Solid State Relay and Hard Start Capacitor Starter Pow-R-Pak, Increases Compressor Torque 500, For Use With:All PSC Single Phase 115V Thru 288V Air Conditioning Units From 4,000 to 120,000 BTU (1/2 to 10 HP), Power:277 VAC, 22 Amps Max, No Wiring Changes Necessary, Includes:Leads, Weight:5 Oz, Dims:6"L X 2"Dia, Made In China, Mfg/Bag.