Features: Large Connection Compartment With Knockouts For Ease Of Wiring And Installation, Quiet Operation For Installation Flexibility, Slotted Mounting Holesfor Quick And Easy Mounting, Convenient Wall Mount Design With Lifting Hooks Above 5 Kva, Permanently Affixed Wiring Diagram, Applications: For All General Loads, Indoors Or Out, Including Lighting, Industrial And Commercial Applications, Units May Be Banked For 3-phase Operations, Standard: Ul, Cul, Csa, Ansi, Wattage: 25kva, Input Voltage: 240 X 480v, Output Voltage: 120/240v, Frequency Rating:60hz, Phase: 1ph, Mounting: Wall, Enclosure: NEMA 3r, Length: 16.50in, Width: 10.06in, Height: 21.12in, Specifications: Encapsulated With Electrical Grade Resin, Cores Of High Quality Electrical Steel, NEMA 3r-rated Enclosures, 50/60 Hz Operation As Noted, International Units Electrostatically Shielded, Heat-cured Asa-61 Gray Powder Coat Finish