Square D, 9070T100D1, Control Transformer, Series: 9070, 240/480 V AC Primary, 120 VAC Secondary, 100 VA Power, 50/60 Hz Frequency, 1 ph, Screw Clamp Connection, Panel Mounting, 105 deg C Insulation, Open Enclosure, 55 deg C, 2.89 in H x 3.38 in W x 3.34 in D Dimensions