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. This oversized enclosure is for 8502S and 8536S size 00, 0 and 1 devices and is NEMA 1 rated. This NEMA 1 sheet steel enclosure is painted grey. Knockouts in the cover of this enclosure provide for field addition of Class 9999 rectangular cover mounted control units. This enclosure comes standard with a 9999SF4 fuse block. Enclosure requires a separate reset closing plate, 9999SG2, when used for 8502S contactors to replace the reset mechanism. A 9991S1 adapter bracket is required for mounting a 9070T100 or 9070T150 transformer in this enclosure. Enclosure is 15.88 inches tall, 6.34 inches wide and 5.19 inches deep.