Safety Switch Fusible For Use With Class H J R T Fuse Heavy Duty 100 Amps AC Voltage 600VAC 3 Phase 60 HP @ 600VAC HP 12 NEMA Enclosure Type 52 IP Rating Metallic / Non-Metallic Metallic Material of Construction Steel Number of Wires 3 Number of Poles 3 Contact Form 3PST Height 23.2 In. Width 10.7 In. Depth 7.1 In. Standards UL Listed Fuse Kit (Class R) Mfr No RFK10