Features: Designed for lower weight and smaller size for easier handling and installation, Large connection compartment for ease of wiring and installation, Quiet operation for installation flexibility, Hassle-free front cover installation, Taps provided on primary to compensate for voltage variations, High Quality Electrical Steel Core, 150 ° C Rising Temperature, 220 ° C Insulation Class, Application: Indoor, Outdoor, Lighting, Industrial and Commercial Application, Standard: NEMA, ANSI, UL, CUL, CSA, ETL, KVA Rating: 30KVA, Primary Voltage: 480 DeltaV, Secondary Voltage: 240 Delta/120V, Frequency Rating: 60HZ, Phase: 3PH, Number Of Taps: + (2) 2.5 PCT X - (4) 2.5 PCT, Winding: Aluminum, Mounting: Floor, Enclosure: NEMA 1, Length: 22.00IN, Width: 17.00IN, Height: 25.00IN, Specification: Cores of high quality electrical steel, Meets Federally Mandated NEMA TP-1 Standard for energy efficiency, NEMA 1-rated enclosures standard, Electrostatic shields optional, 60 Hz operation, Aluminum or copper windings, Taps provided on primary, 220 ° C insulation class standard, 150 ° C, 115 ° C, and 80 ° C temperature rise, Heat-cured ASA-61 grey powder coat finish