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

562 Products showing for Rotary Encoders

1 of 29
Being discontinued
Alps Alpine 24 ppr Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft, Through Hole
  • RS Stock No. 265-1739
  • Mfr. Part No. EC16B242040R
Subtotal (1 unit)
SGD2.05(exc. GST)
In Stock
Broadcom 5V dc 500 ppr Pulse Optical Encoder with a 4 mm, Through Hole
  • RS Stock No. 818-8820
  • Mfr. Part No. HEDL-5540#A11
Subtotal (1 unit)
SGD82.76(exc. GST)
In Stock
Broadcom 500 ppr Pulse Code Wheel with a 4 mm, Through Hole, Solder
  • RS Stock No. 796-7830
  • Mfr. Part No. HEDS-5120#A11
Subtotal (1 unit)
SGD30.13(exc. GST)
In Stock
Broadcom 500 ppr Pulse Code Wheel with a 4 mm, Through Hole, Solder
  • RS Stock No. 178-3141
  • Mfr. Part No. HEDS-5120#A11
Subtotal (1 tray of 50 units)
SGD1,280.00(exc. GST)
In Stock
Alps Alpine 12 ppr Pulse Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 623-4186
  • Mfr. Part No. EC12E1220401
Subtotal (1 unit)
SGD3.42(exc. GST)
Stocked by manufacturer
Hengstler 30V dc, 7 V dc 2048 ppr Pulse Absolute Encoder with a 8 mm Through Hollow Shaft Shaft, Spring
  • RS Stock No. 666-6892
  • Mfr. Part No. AD36/0013EF.0RSCB
Subtotal (1 unit)
SGD833.71(exc. GST)
In Stock
Broadcom 5V dc Optical Encoder with a 6 mm Hollow Shaft, Standard Mount, External
  • RS Stock No. 178-3119
  • Mfr. Part No. HEDS-5500#A12
Subtotal (1 tray of 25 units)
SGD1,759.50(exc. GST)
In Stock
Alps Alpine 15 ppr Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 729-5589
  • Mfr. Part No. EC11E15244G1
Subtotal (1 unit)
SGD5.10(exc. GST)
In Stock
Wurth Elektronik 15 ppr Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft, Through Hole
  • RS Stock No. 185-4391
  • Mfr. Part No. 482016514001
Subtotal (1 pack of 2 units)
SGD10.53(exc. GST)
In Stock
Bourns 12 ppr 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
Subtotal (1 unit)
SGD2.28(exc. GST)
In Stock
Bourns 1 ppr Pulse Mechanical Rotary Encoder with a 5 mm Knurl Shaft
  • RS Stock No. 246-3264
  • Mfr. Part No. PTV09A-4015U-B103
Subtotal (1 unit)
SGD1.16(exc. GST)
In Stock
Nidec Components 12V dc, 5 V dc 500 ppr Pulse Optical Encoder with a 4 mm Flat Shaft, Wire
  • RS Stock No. 244-4105
  • Mfr. Part No. RE30E-500-213-1
Subtotal (1 box of 5 units)
SGD395.66(exc. GST)
In Stock
Nidec Components 12V, 5 V 100 ppr Pulse Optical Encoder with a 4 mm Flat Shaft, Wire
  • RS Stock No. 244-4094
  • Mfr. Part No. RE30E-100-213-1
Subtotal (1 unit)
SGD116.50(exc. GST)
In Stock
Broadcom 5V dc Optical Encoder Hollow Shaft, Standard Mount, External
  • RS Stock No. 796-7859
  • Mfr. Part No. HEDS-5540#A02
Subtotal (1 unit)
SGD88.80(exc. GST)
In Stock
Elma 16 ppr Pulse Mechanical Rotary Encoder
  • RS Stock No. 224-2287
  • Mfr. Part No. E37-VT6330-1
Subtotal (1 unit)
SGD104.98(exc. GST)
In Stock
Bourns 24 ppr Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft, Through Hole
  • RS Stock No. 781-6830
  • Mfr. Part No. PEC11R-4220K-S0024
Subtotal (1 unit)
SGD3.35(exc. GST)
In Stock
Elma 16 ppr Pulse 2 Bit Quadrature Mechanical Rotary Encoder with a 6 mm Slotted Shaft
  • RS Stock No. 241-2344
  • Mfr. Part No. E33-ST6C2-M01T
Subtotal (1 unit)
SGD52.60(exc. GST)
In Stock
Broadcom 5V dc Optical Encoder with a 6 mm Hollow Shaft, Standard Mount, External
  • RS Stock No. 818-8830
  • Mfr. Part No. HEDS-5500#A12
Subtotal (1 unit)
SGD90.20(exc. GST)
In Stock
Bourns 10 ppr Pulse Incremental Mechanical Rotary Encoder with a 3 mm (Not Indexed), PCB
  • RS Stock No. 269-2418
  • Mfr. Part No. PER351-P115-N0010
Subtotal (1 unit)
SGD5.65(exc. GST)
In Stock
Bourns 24 ppr Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole
  • RS Stock No. 737-7739
  • Mfr. Part No. PEC11R-4015F-S0024
Subtotal (1 unit)
SGD2.80(exc. GST)
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