s 3-Phase VFD for irrigation applications | Variable Frequency Drives and Digital Phase Converters | Phase Technologies
DX Series

DX Series VFDs were designed with film bus capacitor technology to reduce maintenance time and costs, reduce risk of failure and improve lifetime. Utilizing the latest advances in power electronic and capacitor technology, along with Phase Technologies revolutionary ducted cooling design, make these VFDs the best choice for motor control applications.

DX-series drives were designed specifically for the water well industry and provide features not found anywhere else. Configure a DX for your application with our product builder.

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1LH VFD Family

Superior Heat Rejection

Our innovative cooling design utilizes outside air in a compartment segregates from any sensitive electronics. This design eliminates the risk of contaminated air entering the electronics areas and ultimately prolongs the life and improves the efficiency of internal components.

Phase Technologies heat rejecting chassis design

DX Model Comparison

Standard Features

DXE Enterprise Chassis
Up to 50 Horsepower
DXS Signature Chassis
Up to 200 Horsepower
DX Performance Chassis
Up to 600 Horsepower
NEMA 3R Outdoor Enclosure

Large display, readable in direct sunlight

50°C (122°F) Rated
Ready to be exterior mounted, even in harsh climates

Up to 50 Horsepower

Up to 200 Horsepower

Up to 600 Horsepower

Optional Features

DXE Enterprise Chassis
Up to 50 Horsepower
DXS Signature Chassis
Up to 200 Horsepower
DX Performance Chassis
Up to 600 Horsepower
Voltage Doubling

Panel Shop: Service Disconnect
Make maintenance easy and meet code without an external disconnect

Panel Shop: HOA Switch and/or Speed Pot

Panel Shop: Run and Fault Indicator Lights

Panel Shop: dV/dT Output Filter
Protect your motor, especially in long lead installs

Panel Shop: Sine Wave Output Filter
Protect your motor, especially in extra long lead installs

Panel Shop: Protec Surge Protection
Single-hit MOV type, available as an option

Panel Shop: Strikesorb Surge Protection
Multiple-hit protection, the best available

Panel Shop: Pad Mount Leg Kit
Mount the VFD to a concrete pad

See the DX Enterprise See the DX Signature & Performance

Our product builder will help you build and price a VFD for your application based on the horsepower of your pump.

Product Builder

Not sure? Contact our sales department and let us help you select the right variable frequency drive for your application.

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Easy Setup

Perfect Pressureā„¢ only requires a few minutes of setup time and is capable of controlling complicated constant pressure plumbing systems with ease and fewer instances of short cycling.

Read more about Perfect Pressure


Custom is usually associated with greatly increased cost and lead times, but not at Phase Technologies, custom is what we do. Learn how our UL 508A panel shop can help you stay on time and on budget.

Read about Phase UL 508A Panel Shop