Variable Frequency Drives & Digital Phase Converters


Digital Phase Converter


Three-phase power from a single-phase source for 60HP loads.

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Phase Perfect® is a new, patented technology that supplies three-phase power from a single- phase source to power inductive, resistive and capacitive loads with distinct advantages over any existing converter technology. Utilizing the latest advances in solid state technology the Phase Perfect delivers its high quality power with remarkable efficiency (98.7%). The PT460R only consumes 220 Watts of power when in standby mode, weighs 293 lbs., and is easily installed with an included wall mount kit.

Phase Perfect® has an input stage with electronic power factor correction, producing true, near unity power factor. The input current is sinusoidal with very low harmonic content. The output signal passes through an LC filter which blocks the high frequency harmonics from entering the load, producing a sinusoidal output with no external filtering required. A digital signal processor (DSP) monitors the process to generate balanced voltages and currents and to protect the load. Its many integrated features allow customers to avoid add-on costs associated with other phase converter technologies .

Target Market

Industries served: Irrigation, HVAC, Elevators, Winery, Machine Shops, Wood Working, Oil and Gas, Polishing equipment, Grinders

Standard Features
  • NEMA 3R Enclosure
  • Digital Display
  • 1-Year Warranty


Optional Add-Ons
  • MCCB / Service Rated Disconnect (B)
  • Strikesorb® Surge Protection (S)
  • On/Off Switch (H3)


Models: PT440R PT450R PT460R PT475R PT4100
General Output Specs          
Rated HP 40 HP 50 HP 60 HP 75 HP 100 HP
KVA 50.7 KVA 64 KVA 75.7 KVA 90 KVA 118 KVA
Output Voltage Same as Input Voltage
Maximum Steady State Output 61A 77A 91A 107A 142A
Max Overload Class 4
Efficiency 98.7% Typical
Lag to Lag Balance Within 2%
General Input Specs 105A 134A 157A 185A 246A
Input Voltage 440 V to 520 V
Breaker Size 150A 175A 200A 250A 400A
Min Wire Size 1/0 AWG 2/0 AWG 3/0 AWG 250 kcmil 2x3/0
Stand-by Power Consumption 180W 190W 220W 270W 300W
Dimensions & Weight          
Enclosure size (H x W x D) 45 x 26 x 20" 45 x 26 x 20" 45 x 26 x 20" 45 x 26 x 20" 45 x 26 x 20"
Shipping Weight 282 lbs 282 lbs 293 lbs 299 lbs 320 lbs
Shipping Type Freight Freight Freight Freight Freight

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