Dependable cooling equipment relays from Grainger help to ensure air conditioning and refrigeration equipment starts and runs smoothly. Provide additional starting torque for residential and commercial AC units, heat pumps, refrigerators and freezers with start assist kits. Help protect single-phase and 3-phase motors from voltage faults with line voltage monitors. Time delay relays let you control the timing of equipment starts and stops. Shop today at Grainger and find the cooling equipment relays that fit your application!