Heavy duty non-fusible switch. 800 A, 600 VAC, 3-pole. 3-wire system. NEMA type-1 (indoor) enclosure. (6) 1/0 to 250 or (3) 2 to 600 KCMIL (copper/aluminium) wire range. Designed for commercial and industrial applications where safety, high performance and continuity of service are essential. Listed to UL standard 98 enclosed and dead front switches. Suitable for use as service equipment when installed in accordance with the National Electrical Code. Quick-make, quick-break mechanism. 60/75°C conductor rating. Full cover interlocks.