The Supco RCO810 3 N' 1 Start Hard Start Kit is designed to provide reliable compressor starting performance in compatible refrigeration and air conditioning systems. Rated for 120 volts and 4.05 amps, this kit supports compressors ranging from 1/12 to 1/5 horsepower. Featuring a 145 to 175 microfarad start capacitor range, it combines a relay, overload, and start capacitor into a single compact unit for simplified installation. This hard start kit is ideal for service replacements, helping restore proper compressor startup and improve system reliability. Suitable for residential refrigeration and HVAC applications, the RCO810 offers a convenient solution for maintenance and repair needs when installed according to manufacturer guidelines.