20 HP Rotary Phase Converter - GP20PL Single Phase to Three Phase
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20 HP Rotary Phase Converter - GP20PL Single Phase to Three Phase

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Idler Motor will arrive by freight truck, the panel will arrive by FedEx

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Phoenix Phase Converters Product Specifications
GP20NL - 20 HP Rotary Phase Converter without Push Button Controls 230V Input/Output
GP20ASL - 20 HP Rotary Phase Converter with AutoStart and AutoOff and load detection 
230V Input/Output
GP-20-NL-LH - 20 HP Rotary Phase Converter without Controls INPUT 230V, OUTPUT 460V
GP-20-PL-LH- 20 HP Rotary Phase Converter with Controls INPUT 230V, OUTPUT 460V

  • Wireless Remotes
  • Start and Stop Button with built-in Contactor
  • Programmable Timer ON/OFF
  • Load Detection OFF
  • Load Detection Auto Start and OFF
  • AutoLink Box to Transformer
  • AutoLink Box to Pair to another Phase Converter
  • Wifi or Cloud-Based Energy Phase Meter Includes Timer, Cloud-Base ON/OFF, Voltage Meter, KW per hour, and Cost

Standard Features:
  • TEFC - Totally Enclosed Fan Cooled Generator and Cast Iron Generator
  • NEMA 4 Panel Enclosure with Locking Hinged Door
  • Voltage Meter Display
  • Precision Balanced Voltage
This GP20PL has the Start and Stop Button with a built-in contactor.

The start and stop button on the 20 HP rotary phase converter - GP20PL is a convenient way to turn the system on and off. If you ever lose power, your phase converter and your equipment will stay in the off position when the power is restored for safety. 

Custom Design
We can custom design to fit your application, just ask our Tech Support team.


12 Warehouses

We have 12 warehouses across the USA, so you can get it FAST! Phoenix Phase Converters can get your phase converter from one of our warehouses to your door, residential or business address as fast as Next Day in most cases!


Our Customers Come Back

We guarantee here at Phoenix Phase Converters, you will always talk to a highly experience sales and tech support customer care, we are always available, and can answer any questions for you any time of the day or week.


Highest Standards

Two generations of hands-on experience. Oversized components, Cast Iron Frames, Totaly Enclosed Fan Cooled idler/generators. Built from years of customer real-world experiences, to last a lifetime of a maintence free Phase Converter.

Our Highly Reliable Motors

At Phoenix Phase Converters we use the best components that last a lifetime. The 20 HP rotary phase converter - GP20PL single phase to three phase system features a totally enclosed fan cooled and cast iron frame motor. The system is sealed from the outside environment and is made to be used in a metal shop, woodshop, outdoors, and in cold or hot weather. Watch this video to learn more. 

Not many people know the equipment they might need in the future, not to worry, you can always change the size of the phase converter by adding to it. For example, you can add a 20 HP to a 40 HP and change the size of the converter to 60 HP. Grow while your business grows. The customer demonstrates how he connected two 40 HP Rotary Phase Converters using our AutoLink Box, this is with our last generation phase converters, click on the video below to watch.

Nema 4R Enclosure

Carbon Steel Electrical Enclosure Ip65 Wall Mount Phase Converter panel. Sturdy Construction, reinforced Lock and Hinge, Waterproof Sealing Strip, Convenient Installation.  The phase converter panel is designed to use in any harsh environments, indoor or outdoor applications to protect circuits from liquid and corrosion, dust, and debris. 

Specially Designed Terminal Block for easy and secure connections, oversized for any applications.

The 20 HP rotary phase converter - GP20PL is equipped with a galvanized backplate, proprietary patent-pending capacitor holder, and wire management system. The system features easy connections and oversized components to last a lifetime.

The standard voltage meter display on the 20 HP rotary phase converter - GP20PL is designed to make it easy to monitor your generated phase. The system includes an optional start and stop button with a built-in contactor, a convenient way to turn the phase converter on and aff without the use of a disconnect.

  • Model: SPT
  • Color: Gray (RAL7032)
  • Material: 0.059''/1.5 mm Carbon Steel
  • Coating: Epoxy Polyester Powder Coating
  • Mounting Plate: 0.079''/2 mm Detachable Galvanized Back Plate
  • IP Rating: IP65
  • Connection Type: Hinged
  • Feature: Lockable, Waterproof
  • Dimension(W x H x D): 24 x 16 x 10''/600 x 400 x 250 mm


  • Rated for any environment, indoor/outdoor.
  • Designed to work for voltage-sensitive equipment.
  • INPUT: 208-250V - 50/60 hz Single Phase
  • OUTPUT 208-250V - 50/60 hz Three Phase
  • Download the manual for, Dimensions, Size, Weight, Spec Sheet, and Wiring Diagram
  • Voltage meter display

This unit includes a Start and Stop Button with a Built-in Contactor

GP20ASL - Includes Manual Start and Stop Button also AutoStart and AutoOff with load detection. (turn on and off by its self.)
More Information
Add Push Button, Mag Starter & VoltmeterYes
Generator EnclosureTEFC
Max Circuit Breaker100
Minimum Wire Size4
Max, Fuse Size100
Min. Fuse Size40
Minimum Wire to Generator6
Output Amperage54
Minimum Service Required25 KVA
Voltage Output230
Voltage Balance+/- 2%
Minimum Wire to LoadBased On Load
Max Resistive Amps28
Generator Frame256T
Frequency (Hz)50/60
Product QuoteNo
SEO Name20 HP Rotary Phase Converter - Single to Three Phase Converter
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