Allen Bradley 871FM-D2NP11-Y3 Proximity Sensor Switch

Description:

The Allen-Bradley 871FM-D2NP11-Y3 Proximity Sensor Switch is a miniature inductive proximity sensor used in industrial metal detection and positioning systems. Commonly installed in compact machinery, conveyor systems, and automated assembly equipment where space is limited. Maintenance teams and system integrators use this part for replacement, retrofit, and ensuring reliable non-contact detection in tight automation environments.

Applications:

The Allen-Bradley 871FM-D2NP11-Y3 Proximity Sensor is used in industrial environments for detecting metallic objects without physical contact. It is widely applied in automated production lines, packaging equipment, and precision machinery where compact sensor size and accurate detection are required for maintaining efficiency and reliable operation. Miniature inductive sensors are ideal for installations with limited mounting space while still providing stable sensing performance.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Part Number: 871FM-D2NP11-Y3
• Product Type: Miniature Inductive Proximity Sensor
• Sensor Type: Inductive (metal detection)
• Sensing Distance: 2 mm
• Output Type: PNP, Normally Open (sourcing)
• Supply Voltage: 10–30 V DC
• Housing Type: Miniature rectangular (approx. 28×16×11 mm)
• Mounting Type: Surface / flat mount
• Connection Type: Pico quick-disconnect or cable (model dependent)
• Shielding: Shielded design
• Switching Frequency: Up to ~600 Hz
• Protection Rating: Industrial grade (IP-rated, model dependent)

Common Replacements:

• Allen-Bradley 871FM-D2NP11-P3 Proximity Sensor
• Allen-Bradley 871FM-D2NP11-E2 Proximity Sensor
• Allen-Bradley 872C-M4NP12-D4 Proximity Sensor