Encoder RE520

Ø 58 mm round flange

The range of incremental Size58 encoders  with round flange includes different mechanical types: the series RE520, with centering mask diameter 50 mm, compatible with the international standard Size23, RE540, with centering mask diameter 36 mm and RE530 with flange type RE0444.

All the types are housed in a metal case. The connection type and position can be chosen among different options, as well as the output signal formats and the shaft diameters.
The pulses per revolution number ranges from 2 to 12500.
The zero reference pulse option is available for all the series (type RE521 etc.).


  • Voltage supply 5/30 Vdc – Power consumption 30/80 mA
  • Max counting frequency 100 KHz – 200 KHz for ppr > 1250
  • Axial or radial connector outlet, equipped with the flying part – Axial or radial cable outlet, 3 m long cable (cable length 1 m with line driver output)
  • Output signals: NPN open collector, push-pull, 5 Vdc line driver (supply 5/30 Vdc), 5/30 Vdc line driver (supply 5/30 Vdc)
  • Protection against short circuit and polarity reversal
  • Aluminium case 
  • IP65 protection degree (optional IP66 with O-ring mounted on the shaft)
  • Series RE520

    Round flange Ø 58 mm, servo coupling
    Centering mask Ø 50 mm International standard SIZE23 – Clamping Flange
    Shaft Ø 6 – 8 – 9.52 or 10 mm
    Aluminium case
    Pulses/revolution: 2÷12500

  • Series RE540

    Round flange Ø 58 mm,
    Centering mask Ø 36 mm Synchro Flange
    Shaft Ø 6 – 8 – 9.52 or 10 mm
    Aluminium case                
    Pulses/revolution: 2÷12500

  • Series RE530

    Round flange
    International standard RE0444 
    Shaft Ø 11 mm
    Aluminium case
    Pulses/revolution: 2÷12500

Download: Encoder RE520