70mm Housing rotary encoder A/B/Z incremental encoder

External diameter 70mm with a flange, Solid shaft size 8mm, size of the shaft customizable.Revolution 10/20/…/100/200/500/1000/2000/ up to 5400 PPR optional

Various output types. Cable connection & 7-pin plug connection



CHR70 70mm housing rotary encoder A/B/Z incremental encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to an analog or digital code. It’s widely used in heavy-duty, lightweight, easy to install, and great for CNC machines, elevators, etc.

  • High-quality flame-retardant shell, safe and durable, long service life.
  • Long cables, outsourcing flame retardant materials
  • Frequency response is fast
  • Waterproof, anti-corrosion
  • High & low temperature resistant
  • Aluminum housing, cable side entry, or rear entry selectable
  • Complete pulse & stable pulse

Main Features

  • Working Principle: Incremental
  • Solid shaft, diameter 70mm
  • Solid shaft type with shaft size at 8mm(standard), other shaft size customizable
  • Various pulse options to a maximum of 5400 ppr
  • Push-pull, NPN/PNP open collector, Line driver, Push-pull with inverted signal output
  • Cable connection & 7-pin plug connection
  • 8-30V DC /5V DC power supply
  • 2 meters standard wire length, or extended wire length as per your request
  • 3 phase A B Z or 6 phase A B Z A’ B’ Z’
  • Compact size, Long revolution, strong anti-interference ability
  • Frequency: 100KHZ
  • Maximum permissible speed: 4000 rpm

Your reliable encorder supplier

Small size 

     Less weight

         Long working life 

            Convenient installation



Slew speed Radial direction Axial direction Weight Construction Operation temperature Storage temperature Impact resistance Concussion resistance Starting torque( at 25℃)
4000rpm 20N 10N 0.1-0.5kg IP54 -10℃ ~ 70℃ -30℃ ~ 85℃ 980m/s, 6ms, twice in XYZ direction 50m/s, 10-200Hz 5×10-² N.m


Supply voltage Current requirements Frequency response Load current Output voltage (VH) Output voltage(VL) Rise/Fall time
Line driver


5V±0.25 250mA 100kHz 20mA 2.8V 0.5V 100ns
Complementary DC 8-30V 120mA 100kHz 30mA Vcc×85% 1V 1us
Voltage/Open collector DC 8-30V 120mA 100kHz 30mA Vcc×85% 0.5V 1us
Cable color Red Black Green White Yellow Brown Grey Orange Shield
Line driver Vcc 0V A B Z A B Z G
Complementary/Voltage/Open collector Vcc 0V A B z G

Warranty: 12 months

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1 x CHR70 incremental rotary encoder

​​​1 x shaft coupling

​1 x Manual