UL Certified Manufacturing and Engineering Division

Motor Drives International (MDI) has built a reputation of quality through our quality products, expert service, and useful trainings. This reputation has earned us the opportunity to work with some of the greatest companies in every industry. MDI's custom engineering and integration of variable frequency drives (VFD) panels assures system optimization.

Turn Key Applications

Optimized performance is available through our own, in-house, UL508A certified, custom manufacturing and systems integration division, Motor Drives International (MDI). Enhanced power quality filters and protection systems are custom designed and manufactured by MDI to meet specific project requirements.

• Standard NEMA 1 force filtered intake ventilation plennum
• Door interlocked input circuit breaker disconnect
• 120V control power transformer with primary and secondary fusing
• Operator device panel with advanced key pad and heavy duty pilot lights
• Hot emboss stamped wire marking
• UL 508A tested and certified

• Bypass contractor arrangement
• VFD isolation contractor / switch
• AC & DC line reactors
• Integrated Pure Power II Harmonic Filter
• Output dv/dt filter
• Programmable logic controller (PLC) or custom system control package
• 10 or 20 year warranty TVSS package
• NEMA 3R and other enclosures & configuration options