Description:

The Allen-Bradley 871P-DW15NP40-D4 Inductive Proximity Sensor is a rectangular proximity sensor used in industrial metal detection and positioning systems. Commonly installed in welding equipment, conveyor systems, and automated manufacturing lines. Maintenance teams and system integrators use this part for replacement, retrofit, and ensuring reliable detection in harsh industrial environments.

Applications:

The Allen-Bradley 871P-DW15NP40-D4 Inductive Proximity Sensor is used in industrial environments for non-contact detection of metallic objects. It is widely applied in automated production lines, material handling systems, and welding operations where stable sensing is required despite exposure to weld fields, metal debris, and vibration. Its weld field immune design ensures consistent performance in demanding automation processes.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Part Number: 871P-DW15NP40-D4
• Product Type: Rectangular Inductive Proximity Sensor
• Series: 871P VersaCube™
• Sensing Distance: 15 mm
• Sensor Type: Inductive (metal detection)
• Output Type: PNP, Normally Open (3-wire DC)
• Connection Type: Micro quick-disconnect (DC)
• Housing Style: Rectangular / cube (40 mm head)
• Special Feature: Weld field immune construction
• Mounting Type: Non-flush mounting
• Operating Voltage: Typically 10–30 V DC (model dependent)
• Protection Rating: Industrial grade (IP-rated, model dependent)

Common Replacements:

• Allen-Bradley 872C-DH15NP30-D4
• Allen-Bradley 871TM-B15N30-A2
• Allen-Bradley 872C-M8NP18-D4