Contactor, Definite Purpose, 3P, 50A, 104 -120VAC Coil, 600VAC50 Amp, 3 Pole, Definite Purpose Contactor, 600V Rated, Lug Terminals, 120V AC Coil. Series: C1. Definite purpose contactors and starters are electrically operated switching devices specifically designed for the heating, ventilation, air conditioning and refrigeration (HVAC) industry. They are subjected to stringent quality assurance inspections and testing procedures. Suitable for low duty cycle applications requiring low cost switching of single and