Authorized Techtop Motors Distributor
Techtop Motors GR3-AL-TF-71B34-4-B-D-.5 - TechTop GR3-AL-TF-71B34-4-B-D-.5 — 0.5 HP Metric IEC Three Phase motor, 71B34 frame, 4 POLE (1800), 208-230/460V 60HZ, TEFC, IE3 - NEMA Premium

Techtop Motors GR3-AL-TF-71B34-4-B-D-.5 TechTop GR3-AL-TF-71B34-4-B-D-.5 — 0.5 HP Metric IEC Three Phase motor, 71B34 frame, 4…


Documents & Media
3D CAD Model (STEP)Specification SheetManufacturer 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-71B34-4-B-D-.5 is a high-efficiency (IE3) three-phase metric IEC motor designed for industrial applications requiring reliable, energy-efficient operation. Built to the 71B34 frame size, this 0.5 HP motor delivers synchronous speed of 1800 RPM at 60Hz, making it ideal for pumps, fans, conveyors, and other constant-speed applications. The motor operates on dual-voltage input (208-230/460V AC), providing flexibility for integration into existing systems without requiring additional transformers or rewiring. With Totally Enclosed Fan-Cooled (TEFC) construction, the GR3-AL-TF-71B34-4-B-D-.5 is protected against dust and moisture ingress, ensuring long-term durability in harsh industrial environments. The NEMA Premium efficiency rating exceeds standard efficiency levels, reducing energy consumption and operating costs by up to 15% compared to standard motors. This motor is UL/CSA certified, meeting North American safety standards for industrial equipment. The rigid base B14 flange mounting configuration allows for easy installation on machinery or equipment, while the compact 71B34 frame size enables space-efficient integration. Designed for continuous duty cycles, the GR3-AL-TF-71B34-4-B-D-.5 is optimized for applications where reliability and energy savings are critical. Compatible with variable frequency drives (VFDs) for speed control, this motor supports modern automation systems while maintaining high performance. The motor's 4-pole design ensures stable operation at 1800 RPM, suitable for most industrial machinery requiring moderate torque and speed. With a robust construction and compliance with international standards, the TechTop GR3-AL-TF-71B34-4-B-D-.5 is a cost-effective solution for upgrading existing systems or specifying new installations where efficiency and reliability are prioritized.
  • 0.5 HP (373W) three-phase metric IEC motor with IE3 efficiency rating
  • Dual-voltage operation: 208-230/460V AC, 60Hz, 4-pole (1800 RPM synchronous speed)
  • Totally Enclosed Fan-Cooled (TEFC) construction for dust and moisture protection
  • 71B34 frame size with rigid base B14 flange mounting for compact installation
  • UL/CSA certified, NEMA Premium efficiency for energy savings and compliance

Specifications

Frequency
60 Hz
M
85 in
N
70 in
Nema Rating
NEMA Premium
P
105 in
Poles
4
S
4-M6 in
Series
GR3-AL-TF
Size
71B34 frame
T
2.5 in
Voltage Rating
208-230/460 V

Frequently Asked Questions

What is the synchronous speed of this motor?

The motor has a synchronous speed of 1800 RPM at 60Hz.

What voltage range does this motor support?

The motor operates on 208-230/460V AC, 60Hz input voltage.

What does TEFC mean for this motor?

TEFC stands for Totally Enclosed Fan-Cooled, protecting the motor from dust and moisture.

What is the efficiency rating of this motor?

The motor meets IE3 efficiency standards, which are higher than standard efficiency levels.

What mounting options are available for this motor?

The motor is available with rigid base B14 flange mounting configuration.

Is this motor certified for North American markets?

Yes, the motor is UL/CSA certified, meeting North American safety standards.

Is this motor suitable for variable frequency drive (VFD) use?

Yes, the motor is designed for continuous duty and compatible with VFDs for speed control.

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.