ALLEN BRADLEY 871C-A2N12-N3 PROXIMITY SENSOR 40 250VAC, 5 250MA, 2MM

Description:

The Allen-Bradley 871C-A2N12-N3 Proximity Sensor is a miniature inductive proximity switch used in industrial metal detection and positioning systems. Commonly installed in conveyor systems, packaging machinery, and automated assembly equipment. 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-A2N12-N3 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 compact sensor size and precise detection are required for maintaining operational efficiency and system reliability. Its small barrel design makes it ideal for installations with limited space while still delivering consistent sensing performance.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Part Number: 871C-A2N12-N3
• Product Type: Inductive Proximity Sensor (Miniature Barrel)
• Series: 871C Series
• Sensing Distance: 2 mm
• Sensor Type: Inductive (metal detection)
• Output Type: Normally Open (NO)
• Output Configuration: 2-wire AC full featured
• Supply Voltage: 20–250 V AC
• Current Rating: 5–250 mA
• Barrel Size: 12 mm cylindrical threaded
• Connection Type: 3-pin mini quick disconnect
• Shielding: Shielded design

Common Replacements:

• Allen-Bradley 872C-M4NP12-D4 Proximity Sensor
• Allen-Bradley 872C-N8NP12-D4 Proximity Sensor
• Allen-Bradley 871TM-B5C18-N3 Proximity Sensor