PTC Start Assist Fractional Solid State Relay, 1/8 HP Refrigeration Compressors, 110V (rated to 120V), 5 to 20A, 4 Pins/Terminals. Assists compressor during start up, thus prolonging the life of the compressor. Made by Smart Electric USA Corp. Part No. SEE 1/8-4

Fractional relay QPTC model whose advantages include allowing a strong current flow through the start winding of the motor during the initial start. All models are universal starting relays composed of thermoplastic compound, ideal for hermetic compressors, refrigerators, and freezers, offer an estimated mechanical life of 100,000 cycles, and are rated up to 120 VAC.