Variable Frequency Drives & Digital Phase Converters


Phase-Converting Variable Frequency Drive


Designed specifically for pumping applications. Phase-converting VFD for a single 5HP motor load.

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Phase Technologies has designed a simple, phase converting solution for residential and light commercial constant pressure installations (2-10hp). The SD product line offers simple setup, rugged hardware, 3R cabinets, and a top of the line oil-filled pressure transducer standard with every package.

Return trips are expensive and can many times lead to a poor customer image of the installation. Phase Technologies has produced a product line specifically to solve this problem, the SD series. With pricing that even the most budget-minded customer will appreciate and 3-year warranty. The SD series is the best choice for small constant pressure applications.

Demand-driven constant pressure for home wells is now inexpensive, reliable, and luxury available to all homeowners thanks to Perfect Pressure, standard with all SD and 2XD systems. Perfect Pressure only requires a few minutes of setup time and is capable of controlling the most complicated plumbing systems with ease. With constant pressure, plumbing systems run smoothly with fewer instances of short cycling.

Target Market

Industries served, Wells Pumps, Irrigation Pumps, Motor Control

Standard Features
  • NEMA 3R Enclosure w/Insect Guards
  • Easy Perfect Pressure™ Setup
  • 2-Year Warranty
  • 122° F (50° C) Rated
  • Easy Field Serviceability
  • Includes 0 - 150 psi transducer


Optional Add-Ons
  • HOA & Speed Potentiometer
  • Surge Protection (SPDee S50A120V2PN)


Models: SD002R SD003R SD005R SDE007R SDE010R
General Power Specs          
Rated HP 2 HP 3 HP 5 HP 7.5 HP 10 HP
Rated Input Current 20A 30A 42A 58A 69A
Input Voltage 240V, single-phase
Rated Output Current 8A 10A 18A 27A 33A
Output Voltage 240V, three-phase
Other Specs          
Recommended Breaker Size 25A 40A 50A 70A 90A
Min Wire Size N/A N/A N/A N/A N/A
Enclosure size (H x W x D) 28 x 22 x 15" 28 x 22 x 15" 28 x 22 x 15" 28 x 22 x 15" 28 x 25 x 17"
Shipping Weight 15 lbs 16 lbs 17 lbs 17 lbs 19 lbs
Shipping Type Ground Ground Ground Ground Ground

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