Patent ID: 6872905

Claim:
A modular selection button for actuating contact elements, the selection button comprising: a housing; a rotating handle; a disk-shaped transmission member supported in the housing and non-rotatably coupled to the handle, the transmission member including at least one axially projecting and axially acting switching cam element disposed on a rear side thereof; a first stop device including at least one first stop disposed on the housing and fixed relative to the housing and a first counterstop disposed on the handle and rotatable using the handle, the first stop device configured to limit a first angle of rotation of the handle, the first stop device useable for a first latching mode of the selection button, the first latching mode having a first resting position, a first clockwise latched rotated position and a first counterclockwise latched rotated position; a second stop device including at least one second stop disposed on the housing and fixed relative to the housing and a second counterstop disposed on the transmission member and rotatable using the handle, the second stop device limiting a second angle of rotation of the handle, the second stop device useable for a second latching mode of the selection button, the second latching mode having a second resting position and a second clockwise latched rotated position; and at least one switch plunger supported in the housing so as to be non-rotatable and axially movable against a spring device, the at least one switch plunger including a symmetrically formed end face configured to cooperate with the at least one switching cam element, the transmission member latching onto the switch plunger using the end face and the switching cam element when a predetermined angle of rotation of the handle is reached.