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G-305 Incremental Encoder with 1 or 2 pulse tracks

Made in GermanyThe G 305 is a compact, mechanically driven rotary encoder. It uses optic electronics to convert the rotary movements into pulses. The G-305 has two tracks.

  • For axial or radial mounting
  • Simple encoder with low resolution
  • Drive shaft also protruding on both sides

Output signals

Signals with clockwise rotation when looking at the flange.

Connection assignment
Plug Cable color Assignement
Pin 1 brown UB
Pin 2 blue GND
Pin 3 black Track A
Pin 4 beige Track B (2 pulse tracks)
n.c. (1 pulse track)

Dimensions G-305

Operating voltage 10...30 VDC
Current consumption Max. 40 mA (without load)
Resolution Up to 120 pulses
Scanning frequency Max. 10 kHz with 1 pulse track
Max. 6 kHz with 2 pulse tracks
Output stages Push-pull
Speed Max. 6000 rpm
Torque < 0.002 Nm
Shaft loading
axial < 5 N
radial < 10 N
Flange/housing Glass-fiber reinforced plastic
Weight Approx. 130 g
Operating temperature 0...+60 °C
Protection type
with housing plug IP 30
PG with cable IP 52
Humidity Max. relative humidity 95 %,


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