Description:

The Allen-Bradley 871C-DE4NP12-D4 Inductive Proximity Switch Sensor is a cylindrical inductive proximity sensor used in industrial metal detection and positioning systems. Commonly installed in conveyor systems, packaging machinery, and automated assembly lines. Maintenance teams and system integrators use this part for replacement, retrofit, and ensuring reliable non-contact detection in automation systems.

Applications:

The Allen-Bradley 871C-DE4NP12-D4 Inductive Proximity Sensor is used in industrial environments for detecting metallic objects without physical contact. It is widely applied in automated production lines, material handling systems, and machinery where accurate position sensing and object detection are critical for maintaining operational efficiency and system reliability. Inductive sensors are ideal for harsh environments due to their resistance to dust, oil, and vibration.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Part Number: 871C-DE4NP12-D4
• Product Type: Inductive Proximity Switch Sensor
• Series: 871C Series
• Barrel Size: 12 mm cylindrical threaded
• Sensing Distance: 4 mm (typical for model class)
• Output Type: PNP, Normally Open (3-wire DC)
• Supply Voltage: 10–30 V DC
• Output Current: Up to 200 mA
• Connection Type: Micro quick-disconnect / cable (model dependent)
• Housing Material: Nickel-plated brass (typical)
• Mounting Type: Threaded barrel
• Protection Rating: IP67 / industrial grade

Common Replacements:

• Allen-Bradley 872C-D4NP12-D4 Proximity Sensor
• Allen-Bradley 872C-M4NP12-D4 Proximity Sensor
• Allen-Bradley 871C-DT4NP12-D4 Proximity Sensor