Overview
The Allen-Bradley 872C-A10N18-R3 is a WorldProx™ tubular general-purpose inductive proximity sensor designed for reliable non-contact object detection in industrial automation. This 2-wire AC model combines economical pricing with proven reliability, making it ideal for applications requiring cost-effective yet dependable sensing solutions. The 18 mm barrel form factor and compact design suit confined spaces while maintaining robust performance across demanding production environments.
Key Features
- 2-Wire AC power configuration reduces wiring complexity
- 18 mm tubular barrel with nickel-plated brass construction for corrosion resistance
- 10 mm sensing distance enables precision metal object detection
- Non-shielded design for general-purpose mounting flexibility
- Normally open output for direct integration with standard control systems
- Micro QD quick-disconnect connector for tool-free installation and replacement
Technical Specifications
- Input Voltage: 20–250 Volt AC
- Operating Frequency: 15 Hz
- Sensing Distance: 10 mm
- Output Type: Normally Open (N.O.)
- Barrel Diameter: 18 mm (Standard)
- Barrel Material: Nickel-Plated Brass
- Connection Type: AC Micro QD (Quick Disconnect)
- Mounting Style: Concise screw-thread
- Certifications: CE, CUL, KC, UL
- Target Type: Cylinder; ferrous and non-ferrous metals
Typical Applications
The 872C-A10N18-R3 is used across general-purpose automation applications including:
- Parts detection on conveyor systems and sorting equipment
- Machine presence and position sensing
- Gate and valve actuator verification
- Assembly line part confirmation and gating
- HVAC and building automation safety interlocks
Compatibility & Replacements
Compatible With
- Allen-Bradley control systems and PLCs via standard 24 VDC I/O modules
- EtherNet/IP and DeviceNet networks (when coupled with appropriate gateways)
- CompactLogix, ControlLogix, and MicroLogix platforms
- Third-party AC-input industrial controllers and safety relays
- Standard AC motor starters and contactor circuits
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The 872C-A10N18-R3 directly replaces other WorldProx™ 18 mm tubular AC models with identical barrel diameter, sensing distance, and connector type.
Works With
- RSLogix 5000 / Studio 5000 (via I/O configuration)
- Allen-Bradley Integrated Architecture controllers
- Siemens S7 and STEP 7 systems (via standard AC sensor inputs)
- Omron and Mitsubishi industrial controllers (standard AC proximity input)
- PROFIBUS and Modbus fieldbus gateways (when equipped)
