The Allen-Bradley 871TM-B4N12-R3 A Metal Face Inductive Sensor is a reliable and high-quality sensor designed for industrial automation and motion control applications. With a solid-state sensor type and DC current type, it offers consistent performance and accurate detection. The barrel body style and through-hole mounting type make it easy to install and compatible with a variety of systems. The single pole, single throw (SPST) contact form ensures a straightforward and efficient operation, making it a valuable addition to any automation setup.