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- Rotary_switch abstract "A rotary switch is a switch operated by rotation. These are often chosen when more than 2 positions are needed, such as a three-speed fan or a CB radio with multiple frequencies of reception or "channels".A rotary switch consists of a spindle or "rotor" that has a contact arm or "spoke" which projects from its surface like a cam. It has an array of terminals, arranged in a circle around the rotor, each of which serves as a contact for the "spoke" through which any one of a number of different electrical circuits can be connected to the rotor. The switch is layered to allow the use of multiple poles, each layer is equivalent to one pole. Usually such a switch has a detent mechanism so it "clicks" from one active position to another rather than stalls in an intermediate position. Thus a rotary switch provides greater pole and throw capabilities than simpler switches do.Rotary switches were used as channel selectors on television receivers until the early 1970s, as range selectors on electrical metering equipment, as band selectors on multi-band radios, etc.Modern rotary switches utilise a "star wheel" mechanism to provide the switching positions, such as at every 30, 45, 60, or 90 degrees. Nylon cams are then mounted behind this mechanism and spring-loaded electrical contacts slide around these cams. The cams are notched or cut where the contact should close to complete an electrical circuit.Some rotary switches are user configurable in relation to the number of positions. A special toothed washer that sits below the holding nut can be positioned so that the tooth is inserted into one of a number of slots in a way that limits the number of positions available for selection. For example, if only four positions are required on a twelve position switch, the washer can be positioned so that only four switching positions can be selected when in use.".
- Rotary_switch thumbnail Rotaryswitch.gif?width=300.
- Rotary_switch wikiPageID "1466591".
- Rotary_switch wikiPageRevisionID "593248204".
- Rotary_switch hasPhotoCollection Rotary_switch.
- Rotary_switch subject Category:Switches.
- Rotary_switch type Artifact100021939.
- Rotary_switch type Control103096960.
- Rotary_switch type Device103183080.
- Rotary_switch type Instrumentality103575240.
- Rotary_switch type Mechanism103738472.
- Rotary_switch type Object100002684.
- Rotary_switch type PhysicalEntity100001930.
- Rotary_switch type Switch104372370.
- Rotary_switch type Switches.
- Rotary_switch type Whole100003553.
- Rotary_switch comment "A rotary switch is a switch operated by rotation. These are often chosen when more than 2 positions are needed, such as a three-speed fan or a CB radio with multiple frequencies of reception or "channels".A rotary switch consists of a spindle or "rotor" that has a contact arm or "spoke" which projects from its surface like a cam.".
- Rotary_switch label "Drehschalter".
- Rotary_switch label "Rotary switch".
- Rotary_switch sameAs Drehschalter.
- Rotary_switch sameAs m.053sqv.
- Rotary_switch sameAs Q1256622.
- Rotary_switch sameAs Q1256622.
- Rotary_switch sameAs Rotary_switch.
- Rotary_switch wasDerivedFrom Rotary_switch?oldid=593248204.
- Rotary_switch depiction Rotaryswitch.gif.
- Rotary_switch isPrimaryTopicOf Rotary_switch.