Intermatic Timer Switch, Electro Mechanical, Series: T100, 125 V AC, 40 A, 5 hp, 1 Pole, 1NO 1 Form A SPST Contact Form, 24 hr Time Setting, Teeter Electrical Connections, NEMA 1 Enclosure, -40 to 130 deg F, Wall Mounting, 5 in L x 3 in W x 7-3/4 in H Dimensions