Help keep your motors and other vital equipment running smoothly and efficiently with motor controls that meet your specific requirements. Energy-efficient IEC magnetic contactors are for power circuit switching and can provide automatic cutoff in the event of a power failure. Our selection of motor overload relays and thermal units help prevent motor damage and extend motor life, while manual motor protectors can keep equipment from overheating. Motor starters help protect your motors from damage caused by over/under voltages, and hazardous location motor switches and starters are designed for areas where there may be ignitable gases, vapors, and dusts. Choose from our selection of manual motor switches for on/off switching control of pumping machines, air compressors, heavy manufacturing equipment, and more. Shop Grainger for motor controllers that help keep your equipment running and are suitable for your specific application.