Type S non-reversing magnetic NEMA motor starters are for motor control applications. This enclosure is for nonreversing 8536S NEMA motor starters Size 3. This NEMA 1 sheet steel enclosure brushed finish. Four 3/8 inch screws are used to mount this enclosure. Enclosure is 21.81 inches tall, 11.44 inches wide and 8.00 inches deep.