The MC-22B-AC120V is a 3-pole contactor from the MC-Series, designed for switching electrical loads. It operates with a 120V AC coil at 50/60 Hz and features a continuous current rating of 40A. This NEMA size 1 contactor includes standard 1NO/1NC auxiliary contacts and is UL508 listed, with a maximum voltage rating of 600V AC. Key horsepower ratings include 15 HP at 480V and 20 HP at 600V for three-phase applications. With an IP20 protection rating and an operating temperature range of -5°C to +40°C, it is suitable for various industrial motor control and power switching applications.