Square D™ Buck and Boost Transformer, Dry, 120/240 VAC Primary, 12/24 VAC Secondary, 0.75 kVA Power, 60 Hz Frequency, 1 ph, Wall Mounting, 180 deg C Insulation, NEMA 3R/IP54 Enclosure, 115 deg C, Steel Housing Material, 6.69 in H x 6.19 in W x 4.69 in D Dimensions