Leroy Somer Drives Print | Email Leroy Somer Drives and Electronic Controls For optimal motor performance management, with both digital and analog options available.Soft Starters: For safe and controlled motor starting, reducing energy consumption and the risk of failures. AC drives Powerdrive MD Smart-MD3 Series AC Drives Leror Somer Powerdrive MD2 Soft starter Leroy Somer Digistart D4 Soft starter Leroy Somer Digistart D5