Variable Speed Drives (VSD) Wholesale is a subdivision of the Electrical Apparatus and Equipment Wiring Supplies, and Construction Materials Wholesale industry. VSDs are electronic devices that regulate the speed and torque of electric motors by varying the frequency and voltage of the power supplied to the motor. VSDs are used in a wide range of applications, including HVAC systems, pumps, conveyors, and manufacturing equipment. VSDs are an essential component in energy-efficient systems, as they can reduce energy consumption by up to 60%. Wholesale companies in the VSD industry specialize in the distribution of VSDs to other businesses, such as contractors, manufacturers, and system integrators. These companies typically carry a wide range of VSDs from various manufacturers and provide technical support and training to their customers.