Disconnect Switch, Voltage 600V AC, 1 or 3 Phase, Contact Rating 80A @ 600V AC, For Use With 2YU66, 2YU69, 2YU72, 2YU74 (When Wired for 3-Phase), 2YU76, 2YU78, 3END3, 3END4, Voltage Range 120 to 600V AC, Switch Type 3 Pole, Fits kW 15 kW, 20 kW, 25 kW, 30 kW, 40 kW, 50 kW, Amperage 60 A, Frequency 60 Hz, Mounting Type Unit-Mounted, Overall Height 2 1/2 in, Overall Width 2 1/2 in, Overall Depth 2 13/16 in, Includes Relay, Standards UL Listed, CUL Listed