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Allen-Bradley Hardware Product

Plastic Limit Switch Style Sensors

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Bulletin 871L and 872L Plastic Limit Switch Style Sensors are a non-contact alternative to NEMA-style limit switches. Using the same footprint as traditional limit switches, these devices provide mounting interchangeability, easily-wired terminations and rugged construction.

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Popular Resources/Quicklinks

Presence Sensing Brochure Inductive Proximity Sensors Technical Data Bulletin 871L AC/DC Limit Switch Style Inductive Proximity Sensor Installation Instructions
871L, 872L Limit Switch Style
  • Overview
  • Product Selection
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Overview

  • 17 sensing head positions (1 top, 16 side)
  • Side-sensing head can be rotated in 22.5° increments
  • Side-sensing head can be locked in any of 16 positions
  • Conduit or quick-disconnect styles
  • Short circuit, overload, transient noise, false pulse and reverse polarity protection
  • Selectable normally open or normally closed output
  • Applications include:
    • Material handling
    • Packaging
    • Food processing
    • Transportation

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Specifications

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Inductive Proximity Sensors Technical Data

Certifications

UL Listed Component Mark Canadian and United States RequirementsUL Listed Component Mark Canadian and United States Requirements
  • CE Marked for all applicable directives
  • c-UL-us 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
Bulletin 871L AC/DC Limit Switch Style Inductive Proximity Sensor Installation Instructions 871L-IN001
English
Bulletin 871L DC Limit Switch Style Inductive Proximity Sensor Installation Instructions 871L-IN002
English
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