Magnetic motors starters are perfect for applications where you need the motor to be started automatically. Three phase 230 volt and/or 460 volt NEMA one enclosures. Quiet operation incorporates a cushioned insulated coil that dramatically reduces the vibration and noise, resulting in the quietest contactor on the market. Class F coil is standard and protects against high heat damage and extends coil life. Meets ARI-88, UL, CSA and all Major OEM Specifications.