Techtop Motors SD3-444TC-4-RR-E-125 TechTop SD3-444TC-4-RR-E-125 — 125 HP Severe Duty IEEE 841 motor, 444TC frame, 4 POLE…

Name: TechTop SD3-444TC-4-RR-E-125: 125 HP, 460V, 4-pole TEFC severe duty motor, NEMA Premium IE3, UL/CSA certified.
Brand: Techtop Motors
SKU: SD3-444TC-4-RR-E-125
Availability: InStock

Documents & Media

3D CAD Model (STEP)Specification Sheet Manufacturer Product Website

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The TechTop SD3-444TC-4-RR-E-125 is a 125 HP, 460V, 3-phase severe duty motor designed for heavy industrial applications requiring robust performance and efficiency. Built to NEMA Premium IE3 standards, this 444TC frame motor delivers 1785 RPM at full load with a service factor of 1.15, ensuring reliable operation under variable loads. The totally enclosed fan-cooled (TEFC) enclosure provides IP56 protection against dust and water ingress, making it ideal for harsh environments. Key electrical specifications include a rated current of 138 Amps, nominal efficiency of 95.4%, and a power factor of 0.89. The motor features a 7024 graphite grey coating for corrosion resistance and includes shaft grounding to protect against bearing currents. With a temperature rise of 72.5°C at full load and tropicalization for extreme climates, this motor is engineered for continuous duty in ambient temperatures up to 40°C. Mechanical robustness is ensured with 6319 C3 bearings on both the drive end (DE) and non-drive end (NDE) sides, providing long service life under heavy loads. The motor’s design includes a 1.25-inch removable cable entry for flexible wiring configurations. Certified to UL, CSA, and DOE standards, the SD3-444TC-4-RR-E-125 is suitable for use in hazardous locations (Class 1 Division 2 Groups A-D) and meets stringent efficiency regulations. Applications include pumps, fans, compressors, and industrial machinery requiring high torque and sustained performance. The motor’s compatibility with variable frequency drives (VFD) and its compliance with NEMA Design B ensures versatility across a wide range of industrial processes. With a weight of 1445.6 lbs and a moment of inertia optimized for smooth operation, this motor is a dependable choice for critical industrial systems.

125 HP, 460V, 3-phase, 4-pole (1785 RPM) severe duty motor
NEMA Premium IE3 efficiency (95.4%) with 1.15 service factor
TEFC enclosure (IP56) with graphite grey corrosion-resistant coating
UL/CSA/DoE certified, Class 1 Div 2 hazardous location rated
6319 C3 bearings, shaft grounding, and tropicalized for extreme climates

Frequently Asked Questions

What is the IP rating of this motor enclosure?

The IP rating for this motor is 56.

What is the nominal efficiency of the motor?

The nominal efficiency of this motor is 95.4 %.

What is the insulation class of the motor?

The insulation class for this motor is F.

What is the maximum ambient temperature for operation?

The rated ambient temperature for operation is 40°C.

What is the rated altitude for this motor?

The rated altitude for this motor is 1000 meters.

Does this motor have shaft grounding?

Yes, this motor is equipped with shaft grounding.

What hazardous location classification does this motor meet?

This motor meets CL1 Div2 Grp A,B,C,D hazardous location classification.

What certifications does the SD3-444TC-4-RR-E-125 have?

This motor has UL, CSA, and DOE certifications.

What is the approximate weight of the motor?

The approximate weight of this motor is 1445.6 pounds.

What is the rated motor output power for this model?

The rated motor output power for the SD3-444TC-4-RR-E-125 is 125 HP.

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.