The Siemens 5TG7921 is a rocker switch designed with a single rocker and a mid-position feature, providing convenient control within electrical systems. It measures 65 by 65 millimeters and features a silver finish, fitting seamlessly into various setups. With an IP20 rating, this switch offers protection against solid objects but is intended for indoor use. This model, available through BSP Automation, supports reliable operation and is well-suited for industrial automation applications requiring straightforward, durable switching components.