The Southbend 9-3213 Unimax door switch is an electrical component associated with the door mechanism of designated commercial cooking equipment. A door switch detects the door’s position and interacts with the equipment’s control circuit according to its specific configuration. Correct identification depends on the equipment model, switch mounting style, and terminal arrangement. https://partsfe.com/switch-for-southbend-part-9-3213/1-9-3213.html