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

5 of 23
In Stock
Nidec Components 5V dc 50 Pulse Optical Encoder with a 20 mm Slotted Shaft, Panel Mount
  • RS Stock No. 202-4409
  • Mfr. Part No. RES20D-50-201-1
1 Box of 5
HK$720.00
In Stock
Broadcom 5V dc Optical Encoder
  • RS Stock No. 178-3266
  • Mfr. Part No. HEDS-9140#A00
Each (In a Tube of 100)
HK$274.508
Last RS stock
Alps Alpine 15 Pulse Incremental Mechanical Rotary Encoder with a 9 mm Knurl Shaft (Not Indexed), Through Hole
  • RS Stock No. 172-7707
  • Mfr. Part No. EC11E152U402
Each (In a Tray of 80)
HK$60.344
Temporarily out of stock
Bourns 5V dc 64 Pulse Optical Encoder with a 6.35 mm Round Shaft, Bracket Mount
  • RS Stock No. 162-2507
  • Mfr. Part No. ENA1J-B28-L00064L
Each (In a Tray of 42)
HK$328.267
Temporarily out of stock
Broadcom 5V dc 180 LPI Pulse Optical Encoder, Surface Mount
  • RS Stock No. 178-3222
  • Mfr. Part No. AEDR-8300-1Q2
Each (On a Reel of 100)
HK$54.862
In Stock
Broadcom 500 Pulse Code Wheel with a 4 mm, Through Hole
  • RS Stock No. 178-3141
  • Mfr. Part No. HEDS-5120#A11
Each (In a Tray of 50)
HK$139.216
Temporarily out of stock
Bourns 5V dc 128 Pulse Optical Encoder with a 6.342 mm Plain Shaft, Bracket Mount, Axial PC Pin
  • RS Stock No. 167-5490
  • Mfr. Part No. ENA1D-B28-L00128L
Each (In a Tray of 42)
HK$328.267
In Stock
Alps Alpine 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 729-5801
  • Mfr. Part No. EC12E24204A8
Each
HK$14.10
In Stock
Bourns 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 789-9591P
  • Mfr. Part No. PEC12R-2120F-S0012
Each (Supplied in a Bag)
HK$11.60
In Stock
Broadcom 3.3V dc 225 LPI Pulse Optical Encoder, Surface Mount
  • RS Stock No. 220-7145
  • Mfr. Part No. AEDR-9820A-102
Each
HK$258.50
In Stock
Broadcom 3.3V dc 225 LPI Pulse Optical Encoder, Surface Mount
  • RS Stock No. 220-7145P
  • Mfr. Part No. AEDR-9820A-102
Each (Supplied on a Reel)
HK$258.50
In Stock
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft (Indexed), Through Hole
  • RS Stock No. 789-9541P
  • Mfr. Part No. PEC11R-4215K-N0024
Each (Supplied in a Tray)
HK$12.70
In Stock
Broadcom 500 Pulse Code Wheel with a 4 mm, Through Hole
  • RS Stock No. 796-7830P
  • Mfr. Part No. HEDS-5120#A11
Each (Supplied in a Bag)
HK$152.70
Temporarily out of stock
Nidec Components 5V dc 100 Pulse Optical Encoder with a 6 mm
  • RS Stock No. 244-4140
  • Mfr. Part No. RMS20-100-201-1
Each
HK$373.97
Currently unavailable
Alps Alpine 24 Pulse Mechanical Rotary Encoder Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 172-7599
  • Mfr. Part No. EC12E24202A2
Each (In a Tray of 110)
HK$11.795
In Stock
Broadcom 5V dc Optical Encoder Hollow Shaft
  • RS Stock No. 178-3118
  • Mfr. Part No. HEDS-5605#E06
Each (In a Tray of 25)
HK$786.667
In Stock
Nidec Components 5V dc 50 Pulse Optical Encoder with a 6 mm Round Shaft, Wire Lead
  • RS Stock No. 182-5627
  • Mfr. Part No. RESW20D-50-201-1
Each
HK$144.80
In Stock
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft, Through Hole
  • RS Stock No. 781-6824P
  • Mfr. Part No. PEC11R-4015F-N0024
Each (Supplied in a Box)
HK$12.90
In Stock
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft, Through Hole
  • RS Stock No. 781-6824
  • Mfr. Part No. PEC11R-4015F-N0024
Each
HK$12.90
Currently unavailable
Bourns 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 789-9652P
  • Mfr. Part No. PEC12R-4220F-S0012
Each (Supplied in a Box)
HK$11.60
Results per page
1
5
23

Related links