Square D™ Buck and Boost Transformer, Dry, 120/240 VAC Primary, 16/32 VAC Secondary, 1 kVA Power, 60 Hz Frequency, 1 ph, Wall Mounting, 180 deg C Insulation, NEMA 3R/IP54 Enclosure, 115 deg C, Steel Housing Material, 8.13 in H x 6.94 in W x 5.31 in D Dimensions