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

434 Products showing for Rotary Encoders

4 of 22
Temporarily out of stock
Grayhill Mechanical Rotary Encoder with a 6.35 mm Flat Shaft, Panel Mount
  • RS stock no. 878-0521
  • Mfr. Part No. 25LB22-H
Each
R 366.33(exc. VAT)
In Stock
Bourns 5V dc 128 Pulse Optical Encoder with a 6.342 mm Plain Shaft, Bracket Mount, Axial PC Pin
  • RS stock no. 789-9504
  • Mfr. Part No. ENA1D-B28-L00128L
Each
R 971.22(exc. VAT)
In Stock
Broadcom 5V dc Optical Encoder
  • RS stock no. 178-3263
  • Mfr. Part No. HEDS-9100#A00
Each (In a Bag of 100)
R 454.108(exc. VAT)
In Stock
Alps Alpine 15 Pulse Incremental Mechanical Rotary Encoder Slot Shaft, Through Hole
  • RS stock no. 172-8123
  • Mfr. Part No. EC11B152420G
Each (In a Tray of 70)
R 82.088(exc. VAT)
In Stock
Bourns 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS stock no. 789-9591
  • Mfr. Part No. PEC12R-2120F-S0012
Each
R 29.52(exc. VAT)
In Stock
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS stock no. 789-9557
  • Mfr. Part No. PEC11R-4225F-N0024
Each
R 32.78(exc. VAT)
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)
R 27.57(exc. VAT)
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)
R 274.688(exc. VAT)
In Stock
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft (Not Indexed), Through Hole
  • RS stock no. 737-7742P
  • Mfr. Part No. PEC11R-4215K-S0024
Each (Supplied in a Box)
R 37.60(exc. VAT)
In Stock
Bourns 512 Pulse Incremental Mechanical Rotary Encoder with a 6.34 mm Plain Shaft (Indexed), Bracket Mount
  • RS stock no. 737-7694
  • Mfr. Part No. EMS22D51-B28-LS5
Each
R 1,056.80(exc. VAT)
In Stock
Bourns 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS stock no. 789-9624
  • Mfr. Part No. PEC12R-4020F-S0012
Each
R 29.00(exc. VAT)
Currently unavailable
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)
R 71.339(exc. VAT)
In Stock
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
R 198.03(exc. VAT)
In Stock
Bourns 5V dc 128 Pulse Optical Encoder with a 6.342 mm Plain Shaft, Bracket Mount, Axial PC Pin
  • RS stock no. 789-9504P
  • Mfr. Part No. ENA1D-B28-L00128L
Each (Supplied in a Box)
R 971.22(exc. VAT)
Temporarily out of stock
Bourns 5V dc 128 Pulse Optical Encoder with a 6.35 mm Round Shaft, Bracket Mount
  • RS stock no. 167-3613
  • Mfr. Part No. ENA1J-B28-L00128L
Each (In a Tray of 42)
R 682.662(exc. VAT)
In Stock
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)
R 150.312(exc. VAT)
Temporarily out of stock
Bourns 512 Pulse Incremental Mechanical Rotary Encoder with a 6.34 mm Plain Shaft (Indexed), Bracket Mount
  • RS stock no. 167-4663
  • Mfr. Part No. EMS22D51-B28-LS5
Each (In a Box of 42)
R 726.376(exc. VAT)
In Stock
Broadcom 5V dc Optical Encoder
  • RS stock no. 796-7821
  • Mfr. Part No. AEDR-8500-102
Each
R 356.85(exc. VAT)
Last RS stock
Broadcom 500 Pulse Code Wheel with a 4 mm, Through Hole
  • RS stock no. 796-7834
  • Mfr. Part No. HEDS-5140#A11
Each
R 394.81(exc. VAT)
In Stock
Broadcom 5V dc Optical Encoder Hollow Shaft
  • RS stock no. 796-7846
  • Mfr. Part No. HEDS-5500#A11
Each
R 1,296.27(exc. VAT)
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