ICM RapidStart® motor starters feature patented, solid state circuitry to ensure maximum starting torque without risk of motor damage. They feature easy, 2-wire installation. Suitable for both scroll and reciprocating compressors. Select from three grades: Good - PTCR (ICM855/856), Better - Voltage Sensing (ICM850/860) and Best - Current Sensing (ICM803/805/810). All models are UL recognized.