Abstract: A movable contact of a rotary switch, including a pair of contact blades for making an electrical contact to a stationary contact receivable between the contact blades. The movable contact includes a traction member for providing a traction force between the contact blades, wherein the traction member is a unitary piece including two frame portions for framing the pair of contact blades, the traction member including a spring portion for pressing one of the contact blades against the other contact blade, wherein the spring portion is arranged between the two frame portions arranged at a distance from each other.

Abstract: A stationary contact for a rotary switch is provided. The stationary contact includes a connection portion for connecting to a conductor and a first portion being a contact portion for connecting the stationary contact to a rotary contact. The stationary contact also includes a second portion being a support portion for supporting the stationary contact to a switch body. The contact portion and support portion extend in the same angle from the connection portion. A method of mounting a rotary switch is also provided.

Abstract: A rotation mechanism for a rotary switch and a method of operating a rotary switch are provided. The rotation mechanism includes a mechanism shaft for switching the switch between open and closed positions of the switch, a crank rotationally connected to the mechanism shaft, a spring connected to the crank, where the spring has a dead point between the open and closed positions of the switch, and a force transmission roll rotationally connected to the crank. The mechanism shaft, crank and force transmission roll have a common axis of rotation. There is a predetermined rotational free-play between the rotation of the mechanism shaft and the crank, and a predetermined rotational free-play between the rotation of the crank and the force transmission roll.

Abstract: A roll for rotating a movable contact of a rotary switch, and a method of mounting a switch are provided. The roll includes a first slot going along the diameter of the roll and open from the top of the roll for receiving the movable contact for contacting with a stationary contact of the rotary switch, and a second slot arranged perpendicular to the first slot for receiving teeth of an upper roll to be mounted together with the roll.

Abstract: A movable contact for a rotary switch is provided. The movable contact includes first and second contacts for contacting a stationary contact, where the first and second contacts are arranged at a distance from each other for receiving the stationary contact between the first and second contacts. The first contact is a straight contact blade for contacting stationary contacts at both ends of the blade. The second contact is a spring element configured to bend when the stationary contact is placed between the first contact and the second contact, and to cause a pressing force to the stationary contact to press the stationary contact against the first contact after the stationary contact has been placed between the first contact and the second contact.

Abstract: A movable contact of a rotary switch, including a pair of contact blades for making an electrical contact to a stationary contact receivable between the contact blades. The movable contact includes a traction member for providing a traction force between the contact blades, wherein the traction member is a unitary piece including two frame portions for framing the pair of contact blades, the traction member including a spring portion for pressing one of the contact blades against the other contact blade, wherein the spring portion is arranged between the two frame portions arranged at a distance from each other.