industrial background

LHX

L

ow

H

armonic

V

ariable

F

requency

D

rives

A

merican

M

ade

An American-manufactured drive with capabilities for applications up to 500 HP, Phase Technologies’ LHX (Low Harmonic) variable frequency drives are the solution to your power distribution needs. Purchase as a standalone drive or customize your unit in an enclosed panel configuration using our 508A panel shop. Additionally, take advantage of extra add-on components to increase the efficiency and performance of your unit.

R

ugged

D

esign

Protect your investment with our all-steel, NEMA 3R enclosures, guaranteed to keep out the elements while allowing your drive to operate at peak performance.We also offer options in Open and NEMA 1 configurations. All our enclosures are made in-house at our metal fabrication shop, ensuring the highest quality products, proudly made in America.

perfect for all applications

Available as a stand alone drive and enclosed panel configuration

Power Conditioning for smooth power input

Easy Set Up Wizards preprogrammed in your system for quick and easy startup

IEEE-519 compliant without need for an external harmonic filter

Phase Converting and Voltage Doubling capabilities for single phase or three phase input

Common Applications

Irrigation

Livestock

Sewer Bypass

Lift Stations

Dewatering

Slurry & Tailings Removal

Wastewater Reuse

Dust & Fire Supression

Evaporation Equipment

Process Water

Constant Torque

Rotating Equipment

Conveyor Belts

Rock Crushers

Compressors

Circulating Pumps

Cooling Towers

Supply Fans

Exhaust Fans

Air Handlers

Water, Oil & Mud Transfer

Drilling Mud Recirculation

Fuel Storage Tank Booster

Downhole Pumps

common applications image

Craft Your Configured Panel

Custom Built Panels

Our LHX model variable frequency drive (VFD) featuring low harmonic technology for improved power quality, offers efficient phase conversion, enabling single-phase to three-phase power transformation, and includes voltage doubling capabilities to boost output voltage. This VFD is designed to reduce harmonic distortion, making it ideal for applications requiring enhanced energy efficiency and reliable operation in both industrial and commercial environments.

Our LHX drives are available as NEMA 1 or in an open configuration for panel builders. LHX VFD's can also be configured into one of our customizable NEMA 3R panels. No matter your need Phase Technologies has a VFD or panel that will fit your application.
click here to read more:

1LH

20-125HP, low harmonic, regenerative VFD, single-phase input, in a configurable 3R panel

click here to read more:

3LH

20-800HP, low harmonic, regenerative VFD, three-phase input, in a configurable 3R panel

Panel Shop Options
AuxPower
MCCB – Service rated
HOA Switch
Speed Pot
Run & Fault Light
Output Filter
Power Supply
Surge Protection
Protec
Strikesorb
Leg Kit

10-DAY

nomenclature
nomenclature

product overview

LHX models
Invalid Product Line: undefined
ModelHorsepowerInput VoltageOutput VoltageRated Input CurrentRated Output Current Configure
1LHX005523023026 A18 A
1LHX0077.523023037 A25 A
1LHX0101023023048 A31 A
1LHX0151523023072 A46 A
1LHX0202023023097 A62 A
1LHX205523046026 A9 A
1LHX2077.523046037 A13 A
1LHX2101023046050 A18 A
1LHX2151523046067 A25 A
1LHX2202023046097 A31 A
1LHX23030230460139 A46 A
1LHX24040230460196 A61 A
1LHX25050230460226 A77 A
1LHX26060230460282 A91 A
1LHX405546046013 A9 A
1LHX4077.546046019 A13 A
1LHX4101046046026 A18 A
1LHX4151546046036 A25 A
1LHX4202046046048 A31 A
1LHX4252546046060 A38 A
1LHX4303046046072 A46 A
1LHX4404046046098 A61 A
1LHX45050460460121 A77 A
1LHX46060460460143 A91 A
1LHX47575460460170 A107 A
1LHX4100100460460226 A142 A
1LHX4125125460460273 A172 A
1LHX4150150460460315 A198 A
Invalid Product Line: undefined
ModelHorsepowerInput VoltageOutput VoltageRated Input CurrentRated Output Current Configure
3LHX005523023018 A18 A
3LHX0077.523023025 A25 A
3LHX0101023023031 A31 A
3LHX0151523023046 A46 A
3LHX0202023023061 A61 A
3LHX0252523023075 A75 A
3LHX0303023023091 A91 A
3LHX205523046018 A9 A
3LHX2077.523046025 A13 A
3LHX2101023046030 A18 A
3LHX2151523046046 A25 A
3LHX2202023046060 A31 A
3LHX2303023046091 A46 A
3LHX24040230460121 A61 A
3LHX25050230460154 A77 A
3LHX26060230460182 A91 A
3LHX27575230460214 A107 A
3LHX40554604609 A9 A
3LHX4077.546046013 A13 A
3LHX4101046046018 A18 A
3LHX4151546046025 A25 A
3LHX4202046046031 A31 A
3LHX4252546046038 A38 A
3LHX4303046046046 A46 A
3LHX4404046046061 A61 A
3LHX4505046046077 A77 A
3LHX4606046046091 A91 A
3LHX47575460460107 A107 A
3LHX4100100460460142 A142 A
3LHX4125125460460172 A172 A
3LHX4150150460460198 A198 A
3LHX4200200460460250 A250 A
3LHX4250250460460304 A304 A
3LHX4300300460460362 A362 A
LHX documents
Technical Specifications

Input Power

Input Phase

Single-Phase or Three-Phase

Input Voltage

230 V | 460 V

Input Voltage Range

190 V — 264 V | 440 V — 520 V

Input Frequency

50/60 Hz

Output Power

Output Phase

Three-Phase

Nominal Output Voltage

230 V | 460 V

Output Voltage Range

100 V – 270 V | 200 V — 530 V

Output Frequency

5 Hz – 120 Hz

Horsepower

5 HP - 500 HP

Output Power

1.5 - 409 kW

Switching Frequency

2 kHz – 5 kHz

Output

V/f control Torque Control (Optional)

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