Square D H363AWK Heavy Duty Safety Switch • Authentic Square D H363AWK Safety Switch• Short Circuit Current Rating: 10kA (Class H or K) - 200kA (Class R or J)• Mounting Type: Surface• Type of Duty: Heavy Duty• Number of Poles: 3-Pole• Maximum Voltage Rating: 600V• Terminal Type: Lugs• Wire Size: #12 to #1/0 AWG(Al) or #14 to #1/0 AWG(Cu)• Action: Single Throw• Ampere Rating: 100A• Approvals: UL Listed• Enclosure Type: Rainproof Sleet/Ice proof and Dust tight (Indoor/Outdoor)• Electrical Interlock: None• Enclosure Rating: NEMA 3R/12• Disconnect Type: Fusible• Factory Installed Neutral: No• Enclosure Material: Galvannealed Steel• Heavy Duty Safety Switches are needed when maximum performance and continuity of service is essential for commercial and industrial applications. Equipped with fuses they can provide over-current and short-circuit protection.