Speed Control, Switch Type Dial, Contact Form SPST, Input Voltage 277V AC, Maximum Input Current 10 A, Number of Switches or Dials 3, Plate Material Aluminum, Reversible Reversible, Temperature Sensor Temperature Sensor Included, Maximum Temperature Setting Not Applicable, Minimum Temperature Setting Not Applicable, Plate Color Silver, Switch Color Silver, Overall Height 2 5/8 in, Overall Width 1 3/4 in, Overall Depth 1 3/8 in, Includes Adjustment Knob, Cover Plate