Sprint 340 Non-isolated DC Drive. The Sprint Electric 340 DC Drive makes upgrading your existing control panel easier. Save space in new DC single direction motor control systems. The ultra compact DIN rail mounting package lets you install quickly. You can use this versatile 340 DC Controller for permanent magnet, shunt wound motors or universal motors. Sprint 340 controller for DC motors rated up to 3.4A (0.55kW). Easy to access drive adjustments. Picture from stock for reference only. Electrical wholesale supplies and specialist components. Northern Electrical Wholesale has now been trading for over 20 years and has recently moved to a new premises. The new purpose built trade counter and warehouse is located on Oxford Street in Hull city centre. We have large stocks of everyday wholesale supplies, electric motors, fans, pumps, and control components. Our staff come from an electrical background and can offer extensive advice and help.