Standard Pack = 1 piece(s). Switch Type = NonDimmer ; Switch Operation = Toggle ; Grade = Commercial ; Number of Poles = 1 ; Number of Phases = 1 ; Amperage = 20 ; Voltage = 120-277 VAC ; Width = 1.3 inch ; Height = 4 inch ; Maximum Operating Temperature = 149 deg F ; Minimum Operating Temperature = -4 deg F ;