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Marathon Y546

Marathon · Inverter Duty Black Max Series
7 1/2 HP 1170 254TC TENV 230V|460V 1000:1 Turndown
Catalog Number: Y546
Model Number: 254THTL5776
HP
7 1/2
RPM
1200
Voltage
230V,460V
Frame
254TC
Phase
3
Enclosure
TENV
Material
Aluminum
Mounting
C-Face / Rigid

Product-line overview

Face those tough industrial applications with Marathon Motors’ 1000:1 turndown motors. These inverter duty motors can take on the contaminated environments of manufacturing and fabrication while providing the constant torque you need. Select your VFD-ready motor from a range of rating options.

Ships in 3 to 5 business days

Available for Delivery

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Stock Locations

Mississauga, ON: In Stock

Important Links

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

Call 1-800-890-7593

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Description

Designed for inverter or vector applications where up to a 1000:1 constant torque speed range is required. Typical uses include: material handling, machine tools, conveyors, crane and hoist, metal processing, test stands, pumps compressors, textile processing, and other industrial machinery installed in dusty or dirty environments.

Feature

  • MAX GUARD® Class F insulation system
  • Constant torque operation from 0 to base speed on vector drive
  • Constant horsepower operation up to twice base RPM
  • Continuous duty at 40ºC ambient
  • Optimized for operation with IGBT inverter (NEMA® Design A)
  • Normally closed thermostats (one per phase, Class F)
  • Removable rigid base, as noted
  • Ball bearings
  • Field reversible to F2 (except as noted)
  • Encoder and brake provisions included on opposite drive end (maximum 10 lb-ft brake)
  • UL recognized, CSA certified, and CE mark
  • Three year warranty
Electrical Data
Rated Motor Output Power
7 1/2 HP
5.6 kW
Rated Motor Speed
1170 RPM
Rated Motor Voltage
230V,460V
Rated Motor Current
22.0/11.0 AMP
Phase
3
Poles
6
Locked Rotor Current
-
Fl Current @ 208V
-
Service Factor
1
KVA Code
L
Nominal Efficiency
87.5
Nominal Power Factor
73
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
254TC
Enclosure
TENV
Mounting
C-Face / Rigid
Number of Speeds
-
Approximate Weight
223lb
Double Drilled
No
Frame Material
Aluminum
C-Dimension
25.37"
NEMA Design
-
Degree of Protection (IP)
IP43
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
-
Mechanical Data
DE Bearing
6206
NDE Bearing
6206
Shaft Diameter
1.625"
Shaft Length
3.75"
Grease Type
-
Greaseable
No
Hazardous Locations
CSA Certified
-
Temp Code (Sine Wave Power)
-
Temp Code (VFD Power)
-
Additional Information
Agency Approvals
CSA, UL & CE
Country of Origin
-
Warranty
3-Year

Product Line Review

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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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