Type S nonreversing magnetic contactors are used to switch heating loads, capacitors, transformers, and electric motors where overload protection is provided separately. Type S non-reversing magnetic NEMA motor starters are for motor control applications. 8903S and 8903L lighting contactors are for lighting control applications. Enclosure is designed to house the Type S NEMA Size 2 nonreversing starters and 8903LO 30 A and 8903SPO lighting contactors. This enclosure is also for 8903SP and 8903L multipole lighting contactors. This NEMA 3R sheet steel enclosure is painted grey. The enclosure has three conduit knockouts. They are 1.00 inch, 1.25 inch and 1.50 inch. Enclosure is 16.30 inches tall, 9.83 inches wide and 6.62 inches deep.