Rotary Switch Knobs

Rotary switch knobs are control knobs that fit various types of rotary switches, 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. 


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Description Price Accessory Type For Use With
RS Stock No. 718-2364
Mfr. Part No.PKES60B1/4
$3.33
Each
units
Knob 6.35 mm Shafts
RS Stock No. 878-0259
Mfr. Part No.11K5015-KMNB
BrandGrayhill
$6.12
Each
units
Control Knob Encoders, Rotary Switch
RS Stock No. 225-694
Mfr. Part No.140000050601
$5.05
Each
units
Knob Rotary Switch
RS Stock No. 878-0240
Mfr. Part No.11K5015-JMNB
BrandGrayhill
$5.00
Each
units
Control Knob Encoders, Rotary Switch
RS Stock No. 383-3184
Mfr. Part No.AT433A
$1.51
Each
units
Knob FR01;MR Series Switch
RS Stock No. 878-0268
Mfr. Part No.11K5028-JMNB
BrandGrayhill
$6.51
Each
units
Control Knob Encoders, Rotary Switch
RS Stock No. 429-0803
Mfr. Part No.AT-433
$3.60
Each
units
Knob DR Series
RS Stock No. 225-688
Mfr. Part No.140000050956
$5.09
Each
units
Knob Rotary Switch
RS Stock No. 225-672
Mfr. Part No.140000051012
$5.09
Each
units
Knob Rotary Switch
RS Stock No. 379-3878
Mfr. Part No.U652
BrandHartmann
$0.594
Each (In a Pack of 5)
units
Knob PT 65
RS Stock No. 782-1277
Mfr. Part No.KR104
$1.538
Each (In a Pack of 5)
units
Shaft Size Adapter 1/4in → 1/8in Potentiometer Shafts
RS Stock No. 125-1888
Mfr. Part No.AT4103B
$3.868
Each (In a Pack of 5)
units
Rotary Switch Knob FR01 Series Rocker Switch, MR Series Rocker Switch
RS Stock No. 225-666
Mfr. Part No.140000050598
$5.60
Each
units
Knob Rotary Switch
RS Stock No. 379-3890
Mfr. Part No.U655
BrandHartmann
$0.384
Each (In a Pack of 5)
units
Knob PT 65
RS Stock No. 379-3884
Mfr. Part No.U653
BrandHartmann
$1.618
Each (In a Pack of 5)
units
Knob PT 65
RS Stock No. 167-9991
Mfr. Part No.ACCRFBOUTON41JF
BrandVishay
$88.378
Each (In a Pack of 5)
units
- -
RS Stock No. 788-5148
Mfr. Part No.ACCRFBOUTON41JF
BrandVishay
$119.54
Each
units
- -
RS Stock No. 125-1889
Mfr. Part No.AT4103C
$3.768
Each (In a Pack of 5)
units
Rotary Switch Knob FR01 Series Rocker Switch, MR Series Rocker Switch
RS Stock No. 379-3913
Mfr. Part No.U656
BrandHartmann
$0.67
Each (In a Pack of 5)
units
Knob PT 65
RS Stock No. 693-1231
Mfr. Part No.U654/1
BrandApem
$1.328
Each (In a Pack of 5)
units
Knob Rotary Switch
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