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Techtop Motors GR3-AL-TF-71B3-4-B-D-.75 - TechTop GR3-AL-TF-71B3-4-B-D-.75 — 0.75 HP Metric IEC Three Phase motor, 71B3 frame, 4 POLE (1800), 230/460V 60HZ, 230/460 50HZ, TEFC, IE3 - NEMA Premium

Techtop Motors GR3-AL-TF-71B3-4-B-D-.75 TechTop GR3-AL-TF-71B3-4-B-D-.75 — 0.75 HP Metric IEC Three Phase motor, 71B3 frame, 4…


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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-71B3-4-B-D-.75 is a 0.75 horsepower (HP) three-phase industrial motor designed to meet IEC standards. This motor features a 71B3 frame size and operates with 4 poles, delivering a synchronous speed of 1800 RPM. It is built for efficiency, boasting an IE3 energy efficiency level, aligning with NEMA Premium standards. The motor is configured for Totally Enclosed Fan Cooled (TEFC) operation, ensuring effective heat dissipation and reliable performance in various industrial settings. It is rated for dual voltage operation, supporting 230/460V at 60Hz and 230/460V at 50Hz. The model number GR3-AL-TF-71B3-4-B-D-.75 specifically indicates a rigid base mounting with a B3 configuration. This motor is suitable for a wide range of applications requiring dependable three-phase power, including pumps, fans, conveyors, and general machinery. Its robust construction and adherence to international standards make it a reliable choice for demanding industrial environments. Manufacturer: Techtop Motors. SKU: GR3-AL-TF-71B3-4-B-D-.75.
  • 0.75 horsepower (HP) three-phase industrial motor
  • IEC standard compliance with 71B3 frame size
  • 4-pole configuration for 1800 RPM synchronous speed
  • IE3 energy efficiency level (NEMA Premium)
  • Totally Enclosed Fan Cooled (TEFC) design for reliable operation
  • Dual voltage rating: 230/460V at 60Hz and 230/460V at 50Hz
  • Rigid base mounting with B3 configuration

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
G
11 in
H
71 in
K
7 in
L
274 in
SS
M5 in
TBH
120 in
TBW
147 in

Frequently Asked Questions

What is the rated motor output power and frame size?

The rated motor output power is 0.75 HP and the frame size is 71.

What are the available rated motor voltages and frequencies?

The rated motor voltage is 208-230|460-60 Volts at 3 Phase.

What is the rated motor speed and enclosure type?

The rated motor speed is 1720 r/min and the enclosure type is TEFC.

What is the service factor and IP rating of the motor?

The service factor is 1.15 and the IP rating is 55.

What is the nominal efficiency and power factor?

The nominal efficiency is 81.5% and the nominal power factor is 0.68 cosθ.

What is the full load torque and insulation class?

The full load torque is 2.28656 Ft-Lb and the insulation class is F.

What is the temperature rise at full load and rated ambient temperature?

The temperature rise at full load is 21.1 °C and the rated ambient temperature is 40 °C.

What are the hazardous location classifications for this motor?

The motor is classified for Class 1, Div 2, Grp A,B,C,D hazardous locations.

What type of bearings are used in this motor?

The motor uses 6202ZZ bearings on both the DE and NDE sides.

Does this motor have tropicalization and what is the duty cycle?

Yes, the motor has tropicalization and is rated for continuous duty (Cont.).

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.