Square D™ Manual Starter, Type F Fractional Horsepower Non-Reversing Standard Single Unit, Series: 2510F, 277 VAC, 16 A, 1 hp Motor, 1 Pole, Manual Reset, 1 ph, Screw Clamp Connection, Thermal Melting Alloy Overload Relay, Toggle Control, NEMA 4 Enclosure, Die Cast Zinc Alloy, 3 in W x 4.25 in D x 4.38 in H Dimensions