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Marathon E591

Marathon · Explosion Proof NEMA Premium Efficiency Blue Chip Series Hazardous Duty
250 HP 1800 449T TEFC-XP 460V Explosion Proof
Catalog Number: E591
Model Number: 449TTGS16537
HP
250
RPM
1800
Voltage
460V
Frame
449T
Phase
3
Enclosure
TEFC-XP
Material
Cast Iron
Mounting
Rigid

Product-line overview

Marathon’s line of explosion proof motors is designed to protect against contamination that could lead to an explosion and to internally contain an explosion if it were to happen. They are the right choice for your severe duty applications in hazardous locations across various industries.

Availability: Factory Order

Stock Locations

This item is factory ordered. Shipping time may vary. Contact our team for an accurate shipping estimate or an alternate product recommendation.

Technical Support Available 8:30am-6:00pm EST

Call 1-800-890-7593

Contact our team for alternative solutions

No cross-referenced matches have been found, but our team may be able to help find an alternate solution.

Marathon: Explosion Proof NEMA Premium Efficiency Blue Chip Series Hazardous Duty (99)

C303B33525230V, 460V182TC $1,363.93
C324B51755230V, 460V184TC $1,394.50
C304B53495230V, 460V184TC $1,432.91
U062B7 1/23525230V, 460V213T $1,803.68
C305B7 1/23525230V, 460V213TC $1,885.21
U063B103520230V, 460V215T $1,892.26
U991B7 1/21765230V, 460V213T $2,078.82
U025B7 1/21765575V213T $2,078.82
U006B7 1/21765230V, 460V213T $2,078.82
U043B51170230V, 460V215T $2,081.17
C306B103520230V, 460V215TC $2,129.77
C325C7 1/21765230V, 460V213TC $2,160.35
U992B101765230V, 460V215T $2,188.57
U026B101765575V215T $2,188.57
U007B101765230V, 460V215T $2,188.57
C370B7 1/21765575V213TC $2,188.57
C366B7 1/21765230V, 460V213TC $2,188.57
U991B-P7 1/21765208-230V, 460V213T $2,276.36
C367B101765230V, 460V215TC $2,298.31
C326B101765230V, 460V215TC $2,426.08
C307B153535230V, 460V254TC $2,922.27
C327B151775230V, 460V254TC $3,027.31
C328B201775230V, 460V256TC $3,416.11
C308B203537230V, 460V256TC $3,498.41
E547A251800230V, 460V284T $4,258.77
U032A501800575V326T $7,172.41
U080A601800230V, 460V364TS $11,463.31
U033A601800575V364T $11,463.31
E573A601800230V, 460V364T $11,463.31
U034A751800575V365T $12,192.31
E576A751800230V, 460V365T $12,192.31
E571501200230V, 460V365T $12,270.70
E575753600230V, 460V365TS $12,367.12
E5781003600230V, 460V405TS $14,246.05
E574601200230V, 460V404T $14,461.62
E577751200230V, 460V405T $15,163.18
U082A1001800230V, 460V405TS $15,568.44
U035A1001800575V405T $15,568.44
U073A1253600460V444TS $21,035.61
E582A1251800460V444T $21,121.13
E580A1001200230V, 460V444T $22,254.12
E5831251200460V445T $22,789.21
U084A1501800460V445TS $22,809.64
U090A1501200460V445T $29,432.75
U038A2001800575V445T $31,105.37
E5882001800460V445T $31,105.37
E595A2503575460V447TS, 449TS $32,933.14
E5912501800460V449T $35,768.26
E5963001785460V447T, 449T $45,040.31
H504A3501785460V447T, 449T $56,315.71

Feature

  • Meets NEMA Premium efficiencies
  • 10:1 variable torque, see Inverter Duty column for constant torque
  • MAX GUARD® Class F insulation
  • Blue Chip Series® motor quality, 100% cast iron construction for rigidity and reduced vibration
  • Internal and external surfaces treated with epoxy paint
  • 1.15 service factor on sinewave or 1.0 service factor on IBGT power
  • 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
  • Three year warranty
Electrical Data
Rated Motor Output Power
250 HP
187.5 kW
Rated Motor Speed
1800 RPM
Rated Motor Voltage
460V
Rated Motor Current
285 AMP
Phase
3
Poles
4
Locked Rotor Current
-
Fl Current @ 208V
-
Service Factor
1.15
KVA Code
G
Nominal Efficiency
96.5
Nominal Power Factor
86
Leads (Qty, Size)
-
Frequency
60 Hz
Connection
-
Start Capacitor
-
Run Capacitor
-
MFD
-
VFD (S.F. 1.0)
Ratio
Hz
Variable Torque
-
-
Constant Torque
-
-
General Data
Frame
449T
Enclosure
TEFC-XP
Mounting
Rigid
Number of Speeds
-
Approximate Weight
-
Double Drilled
No
Frame Material
Cast Iron
C-Dimension
51.85"
NEMA Design
B
Degree of Protection (IP)
IP54
Insulation Class
F
Rotation
Reversible
Duty
Continuous
Conduit Box Location
-
Removable Feet
No
Orientation
Horizontal
Ambient Temp
40°C
Full Load Temperature Rise
Full Load Temp Rise
-
Temp Code
T3B
Mechanical Data
DE Bearing
6318
NDE Bearing
6318
Shaft Diameter
3.375"
Shaft Length
8.75"
Grease Type
-
Greaseable
No
Hazardous Locations
CSA Certified
-
Temp Code (Sine Wave Power)
-
Temp Code (VFD Power)
-
Additional Information
Agency Approvals
CSA & UL
Country of Origin
USA
Warranty
3-Year

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About Marathon

With decades of proven performance, Marathon Motors remains one of the most trusted names in industrial electric motors for Canadian facilities. From HVAC and manufacturing to oil and gas operations, Marathon delivers reliable NEMA and IEC motor solutions that stand up to Canada’s demanding conditions. Whether you’re retrofitting older equipment or standardizing across multiple sites, Marathon’s broad product lineup ensures compatibility and consistent performance.

In 2024, Marathon Motors entered a new era after being acquired by WEG Motors—one of the largest and most innovative electric motor manufacturers worldwide. This partnership strengthens Marathon’s presence in Canada by combining WEG’s advanced engineering and global manufacturing capabilities with Marathon’s long-standing reputation for durability, efficiency, and application expertise.

Canadian customers benefit from rigorous quality standards, long service life, and dependable operation even in harsh industrial environments. With shipping available directly from Toronto, Ontario, and access to knowledgeable technical support familiar with both Marathon and WEG products, Canadian businesses can source the right motor with confidence, whether it’s a standard replacement, a retrofit upgrade, or a specialized IEC/NEMA configuration.

Backed by WEG’s global resources and Marathon’s proven reliability, Canadian operations can count on fast availability, strong technical guidance, and motor solutions built to keep plants running smoothly.

Custom Marathon Motor Modifications for Your Applications

At eMotors Direct, we offer specialized modifications for Marathon motors to meet the unique needs of Canadian industrial operations. Our services include vertical mounting adaptations for space-restricted installations, F2 conversions for compact layouts, derating for higher ambient temperatures, and other custom solutions to ensure reliable performance.

Whether you’re retrofitting older equipment, upgrading systems, or integrating motors into new builds, our technical experts configure each Marathon motor for optimal efficiency, durability, and uptime. These modifications allow standard Marathon motors to deliver enhanced functionality and flexibility, keeping your operations running smoothly in even the most demanding industrial environments.

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