Abstract: This disclosure depicts a novel multiple position electric pushbutton switch. The novel switch comprises a cam and a movable contact assembly having at least two spring elements, each having an electrical contact and a cam-engaging portion. The switch further comprises at least two stationary electrical contacts for contacting the electrical contacts of the movable contact assembly. A housing is provided for containing the cam, the movable contact assembly and the stationary contacts. As the cam is depressed and moved downward into the housing, the cam engages one of the spring elements of the movable contact assembly causing the electrical contact on the spring element to contact a corresponding stationary electrical contact.

Abstract: An industrial type switch having modular parts which may be assembled so the switch may be used in a wide range of installations. The switch includes a differential module which is easily adjustable to operate over a selected range of pressures, a plug-in snap switch module so the switch may be easily wired and serviced, a range module so the response of the switch to pressures within a range may be readily accomplished, and any one of a plurality of different type actuator modules which are mountable on the exterior of the switch so the switch may be used in a large variety of different type installations.