For Single Phase 208V, 230V, 265V A/C, Refrigeration & Heat Pump Compressors The only two-wire pre-assembled starting component hard start device on the market using a high-quality mechanical potential relay in a unique design. Absolutely no use of circuit boards, timers or PTCR devices.Use for single phase 208V, 230V, 265V A/C Refrigeration & Heat Pump Compressors. These 2-wire pre-assembled ...