Rotary Encoder - 20 step with Switch Knurled 20mm

A 20-step rotary encoder with normally open momentary push switch.
Switch operation is by depression of the shaft.
Body dimensions 12.5 x 12.5 x 6.5mm
Knurled shaft, overall length 20mm, diameter 6mm.
Three terminal pins for Phase A - Gnd - Phase B.
Two terminal pins connect to switch contacts.
5mA 5V rated.
Vertical PCB mounting.