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Allen-Bradley Hardware Product

Hydraulic Cylinder Position Sensors

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Bulletin 871D Cylinder Position Sensors are ideal for end-of-stroke detection on hydraulic and pneumatic cylinders. Each sensor mounts into the standard in-port cylinder position sensor bolt pattern. Special spacers are available to alter the probe length for specific applications.

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Presence Sensing Brochure Inductive Proximity Sensors Technical Data
871D Hydraulic Positioning
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Overview

  • Stainless steel probe with ceramic face
  • Withstands pressures up to 3000 psi
  • Six industry standard probe lengths from 26...115.9 mm (1.025...4.560 in.)
  • Low profile housing can be rotated 304° without breaking pressure seal
  • Shielded construction
  • Weld field immune
  • 3-wire DC and 2-wire AC/DC versions with either mini- or micro-style connectors
  • Short circuit, overload, transient noise, false pulse, and reverse polarity protection
  • Applications include:
    • Material handling
    • Packaging
    • Food processing
    • Transportation
    • End-of-stroke sensing of pneumatic and hydraulic cylinders

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Specifications

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Inductive Proximity Sensors Technical Data

Certifications

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  • CE Marked for all applicable directives
  • c-UL-us Listed
  • UL Listed

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details. 

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Documentation

Resource Publication Number Language
Presence Sensing Brochure SENSOR-BR001
Inductive Proximity Sensors Technical Data PROX-TD001
English
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