Transformer, Mounting Type Unit-Mount, Voltage 277V AC, 1 Phase, For Use With CDF Series Heaters, Includes Relay, Amperage 22 A, Fits kW All Wattages, Frequency 60 Hz, Overall HxWxD 1 7/8 in x 2 1/4 in x 1 3/10 in, Voltage Range 277V AC, Standards UL...