Square D is a subsidiary of Schneider Electric, a manufacturer of electrical equipment including motor controls. They manufacture a variety of motor controllers and accessories including combination staters and pump panels, NEMA contactors and starters, IEC contactors and overload relays, definite purpose contactors and starters, manual starters, protectors and switches, AC variable torque drives, AC constant torque drives, AC soft starts, motor control centers, and safety switches. If you don't see or you don't know what you're looking for, relax. We got you covered. Call us up and be confidant that when you buy from LiveWire, we'll get you what you need.