Step Controller, Voltage 10V DC, 1 Phase, Contact Rating 5mA, For Use With 4TDH6, 4TDH7, 4TDH8, 4TDJ1, 4TDJ2, 4THD9, Voltage Range 0 to 10V DC, Switch Type 1 to 8 Stage, Fits kW 60 kW, 80 kW, 100 kW, Amperage 5 mA, Frequency 50 Hz, 60 Hz, Mounting Type Unit-Mounted, Overall Height 3 3/4 in, Overall Width 7 in, Overall Depth 3/8 in, Includes Fasteners, Spacers, Wire Leads with Terminals. This item has been restricted from sale in the following state (s): []