Square D™ Starter, Type F Non-Reversing Single Unit, Series: 2510F, 277 VAC, 230 VDC, 16 A, 1 hp Motor, 2 Pole, Manual Reset, 1 ph, Screw Clamp, Thermal Melting Alloy Overload Relay, Toggle Control, Open, 1.69 in W x 1.59 in D x 4.12 in H