Technical Support
Industrial Grade Rotary Phase Converter
$645.15 – $33,827.06Phoenix Phase Converters build industrial rotary phase converters from 2 HP to 200 HP — converting single-phase power to true three-phase for CNC machines, pumps, compressors, and any industrial equipment....
3 HP Rotary Phase Converter - GP3NL
$749.00The GP3NL rotary phase converter converts single-phase 230V power to three-phase 230V — giving you 3 HP of continuous capacity to run small shop equipment. Ideal for home workshops and...
5 HP Rotary Phase Converter - GP5NL Single Phase to Three Phase Converter
$985.00The GP5NL rotary phase converter converts single-phase 230V power to three-phase 230V — giving you 5 HP of continuous capacity to power your shop equipment. Built for small machine shops...
7.5 HP Rotary Phase Converter - GP7NL Single Phase to Three Phase Converter
$1,590.00The GP7NL rotary phase converter converts single-phase 230V power to three-phase 230V — giving you 7.5 HP of continuous capacity to run your shop equipment. Built for small machine shops...
10 HP Rotary Phase Converter - GP10NL - Single Phase to Three Phase
$1,955.00The GP10NL rotary phase converter converts single-phase 230V power to three-phase 230V — giving you 10 HP of continuous capacity to run serious industrial equipment. Built for shops and facilities...
15 HP Rotary Phase Converter - GP15NL Single Phase to Three Phase
$2,543.00The GP15NL rotary phase converter converts single-phase 230V power to three-phase 230V — giving you 15 HP of continuous capacity to run serious industrial equipment. Built for shops and facilities...
20 HP Rotary Phase Converter - GP20NL Single Phase to Three Phase
$2,663.00The GP20NL rotary phase converter converts single-phase 230V power to three-phase 230V — giving you 20 HP of continuous capacity to run serious industrial equipment. Built for shops and facilities...
10/20 HP ROTARY PHASE CONVERTER - GP10/20NL Auto-Zoned Power Rotary Phase Converter
$3,240.00The GP10/20NL Auto-Zoned rotary phase converter delivers dual-capacity three-phase power — 10 HP and 20 HP — from your single-phase 230V service. The intelligent auto-zoning system detects your load and...
25 HP Rotary Phase Converter - GP25NL Single Phase to Three Phase Converter
$3,709.00The GP25NL rotary phase converter converts single-phase 230V power to three-phase 230V — giving you 25 HP of continuous capacity to run serious industrial equipment. Built for shops and facilities...
30 HP Rotary Phase Converter - GP30NL Single Phase to Three Phase Converter
$4,480.00The GP30NL rotary phase converter converts single-phase 230V power to three-phase 230V — giving you 30 HP of continuous capacity to run serious industrial equipment. Built for shops and facilities...
40 HP Rotary Phase Converter - GP40NL - Single Phase to Three Phase Converter
$4,820.00The GP40NL rotary phase converter converts single-phase 230V power to three-phase 230V — giving you 40 HP of continuous capacity to run heavy industrial equipment. Built for machine shops, farms,...
15/30 HP ROTARY PHASE CONVERTER - GP15/30NL Auto-Zoned Power Rotary Phase Converter
$5,230.00The GP15/30NL Auto-Zoned rotary phase converter delivers dual-capacity three-phase power — 15 HP and 30 HP — from your single-phase 230V service. The intelligent auto-zoning system detects your load and...
How to Choose a 230V Single-Phase to 3-Phase Converter
Selecting the right 230V single-phase to 3-phase converter is crucial for optimal performance. Here's how to make the best choice:
1.
Determine the Power Requirements: Calculate the combined horsepower (HP) of all your three-phase equipment. Rotary converters are sized by HP, so choose one with an HP rating that meets or exceeds your equipment's total power needs.
2.
Check Voltage Compatibility: Verify both the input and output voltage requirements. Ensure the converter's input is compatible with standard 230V single-phase power, and that the output voltage matches your three-phase equipment's specifications.
3.
Consider Operational Demands: Ensure the converter can handle the specific demands of your operations, including starting and running loads.
For tailored guidance and to explore how our rotary phase converters can enhance your productivity, contact Phoenix Phase Converters at 866-418-9060. We’ll help you navigate the selection process and choose the right converter for your needs.
How Does a 230V Single-Phase to 3-Phase Converter Work?
Transforming a single-phase utility line into three-phase electricity is made possible through a rotary-phase converter. However, many individuals need a comprehensive understanding of how this converter operates.
A 230V single-phase to 3-phase converter functions by converting single-phase electrical power into three-phase power. This process involves using either a motor-generator set or electronic circuitry to generate the additional phases necessary for a three-phase power supply. By adjusting voltage and frequency, the converter aligns the electrical output with the requirements of the connected equipment, ensuring efficient operation on three-phase power.
In areas where three-phase power infrastructure is unavailable or cost-prohibitive to install, rotary-phase converters provide a practical solution. By efficiently converting single-phase electricity into three-phase power, this 230V single-phase to 3-phase converters ensure that industrial equipment can function smoothly and reliably, regardless of the limitations posed by the available power supply.
At Phoenix Phase Converters, we offer a diverse selection of phase converters engineered for various applications. Additionally, our inventory includes transformers, contactors, and parts to fulfill your specific requirements.
📄 NL Series Master Datasheet
Complete specs, wiring diagrams, and installation details for all NL models.
Frequently Asked Questions
What size 230V phase converter do I need?
Match the converter's rated HP to the largest motor you'll start. For a single 5 HP machine, a 10 HP converter is typical (2× rule for hard-starting loads). Running multiple motors simultaneously? Size to the largest motor plus 50% of the others. Use our sizing calculator for a precise recommendation.
Will a 230V single-phase converter run 240V three-phase equipment?
Yes. 230V three-phase output is compatible with equipment labeled 220V, 230V, or 240V — NEMA tolerance is ±10%. If your equipment is labeled 460V or 480V, you'll need a 460V converter or a step-up transformer.
How much amperage do I need from the utility?
Roughly 4–5 amps of single-phase 230V input per HP of converter capacity. A 10 HP converter typically needs a 50A single-phase breaker; 20 HP needs around 100A. See the spec sheet on each product page for exact nameplate values.
Can I run a CNC machine or VFD on a 230V rotary phase converter?
Yes. The NL series delivers precision-balanced three-phase suitable for CNC controls, servo drives, and VFDs. For sensitive electronics, size one tier larger than the motor HP and contact our technical support team before purchase.
What's the difference between a rotary, static, and digital phase converter?
Rotary — true balanced three-phase via a rotating idler motor. Best for full-load continuous duty, CNCs, and multiple machines. Static — assists motor starting only; reduces motor to ~67% rated HP. Digital/VFD — solid-state, quieter, but limited HP range and higher cost. See our full comparison.
Are these converters made in the USA?
Yes. Every Phoenix Phase Converter is designed, assembled, and tested at our Phoenix, AZ facility. Generators are American-made cast iron TEFC units. Lifetime warranty on the generator, 3-year on electrical components.
How long does shipping take?
In-stock NL-series converters typically ship within 1–2 business days. LTL freight transit is 3–7 business days depending on destination. Free curbside freight to commercial addresses in the continental US. Liftgate available at checkout.
Do I need a special outlet or plug?
No — most converters hard-wire directly into a 230V single-phase breaker. Smaller units (5–10 HP) can use a NEMA L6-30 or 6-50 plug if you prefer flexibility. Wiring diagrams included with every unit.
Talk to a Phase Converter Engineer
📞 (800) 417-6568Free sizing help • Lifetime warranty • Made in USA • Mon–Fri 7AM–5PM MST