Check the listing for details. namco proximity switch. et211-32110. # O. Condition: New – Open box. Listed at 54.38 USD. The Namco proximity switch model ET211-32110 is an inductive sensor designed for industrial automation and motion control applications. This sensor operates on DC current and features a cable termination type for easy installation. Known for its reliability and performance, Namco is a trusted brand in the field of proximity sensors, making this product a valuable addition to any automation system requiring accurate and efficient detection of objects or materials.