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MARATHON MOTORS

Marathon Motors, a brand of Regal Rexnord Corporation, is a manufacturer of industrial electric motors with a history dating back to 1913. The company is headquartered in Wausau, Wisconsin, USA, and produces a broad range of AC motors for general-purpose and specialized applications. Marathon Motors' product families include general-purpose AC motors in NEMA frame sizes, IEC metric motors, and HVACR replacement motors. These motors are available in various enclosures—Open Drip Proof (ODP) and Totally Enclosed Fan Cooled (TEFC)—and mounting configurations such as rigid base and C-face with rigid base. Marathon Motors offers motors with horsepower ratings from fractional (e.g., 1/2 hp) to high-output (e.g., 200 hp), with nameplate voltages including 208-230/460V AC, 460V AC, and 575V AC, and speeds ranging from 1,188 RPM to 3,510 RPM at 60 Hz. The motors are designed for continuous duty in industrial environments, with full-load current ratings specified for each model. Marathon Motors adheres to NEMA and IEC standards, ensuring compatibility with global equipment. 3G Electric stocks over 290 SKUs of Marathon Motors, covering a wide range of horsepower, frame sizes, and electrical specifications. This inventory supports plant engineers and maintenance managers who require reliable motors for pumps, fans, compressors, conveyors, and other rotating machinery. 3G Electric provides logistics support for global shipments, enabling procurement specialists to source Marathon Motors for facilities worldwide without geographic restrictions. The motors are suitable for applications requiring consistent torque, efficiency, and durability under continuous operation. Marathon Motors' product line includes both standard and metric frame sizes, allowing integration into equipment designed to either NEMA or IEC mounting dimensions. The availability of multiple enclosure types—ODP for clean, dry environments and TEFC for dusty or moist conditions—gives buyers flexibility in matching motor protection to site conditions. 3G Electric's catalog includes detailed specifications for each SKU, such as nameplate RPM, full-load amps, and voltage ratings, facilitating accurate selection for replacement or new installations.

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About MARATHON MOTORS

Marathon Motors, a brand of Regal Rexnord Corporation, is a manufacturer of industrial electric motors with a history dating back to 1913. The company is headquartered in Wausau, Wisconsin, USA, and produces a broad range of AC motors for general-purpose and specialized applications. Marathon Motors' product families include general-purpose AC motors in NEMA frame sizes, IEC metric motors, and HVACR replacement motors. These motors are available in various enclosures—Open Drip Proof (ODP) and Totally Enclosed Fan Cooled (TEFC)—and mounting configurations such as rigid base and C-face with rigid base. Marathon Motors offers motors with horsepower ratings from fractional (e.g., 1/2 hp) to high-output (e.g., 200 hp), with nameplate voltages including 208-230/460V AC, 460V AC, and 575V AC, and speeds ranging from 1,188 RPM to 3,510 RPM at 60 Hz. The motors are designed for continuous duty in industrial environments, with full-load current ratings specified for each model. Marathon Motors adheres to NEMA and IEC standards, ensuring compatibility with global equipment. 3G Electric stocks over 290 SKUs of Marathon Motors, covering a wide range of horsepower, frame sizes, and electrical specifications. This inventory supports plant engineers and maintenance managers who require reliable motors for pumps, fans, compressors, conveyors, and other rotating machinery. 3G Electric provides logistics support for global shipments, enabling procurement specialists to source Marathon Motors for facilities worldwide without geographic restrictions. The motors are suitable for applications requiring consistent torque, efficiency, and durability under continuous operation. Marathon Motors' product line includes both standard and metric frame sizes, allowing integration into equipment designed to either NEMA or IEC mounting dimensions. The availability of multiple enclosure types—ODP for clean, dry environments and TEFC for dusty or moist conditions—gives buyers flexibility in matching motor protection to site conditions. 3G Electric's catalog includes detailed specifications for each SKU, such as nameplate RPM, full-load amps, and voltage ratings, facilitating accurate selection for replacement or new installations.

Common Applications

  • Pumping systems — Marathon Motors general-purpose TEFC motors (e.g., 286TSTFCD6001) for water and wastewater pumps
  • HVACR equipment — Marathon Motors HVACR replacement motors for commercial air handlers and condenser fans
  • Conveyor drives — Marathon Motors rigid base ODP motors (e.g., 215TTDBD6026) for material handling conveyors
  • Compressor applications — Marathon Motors 75 hp TEFC motor (405TTFCD6086) for industrial air compressors
  • Machine tools — Marathon Motors metric frame motors (e.g., 71T34FH5507) for CNC and machining centers
  • Fan and blower systems — Marathon Motors 30 hp TEFC motor (286TTFCD6030) for large industrial exhaust fans

Frequently asked questions

Common questions about MARATHON MOTORS from 3G Electric.

What enclosure types are available for Marathon Motors general-purpose AC motors?

Marathon Motors general-purpose AC motors are available in two primary enclosure types: Open Drip Proof (ODP) and Totally Enclosed Fan Cooled (TEFC). ODP enclosures allow airflow through the motor while protecting against falling liquids and dirt, making them suitable for indoor, clean environments. TEFC enclosures seal the motor from external contaminants and use an external fan for cooling, ideal for dusty, humid, or outdoor locations. Both types are offered in rigid base and C-face mounting configurations.

What voltage options does Marathon Motors offer for their 3-phase motors?

Marathon Motors 3-phase AC motors are available with nameplate voltages including 208-230/460V AC, 230/460V AC, 460V AC, and 575V AC at 60 Hz. Dual-voltage motors (e.g., 230/460V AC) can be wired for either voltage, providing flexibility for different supply systems. Single-voltage motors (e.g., 460V AC or 575V AC) are designed for specific installations. Full-load current ratings are provided for each voltage configuration to aid in circuit sizing.

What is the difference between NEMA and IEC metric frame sizes in Marathon Motors?

Marathon Motors produces both NEMA frame motors (e.g., 184TT, 286TST, 449TT) and IEC metric frame motors (e.g., 71 frame, 132M frame). NEMA frames follow U.S. standards for mounting dimensions, shaft diameters, and keyways, commonly used in North American equipment. IEC metric frames adhere to international standards, with dimensions in millimeters, suitable for global machinery. Both types are available in general-purpose configurations with rigid base or C-face mounts.

What horsepower range do Marathon Motors general-purpose motors cover?

Marathon Motors general-purpose AC motors cover a wide horsepower range from fractional sizes (e.g., 1/2 hp) up to 200 hp, as seen in models like the 449TTDCD6076. Intermediate ratings include 7 1/2 hp, 10 hp, 30 hp, and 75 hp. This range accommodates applications from small pumps and fans to large compressors and conveyors. Motors are available in both ODP and TEFC enclosures across the horsepower spectrum.

Are Marathon Motors suitable for variable frequency drive (VFD) applications?

Many Marathon Motors general-purpose AC motors are designed for inverter-duty or can be used with variable frequency drives (VFDs) when properly specified. The product line includes motors with features such as constant torque or variable torque ratings, and some models are explicitly labeled for inverter use. For specific VFD compatibility, buyers should check the motor nameplate or consult the manufacturer's documentation. 3G Electric can provide detailed specifications for each SKU to assist in selection.

Does 3G Electric supply MARATHON MOTORS products?

Yes — 3G Electric (S) Pte. Ltd. supplies MARATHON MOTORS products. We stock the MARATHON MOTORS catalog and supply genuine factory-original products with full manufacturer warranty and technical support.