Safety Switch Fusible For Use With Class H Fuse Heavy Duty 30 A Amps AC Voltage 600V AC/250V DC Three Phase 15 hp @ 480V AC HP 3R NEMA Enclosure Type 14 IP Rating Metallic / Non-Metallic Metallic Material of Construction Galvanized Steel Number of Wires 3 Number of Poles 3 Contact Form 3PST Height 15.9 in Width 8.1 in Depth 10 in Standards NEMA KS-1 UL Listed UL98