Overview
The Allen-Bradley 872C-D5NP18-N4 inductive proximity sensor is a solid-state DC detection device designed for industrial automation, packaging, material handling, and assembly line applications. This Series C sensor combines robust construction with dependable sensing performance, delivering consistent object detection in harsh manufacturing environments. With its compact 18mm barrel form factor and standardized Micro QD connector, the 872C-D5NP18-N4 integrates easily into existing control systems and panel layouts.
Key Features
- 18mm tubular barrel design fits standard M18 mounting bushings
- 5mm sensing distance detects ferrous and non-ferrous metals reliably
- PNP (source) output with normally open configuration; 200mA maximum load current
- 3-wire DC supply: 10–30 VDC operating range accommodates wide voltage variations
- Shielded construction reduces electromagnetic interference in high-noise environments
- IP67-rated sealed body resists coolant, moisture, and dust ingress
- Micro QD (4-pin) quick-disconnect connector for fast field installation and service
- Operating frequency: 1500 Hz enables rapid response to moving targets
Technical Specifications
- Barrel Diameter: 18 mm
- Sensing Distance: 5 mm
- Supply Voltage: 10–30 VDC
- Output Configuration: PNP (source), normally open
- Load Current (max): 200 mA
- Operating Frequency: 1500 Hz
- Connection Type: Micro QD (4-pin DC)
- Body Material: Nickel-plated brass (shielded)
- Sensing Distance Range: 5 mm (±10%)
- IP Rating: IP67
- Certifications: UL, CUL, CE, CCC, RCM, C-TICK
Typical Applications
- Conveyor line part presence detection
- Automated assembly and robotic positioning
- Cylinder advance/retract confirmation
- Part counting and sorting systems
- Machine tool workpiece presence verification
- Packaging and labeling equipment
Compatibility & Replacements
Compatible With
- Allen-Bradley CompactLogix, ControlLogix, and MicroLogix PLC controllers
- Rockwell Automation Studio 5000 and legacy RSLogix platforms
- Industrial 24VDC control circuits and relay logic systems
- Panelview HMI operator interfaces via digital input modules
- Standard M18 sensor mounting brackets and enclosure panels
Replaces / Drop-In Replacement For
- Allen-Bradley 872C-D5NP18-D4 (alternate D4 connector version)
- Older Allen-Bradley WorldProx Series C inductive sensors
- Generic 18mm M18 inductive proximity sensors with 5mm range and PNP output
Works With
- Studio 5000 Logix Designer (all current versions)
- RSLogix 5000 legacy programming platforms
- EtherNet/IP networks via gateway conversion modules
- Discrete 24VDC and 10–30VDC industrial power supplies
- Shielded twisted-pair wiring (Belden 9725 or equivalent)
