Rotary Encoders

RS have a great range of Rotary Encoders that are suitable for a wide variety of electronics projects. Our Rotary Encoders are ideal for engineers, technicians and even beginners and are great value for money from trusted brands such as Bourns, Omron, TE Connectivity and Wurth Elektronik.

Rotary encoders are electro-mechanical devices that convert the angular position of a shaft to either analogue or digital output signals. The types of rotary encoders include mechanical rotary and optical rotary and can be installed using brackets specially designed for mounting in machinery.

Mechanical Rotary Encoders
Mechanical Rotary Encoders
Optical Rotary Encoders
Optical Rotary Encoders
Rotary Encoder Mounting Brackets
Rotary Encoder Mounting Brackets

449 Products showing for Rotary Encoders

17 of 23
In Stock
Bourns 256 Pulse Incremental Mechanical Rotary Encoder with a 3.17 mm Plain Shaft (Indexed), Bracket Mount
  • RS Stock No. 737-7697
  • Mfr. Part No. EMS22Q51-D28-LT4
Each
HK$414.80
In Stock
Elma 8 Pulse 2 bit Quadrature Mechanical Rotary Encoder with a 6 mm Slotted Shaft
  • RS Stock No. 241-2349
  • Mfr. Part No. E33-VT622-M45T
Each
HK$385.10
In Stock
Bourns 5V dc 256 Pulse Optical Encoder with a 6.35 mm Round Shaft, Bracket Mount
  • RS Stock No. 164-2633
  • Mfr. Part No. ENS1J-B28-L00256L
Each
HK$529.40
In Stock
Hengstler 30V dc 1000 Pulse Optical Encoder with a 10 mm Round Shaft, Flange Mount
  • RS Stock No. 280-4428
  • Mfr. Part No. 0550107
Each
HK$4,590.58
In Stock
Broadcom 5V dc Optical Encoder Hollow Shaft
  • RS Stock No. 796-7846P
  • Mfr. Part No. HEDS-5500#A11
Each (Supplied in a Bag)
HK$485.40
In Stock
Alps Alpine 12 Pulse Incremental Mechanical Rotary Encoder with a 2.2 mm Hollow Shaft (Not Indexed), Bracket Mount,
  • RS Stock No. 729-5536
  • Mfr. Part No. EC05E1220401
Each
HK$17.90
Temporarily out of stock
Nidec Components 5V dc 50 Pulse Optical Encoder with a 8 mm
  • RS Stock No. 244-4136
  • Mfr. Part No. RESW20D-50-201-1
Each (In a Tray of 10)
HK$149.33
Temporarily out of stock
Alps Alpine 12 Pulse Incremental Mechanical Rotary Encoder with a 3.6 mm Hollow Shaft (Not Indexed), Through Hole
  • RS Stock No. 172-6281
  • Mfr. Part No. EC10E1220505
Each (In a Bag of 400)
HK$4.18
In Stock
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 737-7739P
  • Mfr. Part No. PEC11R-4015F-S0024
Each (Supplied in a Tray)
HK$12.10
In Stock
Broadcom 5V dc Optical Encoder Hollow Shaft
  • RS Stock No. 178-3120
  • Mfr. Part No. HEDS-5540#A12
Each (In a Tray of 25)
HK$400.092
In Stock
Bourns 15 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft (Not Indexed), , SMD
  • RS Stock No. 789-9582P
  • Mfr. Part No. PEC11S-929K-N0015
Each (Supplied in a Bag)
HK$16.50
Temporarily out of stock
Wurth Elektronik 20 Pulse Incremental Mechanical Rotary Encoder with a 6 mm, Through Hole
  • RS Stock No. 185-4077
  • Mfr. Part No. 482020514001
Each (In a Tray of 1000)
HK$23.926
In Stock
Broadcom 5V dc Optical Encoder Hollow Shaft
  • RS Stock No. 796-7859P
  • Mfr. Part No. HEDS-5540#A02
Each (Supplied in a Bag)
HK$501.90
In Stock
Broadcom 5V dc 304 LPI Pulse Optical Encoder, Surface Mount
  • RS Stock No. 178-3224
  • Mfr. Part No. AEDR-8500-102
Each (On a Reel of 100)
HK$125.415
In Stock
Nidec Components 5V dc 25 Pulse Optical Encoder with a 8 mm
  • RS Stock No. 244-4135
  • Mfr. Part No. RESW20D-25-201-1
Each
HK$176.70
Temporarily out of stock
Kubler Rotary Encoder Mounting Bracket
  • RS Stock No. 181-1105
  • Mfr. Part No. 8.0010.4016.0000
Each
HK$313.99
In Stock
Broadcom 5V dc Optical Encoder with a 4 mm Hollow Shaft
  • RS Stock No. 818-8849
  • Mfr. Part No. HEDS-5540#A11
Each
HK$529.30
In Stock
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 167-5399
  • Mfr. Part No. PEC12R-4025F-S0024
Each (In a Bag of 75)
HK$7.952
Temporarily out of stock
Bourns 5V dc 32 Pulse Optical Encoder with a 6 mm Slotted Shaft, Through Hole, Axial PC Pin
  • RS Stock No. 167-5308
  • Mfr. Part No. EM14R1D-R20-L032N
Each (In a Tube of 25)
HK$193.724
Temporarily out of stock
Nidec Components 5 → 12V 300 Pulse Optical Encoder with a 4 mm
  • RS Stock No. 244-4099
  • Mfr. Part No. RE30E-300-213-1
Each (In a Box of 5)
HK$577.72
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