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Techtop Motors GR3-AL-TF-56J-4-B-D-2 - TechTop GR3-AL-TF-56J-4-B-D-2 — 2 HP Premium JM-JP motor, 56J frame, 4 POLE (1800), 208-230/460V 60HZ, TEFC, IE3 - NEMA Premium
Techtop Motors

GR3-AL-TF-56J-4-B-D-2


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Overview

The TechTop GR3-AL-TF-56J-4-B-D-2 is a 2 HP, 4-pole (1800 RPM) Totally Enclosed Fan-Cooled (TEFC) motor designed for industrial applications requiring reliable, high-efficiency operation. Built to NEMA Premium IE3 efficiency standards, this motor delivers 86.5% nominal efficiency at 208-230/460V, 60Hz, three-phase power, ensuring energy savings and compliance with DOE regulations. The 56J frame size provides a compact footprint while accommodating a service factor of 1.25, allowing for temporary overloads up to 25% without performance degradation. Key mechanical features include a graphite grey finish with tropicalization for corrosion resistance, dual 6204ZZ sealed bearings on both drive-end (DE) and non-drive-end (NDE) sides, and a removable 1.25-inch cable entry for flexible wiring configurations. The motor operates at a rated ambient temperature of 40°C and is certified for Class 1, Division 2, Groups A-D hazardous locations, making it suitable for chemical, oil & gas, and manufacturing environments. Electrically, the GR3-AL-TF-56J-4-B-D-2 features a 9-lead dual-voltage design (230V/460V) with a rated current of 5.72A (230V) / 2.86A (460V), NEMA Design B performance, and an insulation class F rating for thermal endurance. The motor’s full-load torque is 6.64 ft-lb, with a breakdown torque of 417% of full load, ensuring robust starting and acceleration capabilities. With UL, CSA, and DOE certifications, this motor meets rigorous safety and efficiency standards for North American markets. Ideal for pumps, fans, compressors, and material handling systems, the GR3-AL-TF-56J-4-B-D-2 combines durability, energy efficiency, and compliance in a single package. Its TEFC enclosure protects internal components from dust, moisture, and harsh conditions, while the NEMA Premium efficiency reduces operational costs over the motor’s lifecycle. Backed by Techtop Industries’ engineering expertise, this motor is a dependable choice for OEMs and end-users seeking performance and reliability in industrial applications.
  • 2 HP, 4-pole (1800 RPM) TEFC motor for industrial use
  • NEMA Premium IE3 efficiency (86.5%) with DOE compliance
  • Dual-voltage operation: 208-230/460V, 60Hz, 3-phase
  • Class 1, Div 2 hazardous location certified (Groups A-D)
  • Graphite grey finish with tropicalization for corrosion resistance

Specifications

Frequency
60Hz
Ip Rating
TEFC
Nema Rating
NEMA Premium
Poles
4 POLE (1800)
Series
GR3-AL-TF
Size
56J Frame
Voltage Rating
208-230/460V

Frequently Asked Questions

What is the rated efficiency of the GR3-AL-TF-56J-4-B-D-2?

The motor has a nominal efficiency of 86.5% as per NEMA Premium IE3 standards.

What is the service factor of this motor?

The service factor is 1.25, allowing temporary overloads up to 25% without performance degradation.

Is this motor suitable for hazardous locations?

Yes, it is certified for Class 1, Division 2, Groups A-D hazardous locations.

What is the frame size of the GR3-AL-TF-56J-4-B-D-2?

The motor has a 56J frame size, which is a standard NEMA frame designation.

What type of enclosure does this motor have?

The motor features a Totally Enclosed Fan-Cooled (TEFC) enclosure for protection against dust and moisture.

What is the rated ambient temperature for this motor?

The motor is rated for a maximum ambient temperature of 40°C.

Does this motor have a removable cable entry?

Yes, the motor includes a removable 1.25-inch cable entry for flexible wiring configurations.

What certifications does this motor hold?

The motor is UL, CSA, and DOE certified, ensuring compliance with North American safety and efficiency standards.

What is the rated speed of this motor?

The motor operates at a rated speed of 1740 RPM under full load conditions.

What is the insulation class of this motor?

The motor has an insulation class F rating, providing thermal endurance up to 155°C.

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.