Allen-Bradley 42JB-R2MPB2-A2 Photoelectric Sensor

The Allen-Bradley 42JB-R2MPB2-A2 (42JB-R2MPB2-A2) is a miniature rectangular photoelectric sensor designed for reliable object detection across automated machinery, conveyor systems, and industrial packaging lines. Operating as part of the Allen-Bradley Photoswitch sensor product line, this sensor delivers non-contact optical detection to optimize part positioning, counting, presence verification, and material handling workflows. Built for high performance in demanding factory automation settings, the unit integrates precision optics within a compact and rugged industrial housing, making it well-suited for installation in space-constrained machinery and control assemblies. Engineered for dependable maintenance, repair, and operational replacements, the 42JB-R2MPB2-A2 integrates seamlessly with programmable logic controllers, distributed I/O blocks, and plant control networks. Its standard sensing architecture ensures accurate response times, repeatable switching characteristics, and stable signal delivery even in environments subject to vibration and electrical noise. The sensor supports straightforward mounting and wiring, reducing routine maintenance downtime while ensuring process consistency across manufacturing, assembly, sorting, and material transfer applications. Verify installation requirements and electrical pinout prior to commissioning to ensure optimal alignment and long-term operating reliability.