industrial background

LHX

Low Harmonic

Variable Frequency Drives

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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.

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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.

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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 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

product

Craft Your Configured Panel

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.

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LH

Phase Technologies Low Harmonic Series

1LH

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

3LH

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

Panel Shop Options

AuxPower

MCCB - Service Rated

HOA & Speed Pot

Run & Fault Light

Output Filters

Surge Protection

Leg Kit

12-DAY

Image
nomenclature

1

LHX

2

25

R

input type

1

= single phase

3

= three phase

Low Harmonic VFD's Only
vfd series

DXL, DX, SDX, 2XD

= Standard

LHX, 1LH, 3LH

= Low Harmonic

ES, SD

= Small

voltage

0

= 208V - 230V

2

= Voltage Doubling

4

= 460V

horse power
Enclosure Type

blank

= NEMA Type 1

R

= NEMA Type 3R

product overview

LHX models

1LHX

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

3LHX

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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