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Elma Cap for use with Rotary switch knob


Rotary switch knobs are control knobs that fit various types of rotary switches, [rotary encoders](/web/c/automation-control-gear/sensors-transducers/rotary-encoders/) and shafts. They play an important role in making a device easier to control by adjusting levels. The degree of rotation applied to the switch knob corresponds to the desired input.

**How do rotary switch knobs work?**

Once connected to a switch, rotary switch knobs typically work with a clockwise rotation producing an increased input. They are controlled by hand, with a scale or pointer to help achieve the right setting. Rotary switch knobs often have contoured or ridged sides for grip and ease of use.

**Types of rotary switch knobs**

Rotary switch knobs come in a selection of shaft diameters, making them suitable for use with a wide range of switches. Most switch knobs are made from polyester or nylon and have a brass insert for a tighter fit with the shaft. Choosing the right switch depends on the application. There are right angle, through-hole mounting and surface mount versions with press-on and set-screw attachments. They are designed with slits or lines to display the current selection on the switch and come in a selection of colours.



Rotary Switch Knobs

Rotary Switches & Components

Switches

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1492797549

1805640584

1872595187

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2099506070

2911534392

2972144945

3047907070

3089561311

3379516231

3702440375

3893962904

3999174723

4084450865

482906937

573211935

607105215

630592386

1337321341

1713511683

1953764780

215561600

2212326362

245755136

2675376924

2694081498

2854130884

3031041232

3479376779

3537785963

3606191116

3676807775

3694170890

3696367266

3871454867

3980878867

4239710393

730636658

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