Hengstler ACURO AR63 Absolute Rotary Encoder

Hengstler ACURO AR63 Absolute Rotary Encoder includes not only a robust housing but also large dimensioned, block-type ball bearings. Even high axial and radial forces acting in the axial plane of the shaft of this rotary encoder will not cause it to miss a beat. The AR63 will cope with extreme acceleration, marked changes in climatic conditions and even work normally underwater.

This means it is predestined for use in wind turbines, ships and commercial vehicles just as much as in presses, wood-processing machines or stone masonry. In terms of its electrical design. The interfaces available are SSI, BiSS, CANopen and analogue. The encoder is available with resolutions from up to 12 bits as a single-turn unit and 16 bits as a multi-turn device.

The special features of the AR63 not only comprise its particularly rugged enclosure, but also generously dimensioned, rigid ball-bearings. Capable of withstanding even high axial and radial loads on its shaft axis, this encoder type easily achieves a mechanical life of 10 9 rotations at a permanent radial load of 300 N and simultaneously, an axial load of 300N.

The AR63 was designed to easily withstands highest accelerations, extreme climatic fluctuations and even underwater operation.

In this way, our rugged absolute encoder is ideally suitable for applications in wind farms, marine or utility vehicle applications, as well as for use in presses or wood and stone processing machinery: applications where high resistance to harsh environments and maximum reliability are required at the same time. Available interfaces are SSI, CANopen and Analog (0 … 10 V or 4 … 20 mA).

Hengstler ACURO AR63 Absolute Rotary Encoder Features

  • Single-turn and multi-turn: Resolution up to 28 bits
  • Wear-free electronic multi-turn: contact-less and battery-less, energy independent
  • 300 N axial and radial load
  • 200 g shock-resistance/ 20 g vibration-resistance
  • suitable for use with high-pressure cleaners: Ingress protection up to IP 69K
  • Broad temperature range: -40 …. +100°C
  • Compact design: 32 mm mounting depth
  • Stainless steel housing
  • Suitable for maritime applications (DNV approved)


Fields of application that clearly unfold the benefits of ACURO-robust:

  • Construction machinery
  • Utility vehicles / trucks
  • Gantry cranes
  • Marine equipment
  • Offshore plants
  • Wind power plants
  • Commercial solar plants
  • Food & Beverage Industry
  • Filling plants
  • Presses
  • Your individual application

Hengstler ACURO AR63 Absolute Rotary Encoder Specification

Product Family AR63
Ordering Information Rotary Encoder AR63
Function / Application Absolute
Technology Magnetic
Approval UL
Housing Diameter [mm] 58 mm
Solid- / Hollow Shaft Solid 9,52 … 10 mm
Protection Rating Housing IP67 / IP69K
Operating Temperature [°C] -40 … +100 °C (depending on interface used)
Housing Option Stainless Steel
Increased Environmental Requirements High mechanical robustness
Chemical resistance
Seawater resistant
vehicle application
high humidity
Connection Cable
M12 connector
Revolutions [rpm] 1,500 … 5,000 rpm
Resolution ST [Bit] 12 Bit
Resolution MT [Bit] 12 … 16 Bit
Interface BiSS / SSI

Download Data Sheet: Absolute Rotary Encoder ACURO AR63

Ref: hengstler.de

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