dc directional for sale, brand-new and used.

Here we have an unused Graham Vari Speed R400 Speed & Torque Controller For 1/4 To 2 HP DC Motors. This unit is unused in box with operation manual and guaranteed for a full 60 days! Shipping is $14 in USA or actual costs worldwide, Thank you The Vari Speed® R400 is a full-wave DC regenerative control that provides high performance four quadrant speed and torque control.