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Home > Top Spare parts > GE-Motor



GE Standard Industrial Motors

GE Standard Industrial Motors

NEMA Premium General Purpose Motors

The Energy Saver NEMA Premium Efficient design meets CSA-Motors and C-390, UL-Component & Insulation System Recognition and CE mark for the 320 frame and smaller.

·        Meets NEMA MG1 table 12-12 premium efficiency levels. Tested per IEEE Standard 112, Test Method B.

·        The insulation system meets NEMA MG1-31 standards for motors operating on Inverter power at 460 or 575 volts.

·        Includes a 10:1 variable torque along with a 4:1 constant torque speed range.

·        The frame, end shields, fan cover and conduit box are a rugged cast iron construction.

·        A recessed steel-reinforced neoprene slinger minimizes contaminants from entering the bearing cavity.

·        Additional HP is available at 1.15 service factor for severe applications.

·        A non-hygroscopic, anti-fungus Class F insulation, with an 80C (NEMA B) temperature rise.

·        0.08 in/sec vibration meets the IEEE 841 Standard.

NEMA Premium Extra Severe Duty Motors

XSD Ultra technology meets an ISO 1940 Grade 1.0 Precision Plus balance to 0.04 in/sec results for smooth, reliable operation and long bearing life.

Standard Class H GEGARD insulation system is designed to excel in variable frequency drive applications where lesser designs often short circuit and cause overcurrent trips.

Built for a long 130,000 hour L10 direct connected and 26,280 hour L10 belted bearing life without life adjusting factors.

Complete Test per MG1 Part 12 IEEE Standard 112, Test Method B on 2% of all production. Verification of compliance and routine test report supplied with every XSD Ultra motor. Each 841 motor comes with its own test report demonstrating performance compliant with the IEEE 841-2009 specification.

Stock XSD Ultra motors can be UL listed, CSA listed, or GE self-certified for Division 2 locations or modified to meet ATEX Zone 2 or CE requirements.

Technical Scope:

0.75-300 HP, 900-3600 RPM

230/460, 460, 575V / 60 Hz

Alternate 50 Hz data on nameplate

TEFC (IP55) and ODP

Frame sizes: 143T-449T

NEMA, UL, CSA, IEEE 45, 841, 112B, and GM 7E-TA

Division 2 applications

C-Face and high-torque

Design “C?models available

NEMA Premium Vertical Pump Motors

Introducing the ultimate pump motor

A complete upgrade, Ultra Series vertical pump motors combine all the benefits of rugged and reliable XSD Ultra materials with advanced thrust and cooling technologies. All ratings of the Ultra family are fully inverter-duty exceeding NEMA MG1-31 requirements. Ultra Series vertical pump motors are completely NEMA premium efficient, meeting IEEE 841 levels with a full cast iron frame, inline, high thrust, space heaters, and a non-reverse ratchet. Durable construction meets the requirements in a wide range of vertical hollow and solid shaft motor applications.

Features & Benefits:

  • All lines fully inverter-duty
  • NEMA Premium Efficient - all lines
  • Low temperature rise, Class H insulation
  • Precision RCF data (+/- 5%)
  • Improved axial ball ratchet systems for better equipment protection
  • Effective WPI rodent protection
  • Rugged and reliable cast iron construction
  • Thrust capability 20% above industry standard for deep well applications
  • No water cooling required
  • Expanded 449 frame MV capability
  • SRC couplings available on stock motors
  • Insulated bearing and AEGIS SGR Standard
  • Extended bearing life able to meet 100,000-hour (~12 year) requirement
  • Standard WPI available in 575V rating

Industry Leading Coil Insulation System

GE pump motors are manufactured standard with a GEGARD2400 insulation system. This system exceeds NEMA MG1-31 (which is 3.1 times the nameplate voltage) for motors operating on inverters. This insulation system is comprised of class H materials. The combination of this and the varnish process provides a typical Corona Inception Voltage of 2400 volts peak with a rise time of 0.1 seconds.

Innovative Patented Air-Cooling Technology

Our engineers found a better way to air cool bearings in larger frame TEFC motors. The design improvements result in an amazing ~30 degrees C temperature reduction helping to dramatically extend bearing and winding life.


With a class H insulation, cast aluminum top hat, multi-direction cast in lifting lugs, oversized cast iron conduit box, aluminum anti-rodent screens and heavy-duty cast-iron frame, the WPI Ultra is the most robust vertical hollow shaft motor in the industry.

Operational Efficiency

GE high thrust vertical pump motors have, on average, 20% higher thrust and extended performance than any other similar product in the industry.  As a result, motors in all deep well applications can be air-cooled with any bearing configuration.

We are constantly making improvements in component and manufacturing standardization. The Ultra Series TEFC and WPI designs use many of same components and all make use of proven XSD Ultra electrical designs resulting in some of the fastest custom cycle times in the industry.


The hollow shaft high thrust design is intended for deep-well pump applications. Solid shaft motors are designed to operate in pump applications including in-line, booster, centrifugal, non-clog, and vertical turbines under extreme conditions for the petrochemical, pulp and paper, waste-water treatment and material processing industries.

Technical Scope

3-1000HP, 600-3600 RPM

460, 575, 2300/4160 V

60Hz or 50Hz

WPI and TEFC Enclosures

Frame Size: 182-5013

Hollow and Solid Shaft

Normal, High, and Extra High Thrusts

API 610 12th Edition

P-Base mountings

VFD ready with GEGARD Class H insulation

Three Year Warranty

IE3 Severe Duty Motors

Proven reliability in the most demanding process industry environments
XSD Ultra 841 IEC technology meets or exceeds IE3/NEMA Premium nominal efficiencies and exceeds all IEC/NEMA Premium minimum guaranteed efficiencies. Each motor comes with its own test report demonstrating performance compliant with the IEEE 841 specification, but with IEC construction and designs.

A five-year warranty comes standard with every XSD Ultra 841 IEC motor (60 months operational/66 months maximum from shipment).

Overall vibration is 1.4 mm/sec (0.55 inches per second) vs 0.08 inches (0.06 for 8 pole) per second per IEEE 841. This helps to extend the life of the motor and the connected equipment.

Total shaft runout is 0.025 mm (0.001? for shaft diameters up to 41 mm and 0.038 mm (0.0015? for shaft diameters greater than 41 mm for ball bearing machines.

GEGARD insulation systems feature Class H insulation materials. This system increases motor protection against IGBT drive voltage spikes which exceed NEMA MG1-31 standards.

Technical Scope:

0.55-220 kW, 750-3000 / 900-3600 RPM

200, 400, 400/690, 690V / 50 Hz

230/460, 460, 575, 690V / 60 Hz


Frame size: 90S-280H

IEC, IEEE 841, IEEE 45, ATEX, and IEC Exn

Zone II, ABS

NEMA Premium Explosion Proof Motors

Engineered to excel in hazardous environments

GE motors are designed and manufactured to operate efficiently and reliably in challenging applications and severe environments where reliability and ease of maintenance is critical. We work with all applicable standards such as IEEE, NEMA, and UL. GE explosion proof machines are available for use in Division 1 environments as specified.

Three-year warranty is standard. This comprehensive warranty program covers both mechanical and NEMA Premium efficiency performance (36 months operational/40 months maximum from shipment).

Hazadous Location UL Listed Division 1

Class 1 (Gas) Groups C & D / Class 2 (Dust) Groups F & G

40C Ambient

VFD rating 5:1 constant and 10:1 variable torque

Temp Code T3C

1.15 Service Factor

55C Ambient on sinewave power

143T-215T frame - Temp Code T3C

254T-449T frame - Temp Code T2B

1.0 Service Factor

Technical Scope

1-300 HP, 900-3600 RPM

230/460, 460, 575V / 60 Hz

Alternate 50 Hz data on nameplate


Frame sizes: 143T-449T


Direct Current Motors

Reliable Workhorses

Constructed in a rugged magnetic ring frame or cast-iron fabricated frame for severe industrial duty applications.

Anti friction bearings with removable bearing cartridges and caps.

Fully compliant class F insulation contains several components rated class H, unless otherwise specified.

Strong Tungsten Inert Gas (TIG) welded commutator risers to the armature coil.

Tape Reinforced Encapsulated Construction (TREC) of main field coils and commutating field coils is a process which strengthens, seals, and bonds the coil and pole into a single unit highly resistant to contaminants.

Technical Scope

1-500 HP, 300-3600 RPM

Armature voltage: 180, 240, 500

Field voltage: 300/150, 240/120

DPFG, DPFG-BV, TE, and Explosion proof

Medium Voltage Motors

Severe duty, long lasting, and high power for a smaller footprint

·        Specially engineered to excel in extreme Petrochemical, Power Generation, Mining and general process environments and applications.

·        Why is the Quantum LMV motor better?

·        Unique Design - An internal frame air circuit with patented frame D-Ducts and trapezoidal rotor vents dramatically increases airflow for a cooler operating motor. This gives more flexibility in choosing frame sizes.

·        Inverter Duty Reliability - Optional Insulated bearings and drive end shaft grounding ring are optional. This minimizes the impact of harmful shaft voltages. A separate blower is available for constant torque applications.

·        Superior Bearings - Available self-aligning spherically seated sleeve bearings allow the motor to adapt to the best position for the load. The shaft can adjust without increasing temperature, vibration or noise levels.

·        Technical Scope

·        100-1750 HP

·        900-3600 RPM / 60 Hz

·        900-3000 RPM / 50 Hz

·        460, 575, 2300/4000, 6600V

·        TEFC, ODP, WPI, WPII

·        Available in IEEE 841 config.

·        Frame sizes: 440-7000

·        NEMA, CSA, UL, IEEE 112B, AEx nA, API 547 and 541, Division 2, Zone 2

·        Class F insulation

·        Three or Five Year Warranties (IEEE 841)
Definite Purpose Motors




Adjustable Speed Drive Motors

This ASD Ultra technology is optimized for performance in metal processing, plastic extrusion, winders, test stands, crane and hoist and material handling. All are applications that require motors that can handle variable torque applications.

Five-year warranty comes standard. This comprehensive warranty program covers both mechanical and NEMA Premium efficiency performance (60 months operational/66 months maximum from shipment).

  • Designed for scalar or vector drive
  • Infinite:1 constant torque from zero to base speed
  • NEMA Premium efficiency at 60 Hz sinewave
  • Constant horsepower 1.5 times base speed
  • Runs at or below Class F temperature rise
  • Exceeds MG1-31 standards with GEGARD insulation system

Technical Scope

1.5-300 HP, 1800 RPM

230/460, 460, 575V / 60 Hz


Frame sizes: 143TC-449T


Fire Pump Motors

GEIM is authorized to manufacture fire pump motors per UL File E47088, Vol. 9, Sec. 1 (under Fire Pump QXZF and Inverter Duty PRHJ). A stainless steel embossed nameplate is bolted to each machine.

Fire pump motors sit dormant for many months of the year and may be subject to temperature and barometric changes, especially with outdoor applications. This environment causes condensation to collect on metal surfaces promoting corrosion and leading to unexpected failures. Optional space heaters can be wrapped around the winding coils. They work like an electric blanket transferring a small electric current into heat to keep the motor warm, dry and ready to start when operators need them most.

Class H GEGARD insulation system is designed to excel in severe environments and challenging applications where lesser designs often short circuit and cause overcurrent trips.

GE Fire Pump Motors are especially suitable for these applications:

  • Horizontal Fire Pumps
  • In-Line Fire Pumps
  • End Suction Fire Pumps
  • Vertical Fire Pumps

Technical Scope

2, 4, 6 and 8 Pole Designs

Cast Iron TEFC, TENV, ODP, WPI Enclosures

Cast iron bearing cap w/ recessed slinger

Ball bearings standard, Roller Bearings available

1.15 Service Factor limited by UL1004-5

Class B temperature rise (80C)

Continuous Duty (S1)

104F (40C) ambient temperature

3300ft (1000m) altitude

Stainless steel nameplates

Special voltages available

Special shaft designs available

Space heaters, Thermistor, thermostats, or RTD’s available

Shaft grounding rings available

Mill Duty DC Motors

This low base speed, high torque motor is used in high performance, automatic control systems that require a fast-transient response. These motors are ideal for use in steel plants, excavating equipment, shipyard cranes, coal and ore dock cranes. They operate well in constant potential or adjustable voltage drive systems with either rectified power supplies or motor-generator sets.

MD80 motors meet standards established by the Association of Iron and Steel Technology (AIST).

  • Heavy-duty, double tapered shaft is removable and replaceable.
  • Single width cylindrical roller bearings for high intermittent and impact thrust capacity.
  • TIG welding of the armature coil leads to the commutator makes the motor highly resistant to overloads.
  • Fast dynamic response and smooth speed control due to optimal system inertia.
  • Advanced Tape-Reinforced Encapsulated Construction (TREC) coil technology is highly resistant to contamination, vibration, impact and wear.
  • Specifically designed to accelerate, decelerate, or reverse under conditions of severe duty-cycle operation.
  • Optimal Class H insulation protection is standard.

AC/DC 1-1750
HP 0.75-1300 kW

Sample list of GE Motor spare parts:

GE, 5KS449SS159H
GE, 5KS324SS2115D20
GE, 5KS256SAA1033W6

Statement: Any reference to the OEM, part number or other OEM, information is for the purpose of identification only and does not imply that the part was manufactured by the Original Equipment Manufacturer.

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