FeaturesEncapsulated core and coilShielded for cleaner powerEncapsulated and completely enclosed design electrical grade silica and resin compounds completely enclose the core and coil to seal out all moisture and airQuiet operation with sound levels well below NEMA standardsUL type 3R enclosure for indoor or outdoor service, encapsulation eliminates corrosion and insulation deteriorationAir cooled/dry coolingElectrostatic shield for enhanced protectionFour windingsAluminum, two primary winding, two winding secondaryGround studs for use with non-metallic conduit150 A for 240 VAC, 70 A for 480 VAC primary, 300 A for 120 VAC secondary