Techtop Motors GR3-AL-TF-71B34-2-B-D-.75 TechTop GR3-AL-TF-71B34-2-B-D-.75 — 0.75 HP Metric IEC Three Phase motor, 71B34 frame, 2…

Name: Techtop GR3-AL-TF-71B34-2-B-D-.75 0.75 HP IEC 3-phase motor, 71B34 frame, 2-pole, 208-230/460V, TEFC, IE3.
Brand: Techtop Motors
SKU: GR3-AL-TF-71B34-2-B-D-.75
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 GR3-AL-TF-71B34-2-B-D-.75 is an IEC metric three-phase motor with 0.75 HP (559W) output, designed for industrial use. It features a 71B34 frame size, optimized for compact installations while maintaining high torque. The 2-pole design operates at a synchronous speed of 3600 RPM, ideal for applications requiring high-speed performance, such as pumps, fans, compressors, and conveyor systems. Rated for 208-230/460V AC at 60Hz, it is compatible with standard North American industrial power systems. The Totally Enclosed Fan-Cooled (TEFC) design protects internal components from dust, moisture, and debris while ensuring efficient heat dissipation via an external fan. Certified to IE3 efficiency standards, it exceeds typical energy consumption requirements, reducing operational costs and environmental impact. This motor includes a rigid base B14 flange mounting option for versatile installation. Its compact 71B34 frame size (approximately 71mm diameter) allows for space-saving integration while delivering high torque output. Designed for continuous duty cycles, it provides consistent performance under heavy loads, making it suitable for manufacturing, HVAC, and material handling systems. Key applications include centrifugal pumps for fluid transfer, axial/centrifugal fans for ventilation, air compressors for pneumatic systems, and conveyor belt drives in packaging or assembly lines. The 2-pole configuration ensures rapid acceleration and high-speed operation, critical for time-sensitive processes. With NEMA Premium efficiency ratings, it reduces energy waste by up to 20% compared to standard motors, offering long-term cost savings. Compatible with variable frequency drives (VFDs) for speed control, this motor supports energy-saving strategies in variable-load applications. Its construction includes Class F insulation and a cast-iron frame for durability in industrial settings.

0.75 HP (559W) output with IE3 efficiency for energy savings
71B34 frame size with 3600 RPM synchronous speed (2-pole)
Operates on 208-230/460V AC, 60Hz with TEFC enclosure
Rigid base B14 flange mounting for versatile installation
Class F insulation and cast-iron frame for durability

Specifications

M	85 in
N	70 in
P	105 in
S	4-M6 in
T	2.5 in

Frequently Asked Questions

What is the synchronous speed of this motor?

The synchronous speed is 3600 RPM, as it is a 2-pole motor operating at 60Hz.

What voltage range does this motor support?

The motor operates on 208-230/460V AC at 60Hz, compatible with standard industrial power systems.

What does TEFC mean for this motor?

TEFC stands for Totally Enclosed Fan-Cooled, protecting internal components from dust and moisture while dissipating heat via an external fan.

What is the efficiency rating of this motor?

This motor meets IE3 efficiency standards, which are higher than standard IE1 and IE2 classifications.

What mounting options are available for this motor?

The motor includes a rigid base B14 flange mounting option, allowing for versatile installation configurations.

What is the frame size of this motor?

The frame size is 71B34, which is a metric IEC standard size for compact motor designs.

Is this motor suitable for continuous duty operation?

Yes, this motor is designed for continuous duty cycles and can handle heavy loads reliably.

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.