NAS has the following available. You can find it at www.naswgr-store.com
Cutler Hammer DG326NGK
600 amp
240 volt
3 pole
Fusible Switch
NEMA 1
120/240 volt AC 125/250 volt DC 4 wire system
Bussman Low Peak Fuses
Catalog # LPN-RK-500SP
Item is in excellent condition and only needs to be cleaned not reconditioned.