Phase Converters

Our high-quality power converters provide top-notch reliability and uptime to keep you working longer and make your dreams a reality. Our products are proudly manufactured in Wisconsin.

From industrial applications to home workshops and even on the go, American Rotary’s rotary three-phase converters are designed to provide continuous, balanced three-phase power for any load.

AR – Pro Phase Converter

AR General Purpose – The AR Rotary Phase Converter provides utility-grade power and is designed for light/medium duty general purpose loads.

Best for: Light to medium duty, general-purpose loads.

Floor Mount Style: Some assembly required

$628.00 – $4,150.00
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AD – Digital Phase Converter

AD Digital Smart Series – The AD Rotary Phase Converter is specifically suited for CNC, VFD, rectified and any other voltage sensitive equipment.

Best for: Any load, especially resistive, rectified and computer loads such as CNC, VFD, EDM, and battery chargers.

Floor Mount Style: Some assembly required

$810.00 – $8,299.00
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Phase Converter for Welder

American Rotary’s AD series is the perfect solution to power any three phase welder. The AD series is equipped with our solid-state microsmart controller providing balanced power for the most sensitive equipment.

$810.00 – $8,299.00
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ADX – Smart Phase Converter

ADX Extreme Duty Smart Series – The ADX Smart Series Rotary Phase Converter is designed for high inertia/friction loads. The ADX rotary phase converters have current control to provide consistent torque while starting high inertia, extremely hard starting loads, yet are precise enough for CNC applications.

Best for: High Inertia/friction loads such as pumps, fans, compressors, blowers, lathes, high RPM CNC, dust collectors and fly wheels.

Floor Mount Style: Some assembly required

**For model numbers ADX-100 and up utilize multiple units paralleled together through our Enclosed Contactors. This is to prevent back feeding and also provide phase monitoring. The price of the enclosed contactors is already included in the price for sizes ADX-100 and up.**

$910.00 – $44,232.00
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AUL – UL Smart Phase Converter

AUL UL Listed Series – UL licensed units may be required by your state or local inspector. If you require a UL licensed unit our AUL model is the right model for you delivering all the power and features of our ADX and AI units.

Floor Mount Style: Some assembly required

**For model numbers AUL-100 and up utilize multiple units paralleled together through our Enclosed Contactors. This is to prevent back feeding and also provide phase monitoring. The price of the enclosed contactors is already included in the price for sizes AUL-100 and up.**

$1,010.00 – $44,632.00
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AI – Industrial Phase Converter

AI Industrial Grade Rotary Phase Converter – The AI Industrial was designed specifically for the demands of industrial and agricultural applications. Our AI Industrial digital phase converter is designed with a Type 3R enclosure for ultimate protection.

The AI series is designed to be in extremely dirty environments or even installed outside. The AI-Industrial line is made as a full NEMA-3R enclosure with solar reflective paint. It also features a washable air filter to filter out any dust and debris from circulating through the phase converter.

Since the AI phase converter is in an all-in-one, the NEMA-3R enclosure makes for a simpler installation. You just have to run your single phase in and your three-phase out!

AI Industrial can save you thousands of dollars a year over utility and diesel generated power sources.

Lead times may exist. Please call us for further details.

**For model numbers AI-100 and up utilize multiple units paralleled together through our Enclosed Contactors. This is to prevent back feeding and also provide phase monitoring. The price of the enclosed contactors is already included in the price for sizes AI-100 and up.**

$3,899.00 – $48,932.00
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AMP – Mobile Phase Converter

AMP Mobile – The AMP Mobile rotary phase converter is plug-and-play ready for a quick and cost-effective installation. Equipped to run 208-250V equipment in three tiers:

Tier 1: 1 Breaker and 1 Receptacle
Tier 2: 2 Breakers and 2 Receptacles
Tier 3: 3 Breakers and 3 Receptacles

These built-in features allow this unit to have little to no installation costs! In addition, this unit comes built with our top of the line Digital Series features allowing you to run any voltage sensitive load types making this unit fully versatile for your needs!

The breaker(s) and receptacle(s) that come standard with each AMP unit will vary depending on HP selected:

AMP5: 10 amp three phase breaker, 20 amp receptacle
AMP10: 20 amp three phase breaker, 20 amp receptacle
AMP20: 40 amp three phase breaker, 30 amp receptacle

*If you need a different breaker or receptacle installed in your AMP please contact our office at 888-743-6832

$1,799.00 – $3,399.00
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STK Panels

Phase Converter Panel – This DIY STK Rotary Phase Converter Panel is manufactured in Wisconsin by American Rotary and can be paired with your stock motor. (Motor not included, this is the converter panel only)

*This is not a replacement panel.

A detailed installation manual and quick start guide are included.

REQUIRED: Delta wound connection, 3-phase stock motor, 60 Hz, 208-240v, recommended 1700-1750 RPM. The motor you are pairing with the STK panel must match in HP.

$290.00 – $830.00
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