Variable Frequency Drives & Digital Phase Converters


Digital Phase Converter


Three-phase power from a sinle-phase source for 30HP 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 (97%). The PT380D only consumes 400 Watts of power when in standby mode, weighs 180 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, CNC, HVAC, Elevators, Winery, Machine Shops, Wood Working, Irrigation, Oil and Gas, Polishing equipment, Grinders

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


Optional Add-Ons
  • NEMA 3R Outdoor Enclosure
  • 3-Year Extended Warranty
  • Surge Protection (SPDee S50A120V2PN)
  • Indoor Disconnect (Eaton DG323UGB)


Models: PT330D-5 PT330D PT355D PT380D PT3110D PT3160D
General Output Specs            
Rated HP 5 HP 10 HP 20 HP 30 HP 40 HP 60 HP
KVA 7.5 KVA 14.9 KVA 26.6 KVA 39.4 KVA 53.9 KVA 78.9 KVA
Output Voltage Same as Input Voltage
Maximum Steady State Output 18A 36A 64A 95A 130A 190A
Max Overload (4 seconds) 100A 150A 280A 400A 560A 800A
Efficiency 97% Typical
Lag to Lag Balance Within 1%
General Input Specs            
Input Voltage 187 V to 260 V
Breaker Size 30 - 40A 60 - 70A 110 - 125A 175 - 200A 220 - 250A 350 - 400A
Min Wire Size 6 AWG 4 AWG 1 AWG 3/0 AWG 250 MCM 600 MCM
Stand-by Power Consumption 100 W 100 W 280 W 400 W 480 W 800 W
Dimensions & Weight            
Enclosure size (H x W x D) 20 x 17 x 13" 20 x 17 x 13" 26 x 19 x 14" 31 x 24 13" 26 x 19 x 14" 31 x 24 x 13"
Shipping Weight 75 lbs 75 lbs 115 lbs 180 lbs 260 lbs 380 lbs
Shipping Type Ground Ground Ground Freight Freight Freight

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