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Techtop Motors SD3-445T-6-RR-E-125 - TechTop SD3-445T-6-RR-E-125 — 125 HP Severe Duty IEEE 841 motor, 445T frame, 6 POLE (1200), 460V 60HZ, TEFC, IE3 - NEMA Premium
Techtop Motors

SD3-445T-6-RR-E-125

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Overview

Techtop Motors SD3-445T-6-RR-E-125 is a 125 HP, severe-duty IEEE 841 motor designed for industrial applications requiring high efficiency and reliability. This NEMA Premium motor features a 445T frame, 6-pole (1200 RPM) configuration, and operates at 460V, 60Hz in a Totally Enclosed Fan-Cooled (TEFC) enclosure. With a nominal efficiency of 95% and NEMA Design B performance, it meets IE3 efficiency standards, ensuring energy savings and compliance with DOE regulations. Key electrical specifications include a rated current of 147 Amps, service factor of 1.15, and a breakdown torque of 293%. The motor delivers 744 ft-lb of full-load torque at 1190 RPM with a temperature rise of 61.4°C. Certified to UL, CSA, and DOE standards, this motor is suitable for continuous duty in harsh environments, including Class I Division 2 hazardous locations. The IP56 rating provides protection against dust and water ingress, while tropicalization ensures durability in extreme climates. Mechanical robustness is reinforced with 6319 C3 bearings on both the drive-end and non-drive-end sides, a shaft grounding system, and a graphite grey 7024 coating for corrosion resistance. The motor’s 1.25-inch cable entry accommodates standard wiring, and its removable feet simplify installation. With a rated altitude of 1000 meters and an ambient temperature rating of 40°C, this motor is engineered for reliability in demanding industrial settings. Ideal for pumps, fans, compressors, and material handling systems, the SD3-445T-6-RR-E-125 delivers consistent performance with minimal maintenance. Its high efficiency reduces operational costs, while the NEMA Premium rating ensures compatibility with variable frequency drives (VFDs) for precise speed control. Backed by Techtop Industries’ expertise, this motor combines durability, energy efficiency, and compliance with global standards.
  • 125 HP, 445T frame, 6-pole (1200 RPM), 460V 60Hz TEFC motor
  • 95% nominal efficiency (IE3 NEMA Premium compliant)
  • Rated current: 147 Amps, service factor: 1.15, breakdown torque: 293%
  • IP56 enclosure, Class I Div2 hazardous location certified
  • UL, CSA, and DOE compliant with tropicalization for harsh environments

Frequently Asked Questions about Techtop Motors

What certifications and standards do Techtop Motors products comply with?

Techtop Motors products comply with NEMA Premium® efficiency standards, IEEE 841 for severe duty applications, and MG1 Part 31 for safe VFD use. Additionally, they feature IP55 ingress protection and are constructed with corrosion-resistant materials, ensuring durability and reliability in industrial environments.

What is Techtop Motors's warranty policy?

Techtop Motors offers a 36-month warranty from the date of purchase on their electric motors, ensuring protection against defects in materials and workmanship. This warranty reflects Techtop's commitment to quality and customer satisfaction.

What industries and applications are Techtop Motors products used for?

Techtop Motors products are utilized across a wide range of industries, including manufacturing, processing, agriculture, HVAC, and heavy-duty applications. Their motors are designed for powering machinery such as pumps, fans, conveyors, and compressors, ensuring reliable performance and energy efficiency in demanding environments.

What technical support does Techtop Motors offer?

Techtop Motors offers comprehensive technical support, including pre-sale and post-sale assistance through a fully trained customer service team. Our support extends to application-driven engineering, ensuring that customers receive expert guidance tailored to their specific needs. Additionally, we provide access to live inventory, electrical and dimensional data, and downloadable brochures via our website.

What are the main product lines offered by Techtop Motors?

Techtop Motors offers a diverse range of industrial electric motors, including NEMA Premium Efficiency motors, IEEE 841 Severe Duty motors, JM/JP Pump motors, and Explosion Proof motors. Their product lines also feature options in both cast iron and aluminum constructions, as well as specialized motors for applications like cooling towers and washdown environments. With horsepower ratings ranging from 1/8 to 500 HP and various frame sizes, Techtop Motors is equipped to meet a wide array of industrial automation needs.

What are the key features of Techtop Motors products?

Techtop Motors products feature NEMA PREMIUM® operating efficiency, ensuring reduced energy costs and enhanced performance. They are designed with hand-inserted lap wound stators for smooth operation, true copper windings for reduced loss, and full cast iron construction for durability. Additional features include IP55 ingress protection, automatic moisture drainage, and a 36-month warranty, making them ideal for demanding industrial applications.

What communication protocols do Techtop Motors products support?

Techtop Motors products support a comprehensive range of communication protocols including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU integrated as standard. These protocols facilitate efficient communication and integration within industrial automation systems, enhancing system performance and diagnostics.

What environmental ratings do Techtop Motors products have?

Techtop Motors products feature environmental ratings such as IP55 and IP56, providing robust protection against dust and water ingress. These ratings ensure reliable performance in various industrial environments, with options for oil seals and labyrinth seals for enhanced durability.

What accessories are available for Techtop Motors products?

Techtop Motors offers a variety of accessories for their products, including C & D flanges for versatile mounting options, aluminum and rolled steel C-face conversion kits, and multi-mount removable mounting feet for easy installation. Additionally, their motors feature color-coded oversized lead wires for simplified connections and automatic grease purge systems to prevent over-greasing, enhancing maintenance efficiency.

How are Techtop Motors products typically installed?

Techtop Motors products are designed for straightforward installation, featuring multi-mount removable mounting feet that allow for easy repositioning of the conduit box. Their lightweight designs facilitate handling in difficult-to-reach locations, while color-coded oversized lead wires simplify electrical connections. Additionally, the motors are equipped with features such as automatic grease purge and double lip shaft seals, ensuring reliable operation and maintenance ease.