Incremental/Contact Encoder
2-bit Gray code
continuous travel
Momentary push button switch.
20 positions/pulse every 360 degrees (rotation).
5 pins, 3 pins for "code" and 2 pins for push button switches.
Nuts and washers available
Rated voltage: 5V DC, 10mA
Conductor: Min. 10 mA max
Operating temperature: -10°C~+70°C

Four different axis styles, choose the style you need from the drop down options above.
The axis styles are:
15mm 'D' shaft (15mm body to tip, 8mm stem for knob)
15mm round ribbed shaft (15mm body to tip, 8mm stem for knob)
20mm 'D' shaft (20mm body to tip, 12mm stem for knob)
20mm round ribbed shaft (20mm body to tip, 12mm stem for knob)