Square D Contactor
Definite Purpose Starters are electrically operated switching devices specifically designed for the heating, ventilation, air conditioning and refrigeration (HVAC) industry. They are controlled by automatic thermostat control or manual pushbutton interfaces. They are also used in applications such as elevators, pools, food processing, pumps/compressors, lighting, hoists and cranes, battery chargers, printing presses, vending machines, and agriculture.