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Electric Motors

US Motors Logo

Since 1908, the U.S. Motors name has stood for exceptional reliability and performance of its products. Today, it has become recognized worldwide as the mark of leadership and technological innovation. US Motors offers a wide variety of motors including their market leading Vertical Hollow Shaft motors. ESR keeps a large inventory of US Motors including Vertical Hollow Shaft, close-coupled pump, cooling tower, and general purpose motors. ESR is one of US Motors' largest distributors in the Southeast.

General Purpose Motors

Series: Unimount, Hostile Duty

Description:

US Motors NEMA Premium General Purpose Motors are available in Totally Enclosed Fan Cooled and Open Drip Proof enclosures. Their Unimount series motors are constructed of either aluminum or rolled steel while their Hostile Duty motors have cast iron frames and end bells. ESR keeps various US Motors General Purpose Motors in stock.

HP: 1/4 to 200

Voltage(s): 208-230/460, 230/460, 460, 575

Enclosure(s): TEFC, ODP

Construction: Aluminum, Rolled Steel, Cast Iron

Standard Features:

  • IP54 protection
  • NEMA Premium efficient
  • Shaft slinger on pulley end
  • CE mark on nameplate
  • 50Hz and 60Hz operating data on nameplate (Unimount)
US Motors General Purpose Motor Image

Warranty: 3 Years*

Applications: Pumps, fans, compressors, conveyors, material handling, general applications

Brochures: pds206-001 (Unimount).pdf Unimount Brochure, pds224-200 (Premium Efficient).pdf Premium Efficient Motors

Severe Duty Motors

Series: Corro-Duty

Description:

US Motors Severe Duty Totally Enclosed Fan Cooled Motors meet NEMA Premium Efficiencies and are designed for severe duty environments found in the process industries. ESR keeps various US Motors Severe Duty Motors in stock.

HP: 1 to 400

Voltage(s): 230/460, 460, 575

Enclosure(s): TEFC

Construction: Cast Iron

Standard Features:

  • IP54 protection
  • All cast iron including fan cover & T-box
  • Shaft slinger on pulley end
  • Vibration: 0.08 in/sec or less
  • Oversized conduit box - 1 size larger than NEMA standard
  • Open regreaseable bearings 180 frame+
US Motors Severe Duty Motor Image

Warranty: 3 Years*

Applications: Pumps, fans, compressors, conveyors, mixers, material handling in tough environments

Brochures: pds200-188 (Corro-Duty).pdf Corro-Duty Brochure

IEEE-841 Motors

Series: Corro-Duty

Description:

US Motors IEEE-841 Totally Enclosed Fan Cooled Motors meet NEMA Premium Efficiencies and are designed for constant speed and inverter duty applications in petro-chemical, pulp & paper, automotive, mining and waste treatement industries.

HP: 1 to 400

Voltage(s): 460, 575

Enclosure(s): TEFC

Construction: Cast Iron

Standard Features:

  • IP55 protection
  • Inverter Grade Inulation System (10:1 VT, 5:1CT)
  • All cast iron including fan cover & T-box
  • VBXX Bearing Isolators by Inpro/Seal
  • Vibration: 0.05 in/sec or less
  • CARB Bearing on 400 frame and up
US Motors IEEE-841 Motor Image

Warranty: 5 Years*

Applications: Chemical processing, mining, foundry, pulp & paper, waste management, petro/chemical

Brochures: pds241-202 (IEEE-841).pdf IEEE-841 Brochure

Explosion Proof Motors

Series: Hazardous Location

Description:

US Motors Totally Enclosed Fan Cooled Explosion Proof Motors are available with single and dual label classifications. These motors meet NEMA Premium efficiency levels, are UL listed and CSA certified. US Motors also offers 3 and 5 horsepower Close Coupled Pump JM frame Explosion Proof Motors.

HP: 1/4 to 200

Voltage(s): 115/208-230, 115/230,
208-230/460, 230/460, 460

Enclosure(s): TEFC, TENV

Construction: Aluminum, Rolled Steel, Cast Iron

Standard Features:

  • IP54 protection
  • Single label motors are Class I, Group D, temp code T2B
  • All cast iron including fan cover & T-box
  • Shaft slinger on pulley end
  • Regreasable bearings 180 frame+
US Motors Explosion Proof Motor Image

Warranty: 3 Years*

Applications: Pumps, fans compressors, conveyors and tools located in hazardous locations as defined by Class and Group

Brochures: Hazardous_Location_Overview.pdf Hazardous Location Overview, pds201-113 (Hazardous Location Motors).pdf Hazardous Location Motor Spec Sheet

Cooling Tower Motors

Series: ReadyLine

Description:

US Motors Premium Efficient Cooling Tower Motors are available in Totally Enclosed Fan Cooled and Totally Enclosed Air Over enclosures. US Motors offers single speed, 2-speed, 1-winding, and 2-speed, 2-winding motors with options such as space heaters, thermistors, and shaft grounding. US Motors assembles these motors using specially engineered component kits allowing for assembly of various configurations in a short time. In addition, ESR stocks US Motors Cooling Tower Duty Motors in our warehouse.

HP: 2 to 100

Voltage(s): 200, 230/460, 560, 575

Enclosure(s): TEFC, TEAO

Construction: Cast Iron

Standard Features:

  • IP55 protection
  • Double dip & bake, 100% solids, polyester insulation on windings
  • Bearing isolators on "wet" end for vertical mounting positions
  • Double-Sealed, same-size bearings both ends
  • Inverter grade (10:1 Variable Torque)
  • Vibration: 0.05 in/sec or less
  • Sealed bracket-to-frame registers & leads
US Motors Cooling Tower Duty Motor Image

Warranty: 3 Years*

Applications: Cooling Towers

Brochures: Fact_CoolingTower.pdf Cooling Tower Motor Fact Sheet

Washdown Duty Motors

Series: Washdown

Description:

US Motors Totally Enclosed Fan Cooled and Totally Enclosed Non-Ventilated Washdown Duty Motors are available in painted, paint free, and stainless steel options. US Motors offers both single and three phase voltages.

HP: 1/4 to 10

Voltage(s): 115/208-230, 208/230,
208-230/460

Enclosure(s): TEFC, TENV

Construction: Rolled Steel,
Stainless Steel

Standard Features:

  • Premium efficient and high efficient options
  • 303 stainless steel shaft
  • VBX bearing isolators by Inpro/Seal on all stainless steel and paint free motors
  • Lip seals and rotating shaft seals on painted motors
  • Stainless steel T-type drains on paint-free, stainless steel, and 140 & below frame painted motors
  • Laser etched nameplates on stainless frames. Stainless steel on painted frames
US Motors Washdown Duty Motor Image

Warranty: 1 Year*

Applications: Food processors, canners, meat packers, bakeries, dairies, drug and cosmetic

Brochures: PDS_WASHDOWN.pdf Washdown Duty Motor Data Sheet, Washdown_Motors_Overview.pdf Washdown Motors Overview

Inverter/Vector Duty

Series: ACCU-Torq, Unimount, Hostile Duty

Description:

US Motors Accu-Torq line of Totally Enclosed Non Ventilated Vector Duty motors are good for 2000:1 Contant Torque applications. US Motors also offers Unimount and Hostile Duty Motors capable of 10:1 Variable Torque operation.

HP: 1/4 to 300

Voltage(s): 230/460, 460, 575

Enclosure(s): ODP, TEBC, TEFC, TENV

Construction: Rolled Steel, Aluminum,
Cast Iron

Standard Features:

  • ACCU-Torq Motors: constant torque operation from zero to base speed with vector drives
  • Thermostats included (one per phase)
  • Unimount and Hostile Duty Inverter Duty Motors good for 10:1VT and 5:1CT
US Motors Vector/Inverter Duty Motor Image

Warranty: 3 Years*

Applications: conveyors, presses, hoists, inverter powered applications

Brochures: Suitability-MotorsVFDs.pdf Using US Motors with VFD's, BR658-001 (Accu-Torq).pdf Accu-Torq Brochure

Brake Motors

Series: Unimount, FCR

Description:

US Motors Totally Enclosed Fan Cooled Brake Motors are offered in both the Unimount series for typical braking applications and the FCR series designed for manual release, brake torque adjustments, external air gap adjustments and where high cycling is required.

HP: 1/3 to 20

Voltage(s): 208-230/460

Enclosure(s): TEFC

Construction: Rolled Steel, Aluminum

Standard Features:

  • IP55 Protection
  • Inverter Duty (2:1CT, 10:1VT)
  • Vacuum Pressure Impregnation
  • UL Recognized and CSA certified
  • FCR Series features 180 Volt DC brake coil (rectifier included)
US Motors Brake Motor Image

Warranty: 3 Years*

Applications: Conveyors, machine tools, door operators, speed reducers, cranes, hoists, bulk material handling equipment

Brochures: Brake_Motors.pdf Brake Motors Overview, PDS_FCR_Brakemotor.pdf FCR Brake Motor Product Data Sheet

Automotive Duty Motors

Series: JDE,JDEN

Description:

US Motors Automotive Duty Motors are U Frame footed and premium efficient. They are designed for automotive and process industries where "U" Frame sizes are specified.

HP: 1 to 300

Voltage(s): 460

Enclosure(s): TEFC

Construction: Cast Iron

Standard Features:

  • IP54 protection
  • Cast iron frame and end brackets
  • Shaft slinger on pulley end
  • 85 dBA max sound power level
  • Vibration: < 0.075 in/sec
  • Built to meet General Motors' GM7EH, Ford EM-1, and Chrysler NPEM-105 specifications
US Motors Automotive Duty Motor Image

Warranty: 3 Years*

Applications: Automotive

Brochures: Please call for information

Close Coupled Pump

Series: UTE4, UT4, UT1, L4, DE1, FD4, FD1, UTM4, UTM1

Description:

US Motors Totally Enclosed Fan Cooled and Open Drip Proof Close Coupled Pump Motors are designed to meet specific requirements of centrifugal pumps where the pump impeller is mounted directly on the motor shaft. ESR keeps a variety of US Motors Close Coupled Pump Motors in stock.

HP: 1 to 60

Voltage(s): 115/230, 230, 575, 208-230/460, 200, 230/460

Enclosure(s): TEFC, ODP

Construction: Rolled Steel, Aluminum

Standard Features:

  • JM, JP, and West coast shaft types
  • Energy efficient and NEMA Premium efficiencies
  • CE Mark on nameplate
  • UL Recognized and CSA certified
US Motors Close Coupled Pump Motor Image

Warranty: 3 Years*

Applications: Centrifugal pumps

Brochures: Close-Coupled_Pump_Motors.pdf Close Coupled Pump Motors Overview, pds264-198 (Close Coupled Pump ODP).pdf Close Coupled Pump ODP Motor Product Data Sheet, pds244-195 (Close Coupled Pump TEFC).pdf Close Coupled Pump TEFC Motor Product Data Sheet

Vertical Hollow Shaft

Series: AUR, AUC, AU, RU, AUE, RUE, AUI, RUSI, RUEI

Description:

US Motors Weather Protected Type I and Totally Enclosed Fan Cooled Vertical Hollow Shaft motors are available in standard, energy efficient, and premium efficient models. Motors are for Normal Thrust, High Thrust, and Extra High Thrust operation. They are designed for use on turbine, mix flow and propeller pumps. ESR stocks a wide range of US Motors Vertical Hollow Shaft Motors.

HP: 3 to 600

Voltage(s): 115/230, 230/460,
460, 220/380-440, 415, 575

Enclosure(s): TEFC, WPI

Construction: Cast Iron

Standard Features:

  • Motors include Non-Reverse Ratchet or a Self-Release Coupling
  • Single phase motors available from 3 to 7.5 horsepower
  • Suitable for operation on VFD at 1.0 Service Factor
  • 115V Space Heater (through 250HP)
  • 230/460 Volt motors suitable for 230 Volt Part Winding Start
US Motors Vertical HolloShaft Motor Image

Warranty: 3 Years*

Applications: Turbine, mix flow, and propeller pumps

Brochures: Vertical_Motors.pdf Vertical Motors Overview, pds514-001 (VHS High Thrust).pdf VHS High Thrust Product Data Sheet, pds514-190 (VHS WPI).pdf VHS WPI Product Data Sheet

Vertical Solid Shaft

Series: TV, AV, RV

Description:

US Motors Weather Protected Type I and Totally Enclosed Fan Cooled Vertical Solid Shaft motors are available in energy efficient, and premium efficient models. Motors are for Normal Thrust operation.

HP: 1 to 125

Voltage(s): 230/460

Enclosure(s): TEFC, WPI

Construction: Cast Iron

Standard Features:

  • Energy Efficient motors available from 1 to 125 horsepower
  • Premium Efficient motors available from 1 to 2 horsepower
  • 30 HP and below can be re-reated for 208/415 Volt
  • 230/460 Volt motrs suitable for 230 Volt Part Winding Start
  • 230/460 Volt motors suitable for 230 Volt Part Winding Start
  • Suitable for operation on VFD's
US Motors Vertical Solid Shaft Motor Image

Warranty: 3 Years*

Applications: Vertical end suction, short couple pumps, centrifugal and non-clog pumps

Brochures: Vertical_Motors.pdf Vertical Motors Overview, pds234-001 (VSS High Thrust).pdf VSS High Thrust Product Data Sheet, pds524-197 (VSS In-Line).pdf VSS In-Line Product Data Sheet, pds526-002 (VSS High Thrust, Oil & Gas).pdf VSS Oil & Gas Product Data Sheet

Single Phase Motors

Series:

Description:

US Motors offers a wide variety of single phase motors from General Purpose to HVAC to Washdown to Pump motors they have you covered.

HP: 1/50 to 10

Voltage(s): 115/208-230, 115, 208,
230, 277, 265

Enclosure(s): TEFC, ODP

Construction: Rolled Steel

Single Phase Motor Types:

  • General Purpose
  • Explosion Proof
  • Washdown
  • HVAC Motors
  • Agriculture Motors
  • Commercial Duty Pump Motors
  • Close Coupled Pump Motors
  • Pool & Spa Motors
  • Residential Water System Pump Motors
  • Gate & Door Motors
US Motors Single Phase Motor Image

Warranty: Please call for details

Applications: Blowers, fans, pumps, conveyors and tools

Brochures: Single_Phase.pdf Single Phase Motors Overview, HAC_Motors.pdf HVAC Motors Overview

Medium Voltage Motors

Series: Corro-Duty, Titan, Titan III

Description:

US Motors offers high efficiency and premium efficiency medium voltage horizontal and vertical motors. US Motors Medium Voltage motors are assembled to order.

HP: 150 to 4000

Voltage(s): 2300, 4000, 4160, 6600

Enclosure(s): TEFC, ODP, WPI, WPII, TETC

Construction: Cast Iron

Standard Features:

  • Class F insulation system
  • Class B temperature rise at 1.0 service factor
  • Regreasable ball bearings
  • Thermostats - One per phase
  • Many custom design choices available
US Motors Medium Voltage Motor Image

Warranty: Call for details

Applications: General purpose, pulp & paper, mill & chemical

Brochures: pds234-211 (TITAN ODP and WPI).pdf TITAN OPP and WPI Product Data Sheet, pds220-187 (TITAN TETC).pdf TITAN TETC Product Data Sheet, pds234-002 (TITAN III).pdf TITAN III Product Data Sheet, pds234-217 (TITAN Lube Oil Systems).pdf TITAN Lube Oil Systems Product Data Sheet

DC Motors

Series: PM, SWD

Description:

US Motors offers a line of Direct Current Permanent Magnet motors. These motors are Totally Enclosed Fan Cooled and are designed for general industrial equipment.

HP: 1/4 to 1-1/2

Voltage(s): 90, 180

Enclosure(s): TEFC, TENV

Construction: Rolled Steel

Standard Features:

  • NEMA C-Face
  • Removable feet on rigid base
  • 20:1 Constant Torque speed range
  • Two armature leads & no field connections are required
US Motors DC Motor Image

Warranty: Call for details

Applications: fans, blowers, compressors, pumps, direct connected equipment

Brochures: DC Catalog Page.pdf DC Motor Catalog Page

* Warranty may vary depending on efficiency and run conditions. Please refer to warranty page for details

Warehouse Locations

Nidec/US Motors Warehouse Locations

  • ESR - Rock Hill, SC
  • Southaven, MS
  • Middleton, PA
  • Chino, CA
  • Naperville, IL