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Techtop Motors GR3-AL-TF-71B3-2-B-D-.75 - TechTop GR3-AL-TF-71B3-2-B-D-.75 — 0.75 HP Metric IEC Three Phase motor, 71B3 frame, 2 POLE (3600), 208-230/460V 60HZ, TEFC, IE3 - NEMA Premium

Techtop Motors GR3-AL-TF-71B3-2-B-D-.75 TechTop GR3-AL-TF-71B3-2-B-D-.75 — 0.75 HP Metric IEC Three Phase motor, 71B3 frame, 2…


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Contact for Pricing

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

Overview

The Techtop GR3-AL-TF-71B3-2-B-D-.75 is a 0.75 HP (3/4 HP) Metric IEC three-phase motor designed for industrial applications. This motor features a 71B3 frame size and operates at 3600 synchronous RPM, corresponding to its 2 pole configuration. It is built with a Totally Enclosed Fan Cooled (TEFC) enclosure, providing robust protection against dust and moisture ingress, making it suitable for various operational environments. The GR3 series meets IE3 efficiency levels, aligning with NEMA Premium standards, which translates to reduced energy consumption and lower operating costs over the motor's lifespan. This specific model is configured for 208-230/460V at 60Hz. The catalog number GR3-AL-TF-71B3-2-B-D-.75 identifies this particular unit. The "D" in the catalog number signifies a standard mounting configuration. While this specific model is identified by the SKU GR3-AL-TF-71B3-2-B-D-.75, it is important to note that related models within the GR3-AL-TF-71B3 series offer alternative mounting options, including B14 flange, B3 rigid base, and B5 flange configurations. Key specifications for this motor include its 0.75 HP power rating, 3600 RPM speed, and IE3 efficiency classification. This motor is ideal for use in machinery requiring reliable and efficient three-phase power, such as pumps, fans, conveyors, and general industrial equipment. The designation "AL" in the catalog number indicates an aluminum frame construction. The "TF" signifies a standard terminal box location. The "71B3" denotes the frame size and mounting dimensions according to IEC standards. The "2" indicates the number of poles, resulting in the 3600 RPM synchronous speed at 60Hz. The voltage rating of 208-230/460V allows for flexible power supply integration. The ".75" at the end of the catalog number directly corresponds to the 0.75 HP power output.
  • 0.75 HP (3/4 HP) Metric IEC Three Phase Motor
  • 71B3 Frame Size
  • 2 Pole (3600 Synchronous RPM)
  • Totally Enclosed Fan Cooled (TEFC) Enclosure
  • IE3 Efficiency Level (NEMA Premium)

Specifications

A
112 in
AA
136 in
AC
147 in
AD
216 in
B
90 in
BB
108 in
C
45 in
D
14 in
E
30 in
F
5 in
Frequency
60Hz
G
11 in
H
71 in
Ip Rating
TEFC
K
7 in
L
274 in
Nema Rating
NEMA Premium
Poles
2 POLE (3600)
Series
GR3-AL-TF
Size
71B3 frame
SS
M5 in
TBH
120 in
TBW
147 in
Voltage Rating
208-230/460V

Frequently Asked Questions

What is the rated motor output power for this model?

The rated motor output power for the GR3-AL-TF-71B3-2-B-D-.75-208-230|460-60 is 0.75 HP.

What are the available voltage options for this motor?

This motor is available in 208-230 Volts and 460-60 Volts for 3-phase operation.

What are the hazardous location classifications for this motor?

This motor is classified for Hazardous Location Class 1, Div 2, Grp A,B,C,D.

What are the certifications for this motor model?

The motor is certified by UL and CSA, and meets DOE standards.

What is the frame size and enclosure type of this motor?

The motor has a frame size of 71 and features a TEFC (Totally Enclosed Fan Cooled) enclosure.

What is the IP rating for this motor's enclosure?

The motor has an IP rating of 55, indicating protection against dust and water jets.

What is the insulation class of the motor?

The motor features an Insulation Class F.

What is the nominal efficiency and power factor of this motor?

The nominal efficiency is 77% and the nominal power factor is 0.8 cosθ.

What is the full load torque of the motor?

The full load torque for this motor is 1.1064 Ft-Lb.

What is the temperature rise at full load?

The temperature rise at full load is 28.3 °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.