ESR Motor Systems - Marathon Electric Motors

Electric Motors

Since 1913, Marathon Electric has been dedicated to providing customers with quality products for targeted applications. Marathon Electric Motors delivers efficient mechanical power solutions using AC electric motors up to 1250 HP.

ESR keeps a variety of Marathon motors in stock and since we are located less than 30 minutes from their North Carolina warehouse, we have quick access to many more Marathon motors.

General Purpose Motors

Series: XRI, Globetrotter

Description:

Marathon Totally Enclosed Fan Cooled and Open Drip Proof General Purpose Motors are available in the well known XRI series as well as the new cost-conscious GlobeTrotter series.

HP: 1/4 to 400	Voltage(s): 200, 208-230/460, 230/460, 460, 575
Enclosure(s): TEFC, ODP	Construction: Rolled Steel, Aluminum, Cast Iron

Standard Features:

NEMA Premium efficient
Inverter Duty (10:1 VT, 2:1 CT)
UL Recognized, CSA Certified, CE Mark
182T-215T models steel frame, 254T-449T models cast iron frame
Standard assembly F1, reversible to F2 assembly

Warranty: 2 Years (Globetrotter), 3 Years (XRI)

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

Brochures: AC/DC Motors Brochure

Severe Duty Motors

Series: Blue Chip XRI

Description:

Marathon offers Totally Enclosed Fan Cooled Premium Efficient Severe Duty Motors. They are ideal for severe duty environments where long life and ultra-high efficiency are desired.

HP: 3/4 to 600	Voltage(s): 230/460, 460, 575
Enclosure(s): TEFC, TENV	Construction: Cast Iron

Standard Features:

NEMA Premium efficient
100% cast iron construction for rigidity and reduced vibration
Provisions to add stub shaft for an encoder (182T-449T)
Bearing caps (254T and larger)
Precision balanced to .08"/sec
Extended grease tubes, regreasable in service
Brass drain and breather
Hazardous Duty Division 2 CSA certification nameplate
Division 2/Zone 2 Class I (gases), Groups A, B, C, D
Meets temp code T2B
UL Recognized (through 449T) and CSA Certified and CE Marked

Warranty: 3 Years

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

Brochures: Process Duty Brochure

IEEE-841 Motors

Series: Blue Chip XRI

Description:

Marathon's Totally Enclosed Fan Cooled Premium Efficient IEEE-841 Motors meet the IEEE-841 standard for severe duty applications. They are ideal for extreme environments where long life and ultra-high efficiency are desired.

HP: 1 to 350	Voltage(s): 460, 575
Enclosure(s): TEFC, TENV	Construction: Cast Iron

Standard Features:

NEMA Premium efficient
100% cast iron construction for rigidity and reduced vibration
Inpro/Seal VBX bearing isolators on frive end shaft extension TENV and on both ends of TEFC
Provisions to add stub shaft for an encoder (182T-449T)
Bearing caps (254T and larger)
Precision balanced to .08"/sec
Extended grease tubes, regreasable in service
Brass drain and breather
Hazardous Duty Division 2 CSA certification nameplate
Meets IEEE45 USCG Marine Duty, API RPI4F for offshore platforms, IP56
Meets NEMA MG1 - 1.26.6 Waterproof specification
Division 2/Zone 2 Class I (gases), Groups A, B, C, D
Meets temp code T2B
UL Recognized (through 449T) and CSA Certified and CE Marked

Warranty: 5 Years

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

Brochures: Process Duty Brochure, Marine Duty Brochure

Explosion Proof Motors

Series: Blue Chip XRI

Description:

Marathon's Totally Enclosed Fan Cooled Premium Efficient Explosion Proof Motors are dual labeld for Class I and II, Groups C, D, F & G. They are premium efficient and Inverter Duty. Marathon also offers Vector Duty Explosion Proof Motors in a few ratings.

HP: 3/4 to 350	Voltage(s): 208-230/460, 230/460, 460, 575
Enclosure(s): TEFC	Construction: Cast Iron

Standard Features:

NEMA Premium efficient
Inverter Duty (10:1 VT)
100% cast iron construction for rigidity and reduced vibration
Precision balanced to .08"/sec
Extended grease tubes
Normally closed thermostats (must be connected to control circuit)
Meets temperature code T3B
Shaft slinger
UL Listed File No. E12044
CSA Certified File No. LR47504

Warranty: 3 Years

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

Brochures: Hazardous Duty Brochure

Cooling Tower Motors

Series: Blue Chip XRI

Description:

Marathon offers both Single Speed and Dual Speed Cooling Tower Duty Motors. They are Totally Enclosed Fan Cooled and Premium Efficient and are designed for use on Cooling Towers, Fans, and Blowers in Severe Duty environments.

HP: 3 to 250	Voltage(s): 230/460, 460
Enclosure(s): TEFC	Construction: Cast Iron

Standard Features:

NEMA Premium efficient
IP55 Protection
Inverter Duty (10:1 VT)
100% cast iron construction for rigidity and reduced vibration
Extended grease tubes, regreasable in service
T-drains provided for effective drainage (both endshields)
Shaft slinger
Forsheda seals on both ends
UL Recognized and CSA Certified

Warranty: 2 Years

Applications: Cooling Towers, fans, blowers

Brochures:

Washdown Duty Motors

Series: PowerWash

Description:

Marathon Totally Enclosed Washdown Duty Motors are available in single phase and three phase, painted and stainless steel. Three phase motors are Inverter Duty.

HP: 1/4 to 10	Voltage(s): 115/208-230, 208-230/460
Enclosure(s): TEFC, TENV	Construction: Rolled Steel, Stainless Steel

Standard Features:

IP55 Protection
Inverter Duty (10:1 VT)
Double sealed ball bearings
303 Stainless steel shaft with spring loaded contact seals in each endshield (Drive end only on TENV)
Plugged drain holes in each endshield for all angle mounting
Internal corrosion resistant coatings on frame, base, endshields, rotor and stator
UL Recognized, CSA Certified and CE Mark

Warranty: Call for details

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

Brochures:

Inverter/Vector Motors

Series: microMAX, Black Max, Blue Max

Description:

Marathon's microMAX and Black Max Motors are good for 1000:1 Constant Torque and Marathon's Blue Max Motors are good for 2000:1 Constant Torque. They also offer Black Max and Blue Max Explosion Proof Motors and Blue Max Brake Motors.

HP: 1 to 350	Voltage(s): 230/460, 460, 575
Enclosure(s): TEFC, TENV, TEBC	Construction: Rolled Steel, Cast Iron

Standard Features:

Constant Torque operation up to twice base RPM (143-256 frame)
Constant torque operation from 0 to base speed on vector drive
Ball bearings (roller bearing available 360 frame & larger
Continuous duty at 40 deg C ambient
UL Recognized, CSA Certified, and CE Mark

Marathon Inverter/Vector Duty Motor Image

Warranty: 3 Years

Applications: Material handling, machine tools, conveyors, crane and hoist, metal processing, test stands, pumps, compressors, textile processing

Brochures: Variable Speed Motors, microMAX Brochure

Brake Motors

Series: Brake, Blue Max

Description:

Marathon's offers both Single and Three Phase Brake Motors. Three Phase Motors are Inverter Duty. Vector Duty Blue Max Brake Motors are also available.

HP: 1 to 350	Voltage(s): 115/208-230, 208-230/460, 230/460
Enclosure(s): TEFC, TENV	Construction: Rolled Steel

Standard Features:

Fail-safe spring set Stearns brake for holding or stopping
Brake has manual wear adjustment for longer pad life
Manual release lever on rear of brake housing
Brake leads are terminated at brake
Vertical or horizontal mounting
Brake coil voltage matches motor voltages
Ball bearings, mechanically locked on shaft end
UL Recognized and CSA Certified

Warranty: Call for details

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

Brochures:

Automotive Duty

Series: Blue Chip XRI

Description:

Marathon's Blue Chip Severe Duty Motors meet the Ford EM1 Automotive Duty Specification and Marathon's Blue Chip IEEE-841 Motors meet General Motors GM 7E-TA Automotive Duty Specification.

HP: 1 to 350	Voltage(s): 460, 575
Enclosure(s): TEFC, TENV	Construction: Cast Iron

Standard Features:

IP54 Protection for Ford EM1 spec and IP56 Protection for GM 7E-TA spec
Premium efficient
Extended grease tubes, regreasable in service
Brass drain and breather
Precision balanced to .08"/sec
UL Recognized (through 449T) and CSA Certified and CE Marked

Warranty: 3 Years (Ford) 5 Years (GM)

Applications: Automotive

Brochures: Automotive Duty Brochure

Close-Coupled Pump

Series: Globetrotter

Description:

Marathon Close-Coupled Pump motors are available in Single Phase and Three Phase and Totally Enclosed Fan Cooled and Open Drip Proof enclosures. JM and JP styles are available as well as a variety of voltages.

HP: 1 to 50	Voltage(s): 115/208-230, 230, 200, 208-230/460, 230/460, 575
Enclosure(s): ODP, TEFC	Construction: Rolled Steel, Cast Iron

Standard Features:

EPAct Efficient and Premium Efficiency options
Three Phase motors are Inverter Duty
JP frame has rigid base, drip cover not included
JPV frame includes drip cover for vertical mount without base
Precision balanced to .08"/sec
UL Recognized and CSA Certified

Warranty: Call for details

Applications: Centrifugal pumps

Brochures:

Single Phase Motors

Series: Single Phase

Description:

Marathon offers Totally Enclosed Fan Cooled and Open Drip Proof Single Phase General Purpose Motors. They also offer a variety of Definite Purpose Single Phase Motors including Brakemotors, Agricultural Motors, HVAC Motors, Instant Reversing Motors, Pressure Washer Motors, Pump Motors, Washdown Motors, and Woodworking/Power Tool Motors.

HP: 1/6 to 10	Voltage(s): 115/208-230, 115/230, 208-230, 230
Enclosure(s): ODP, TEFC	Construction: Rolled Steel

Standard Features:

Ball Bearings
Heavy gauge steel construction
Economical split phase or capacitor start designs
UL Recognized and CSA Certified

Warranty: Call for details

Applications: Blowers, fans, pumps, conveyors and tools

Brochures: Commercial Motors Brochure, HVAC Motors Brochure

Medium Voltage Motors

Series: Medium Voltage

Description:

Marathon's Medium Voltage Motors are available through 3000 horsepower and through 13.2 kV (13,200 volts). They are available in both NEMA and IEC/Metric frames.

HP: 125-3000	Voltage(s): 2300/4000
Enclosure(s): ODP, WPI, WPII, TEFC, TEAAC, TEWAC	Construction: Cast Iron

Standard Features:

NEMA Premium efficiencies available
Cast iron construction B-10 life on direct-coupled loads
Open Conrad radial ball bearings rated for 100,000 hour B-10 life on direct-coupled loads
Class H insulation and form wound coils
Epoxy, 100% solids, Vacuum Pressure Impregnation (VPI) resin

Warranty: Call for details

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

Brochures: Medium Voltage Motors Brochure

DC Motors

Series: DC

Description:

Marathon offers both SCR Rated and non-SCR Rated DC Permanent Magnet Motors. A DC Permanent Magnet SCR Rated Washdown Motor is also available.

HP: 1/4-2	Voltage(s): 90, 180
Enclosure(s): TEFC, TENV	Construction: Cast Iron

Standard Features:

DC Motors are C-Face Footed (removable base)
Oversized brushes for extra long life
Permanently lubricated sealed ball bearings
Linear speed/torque characteristics over entire speed range
High starting torque, high peak current capability
SCR Rated Motors usable on PWM type DC adjustable speed drives at higher HP rating
Easy brush access with unique brush holder design
UL Recognized and CSA Certified

Warranty: Call for details

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

Brochures:

IEC Motors

Series: Globetrotter

Description:

Marathon's Globetrotter IEC Metric Motors are designed not only to meet International standards but meets NEMA performance and efficiency standards making it suitable for requirements worldwide.