The PANASONIC / SUNX FX-311G is a highly reliable and efficient photoelectric sensor fiber optic. It is designed to sense the presence or absence of objects by detecting the change in light intensity. The sensor operates in either Light ON or Dark ON mode, ensuring versatility to meet various application requirements. With its NPN 3-Pin configuration, this sensor offers a simple and hassle-free installation process. The FX-311G is perfect for a wide range of industrial applications, including packaging, material handling, and automotive.