setting, rated for wet and dusty environments, commonly used to control machine startup and shutdown.