NSI Tork Time Switch, On/Off, Series: EW Series, Operation Mode: 7 days, 120 to 277 VAC, 30 A, 2 hp, 1 Pole, 1 Channels, 1 Form C SPDT Contact Form, 7 days Time Setting, 20 On/Off Ratio, Digital LCD Display, NEMA 3R Enclosure, -40 to 149 deg F, Threaded Mounting, 5.062 in L x 3.062 in W x 8.312 in H Dimensions