The ClimateMaster 13B0045N05 Soft Starter is a genuine HVAC control designed for 208–230V, 50/60Hz compressor applications. It gradually increases voltage to the compressor motor during startup, reducing inrush current and minimizing electrical and mechanical stress. Designed for ClimateMaster geothermal heat pump systems, this soft start kit helps support smoother compressor operatio... https://www.partshnc.com/climate-master-13b0045n05-soft-starter-208-230v-50-60hz