The ALPS EC11E1530406 is a rotary switch with 15 detents, 30° indexing angle, and 6 common terminals. It is designed and manufactured by Alps, a Japanese company specializing in thick film technology, which is used in many products such as switches, encoders, and connectors. The EC11E1530406 has a long life of 10,000 cycles, and is activated by a rotational force of 5 to 100 gf.cm, making it suitable for applications requiring reliable tactile feedback. It is available in a variety of colors and types, including straight, right angle, and vertical mounting styles.