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. 125-1888
Mfr. Part No.AT4103B
€2.504
Each (In a Pack of 5)
units
Rotary Switch Knob FR01 Series Rocker Switch, MR Series Rocker Switch
RS Stock No. 878-0271
Mfr. Part No.11K5029-JCNB
BrandGrayhill
€0.472
Each (In a Pack of 50)
units
Control Knob Encoders, Rotary Switch
RS Stock No. 878-0262
Mfr. Part No.11K5029-KCNB
BrandGrayhill
€0.537
Each (In a Pack of 50)
units
Control Knob Encoders, Rotary Switch
RS Stock No. 878-0287
Mfr. Part No.11K5029-ECNB
BrandGrayhill
€0.744
Each (In a Pack of 50)
units
Control Knob Encoders, Rotary Switch
RS Stock No. 878-0246
Mfr. Part No.11K5014-KCNB
BrandGrayhill
€0.433
Each (In a Pack of 50)
units
Control Knob Encoders, Rotary Switch
RS Stock No. 878-0265
Mfr. Part No.11K5028-KCNB
BrandGrayhill
€1.413
Each (In a Pack of 10)
units
Control Knob Encoders, Rotary Switch
RS Stock No. 782-1277
Mfr. Part No.KR104
€1.012
Each (In a Pack of 5)
units
Shaft Size Adapter 1/4in → 1/8in Potentiometer Shafts
RS Stock No. 379-3913
Mfr. Part No.U656
BrandHartmann
€0.904
Each (In a Pack of 5)
units
Knob PT 65
RS Stock No. 167-9991
Mfr. Part No.ACCRFBOUTON41JF
BrandVishay
€34.53
Each (In a Pack of 5)
units
- -
RS Stock No. 278-1458
Mfr. Part No.U4944
BrandAPEM
€1.554
Each (In a Pack of 5)
units
Knob Rotary Switch
RS Stock No. 278-1442
Mfr. Part No.U4943
BrandAPEM
€1.554
Each (In a Pack of 5)
units
Knob Rotary Switch
RS Stock No. 878-0234
Mfr. Part No.11K5028-KMNB
BrandGrayhill
€3.74
Each
units
Control Knob Encoders, Rotary Switch
RS Stock No. 878-0280
Mfr. Part No.947705-001
BrandGrayhill
€0.541
Each (In a Pack of 50)
units
Knob Rotary DIP Switch
RS Stock No. 125-1887
Mfr. Part No.AT4103A
€2.252
Each (In a Pack of 5)
units
Rotary Switch Knob FR01 Series Rocker Switch, MR Series Rocker Switch
RS Stock No. 379-3890
Mfr. Part No.U655
BrandHartmann
€1.126
Each (In a Pack of 5)
units
Knob PT 65
RS Stock No. 379-3862
Mfr. Part No.U651
BrandHartmann
€0.978
Each (In a Pack of 5)
units
Knob PT 65
RS Stock No. 878-0284
Mfr. Part No.947705-012
BrandGrayhill
€0.669
Each (In a Pack of 50)
units
Knob Rotary DIP Switch
RS Stock No. 788-5136
Mfr. Part No.ACCRFBOUTON20JF
BrandVishay
€49.44
Each
units
- -
RS Stock No. 718-2364
Mfr. Part No.PKES60B1/4
€2.03
Each
units
Knob 6.35 mm Shafts
RS Stock No. 878-0268
Mfr. Part No.11K5028-JMNB
BrandGrayhill
€3.67
Each
units
Control Knob Encoders, Rotary Switch
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These control knobs are ideally suited for use ...
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