Speed Control, Switch Type Dial, Contact Form SPST, Input Voltage 277V AC, Maximum Input Current 5 A, Number of Switches or Dials 1, Plate Material Steel, Reversible Not Applicable, Temperature Sensor Temperature Sensor Not Included, Maximum Temperature Setting Not Applicable, Minimum Temperature Setting Not Applicable, Plate Color Silver, Switch Color Black, Overall Height 1 1/8 in, Overall Width 2 3/8 in, Overall Depth 4 1/4 in, Compatible with Series Not Applicable, Primary Voltage 277V AC