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

415 Products showing for Rotary Encoders

6 / 21
Alps Alpine 12 Pulse Mechanical Rotary Encoder Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 172-6303
  • Mfr. Part No. EC12E1220401
Each (In a Tray of 120)
MYR5.644
Bourns 128 Pulse Absolute Mechanical Rotary Encoder with a 6.35 mm Plain with Slot Shaft (Not Indexed), Bracket Mount
  • RS Stock No. 167-3625
  • Mfr. Part No. EAW0J-B24-AE0128L
Each (In a Tray of 45)
MYR39.901
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
MYR308.91
Bourns 128 Pulse Absolute Mechanical Rotary Encoder with a 6.35 mm Plain with Slot Shaft (Not Indexed), Bracket Mount
  • RS Stock No. 263-2918
  • Mfr. Part No. EAW0J-B24-AE0128L
Each
MYR42.57
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed)
  • RS Stock No. 737-7760
  • Mfr. Part No. PEC11R-4225F-S0024
Each
MYR8.33
Alps Alpine 15 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 172-7669
  • Mfr. Part No. EC11E15244G1
Each (In a Tray of 120)
MYR13.576
Bourns 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 789-9598P
  • Mfr. Part No. PEC12R-2120F-N0012
Each (Supplied in a Box)
MYR5.16
Alps Alpine 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 172-7596
  • Mfr. Part No. EC12E24204A8
Each (In a Tray of 120)
MYR5.558
Bourns 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed)
  • RS Stock No. 737-7758
  • Mfr. Part No. PEC11R-4220F-S0012
Each
MYR7.99
Bourns 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft, Through Hole
  • RS Stock No. 167-5382
  • Mfr. Part No. PEC11R-4215F-S0012
Each (In a Bag of 75)
MYR6.042
Broadcom 5V dc Optical Encoder
  • RS Stock No. 796-7878
  • Mfr. Part No. HEDS-9100#A00
Each
MYR151.86
Broadcom 5V dc Optical Encoder
  • RS Stock No. 796-7806
  • Mfr. Part No. AEDB-9140-A13
Each
MYR249.86
Alps Alpine 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Indexed), Through Hole
  • RS Stock No. 729-5836
  • Mfr. Part No. EC12E2420801
Each
MYR8.12
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft, Through Hole
  • RS Stock No. 781-6830
  • Mfr. Part No. PEC11R-4220K-S0024
Each
MYR7.51
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed)
  • RS Stock No. 167-4657
  • Mfr. Part No. PEC11R-4225F-S0024
Each (In a Bag of 75)
MYR7.043
Broadcom 5V dc Optical Encoder, Surface Mount
  • RS Stock No. 566-065
  • Mfr. Part No. AEDR-9940ER-100
Each
MYR106.41
Bourns 18 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft (Not Indexed), Through Hole
  • RS Stock No. 789-9523
  • Mfr. Part No. PEC11R-4115K-S0018
Each
MYR11.53
Bourns 18 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft, Through Hole
  • RS Stock No. 167-5429
  • Mfr. Part No. PEC11R-4120F-S0018
Each (In a Bag of 75)
MYR6.145
Variohm Group 640 Pulse Incremental Mechanical Rotary Encoder Round Shaft, Screw Mount
  • RS Stock No. 315-132
  • Mfr. Part No. H40640000005ANUFBX
Each
MYR253.50
Broadcom 5V dc Optical Encoder
  • RS Stock No. 796-7821
  • Mfr. Part No. AEDR-8500-102
Each
MYR86.45
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