Techtop Motors GR3-CI-TF-225MB3-4-BR-D-75 TechTop GR3-CI-TF-225MB3-4-BR-D-75 — 75 HP Metric IEC Three Phase motor, 225MB3 frame, 4…

Name: Techtop GR3-CI-TF-225MB3-4-BR-D-75 75 HP IEC 3-phase TEFC motor, 230/460V, IE3, UL/CSA certified.
Brand: Techtop Motors
SKU: GR3-CI-TF-225MB3-4-BR-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-CI-TF-225MB3-4-BR-D-75 is a high-efficiency, IEC metric three-phase induction motor designed for industrial applications requiring reliable, high-performance operation. This 75 HP motor features a 225MB3 frame size, 4-pole configuration (1800 RPM synchronous speed), and dual-voltage capability (230/460V at 60Hz or 230/460V at 50Hz), making it ideal for global installations. With a NEMA Premium efficiency rating of 95.4% and a service factor of 1.15, this Totally Enclosed Fan-Cooled (TEFC) motor delivers consistent power output while minimizing energy consumption and operational costs. Built for demanding environments, the GR3-CI-TF-225MB3-4-BR-D-75 includes Class F insulation and tropicalization for enhanced durability in harsh conditions. Its robust construction features a graphite grey 7024 coating, IP55 rating for dust and water ingress protection, and Class 1, Division 2, Groups A-D hazardous location certification. The motor is equipped with 6313 C3 bearings on both the drive end (DE) and non-drive end (NDE) sides, ensuring long service life under continuous duty cycles. Designed for versatility, this motor supports 12-lead IEC wiring configurations, allowing for flexible voltage and connection options. It operates efficiently at altitudes up to 1000 meters and ambient temperatures up to 40°C, with a temperature rise of 62.5°C at full load. The motor's locked rotor torque of 328% and breakdown torque of 297% provide exceptional starting and overload capabilities, while the pull-up torque of 165% ensures stable operation under varying load conditions. Certified by UL, CSA, and DOE, the GR3-CI-TF-225MB3-4-BR-D-75 meets stringent safety and performance standards. Its compact 225 frame size and removable feet design facilitate easy installation in tight spaces, while the M50 x 1.5 cable entry ensures secure and organized wiring. With a weight of 829.4 lbs, this motor is engineered for heavy-duty applications in industries such as manufacturing, oil and gas, water treatment, and material handling, where reliability and efficiency are critical.

75 HP, 225MB3 frame, 4-pole (1800 RPM) IEC metric motor
Dual-voltage operation: 230/460V at 60Hz or 50Hz
NEMA Premium efficiency: 95.4%, IE3 compliant
TEFC enclosure with IP55 rating and Class 1 Div 2 hazardous location certification
UL, CSA, and DOE certified with 12-lead IEC wiring for flexible configurations

Frequently Asked Questions

What is the rated speed of the GR3-CI-TF-225MB3-4-BR-D-75?

The rated speed is 1780 RPM at full load.

What is the service factor of this motor?

The service factor is 1.15, allowing for temporary overloads.

Is this motor suitable for hazardous locations?

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

What type of enclosure does this motor have?

The motor features a Totally Enclosed Fan-Cooled (TEFC) enclosure with IP55 rating.

What is the efficiency level of this motor?

The nominal efficiency is 95.4%, meeting NEMA Premium (IE3) standards.

What certifications does this motor have?

The motor is UL, CSA, and DOE certified.

What is the rated ambient temperature for this motor?

The rated ambient temperature is 40°C.

What is the cable entry size for this motor?

The cable entry size is M50 x 1.5.

What is the weight of the GR3-CI-TF-225MB3-4-BR-D-75?

The approximate weight is 829.4 lbs.

Does this motor support variable frequency drive (VFD) operation?

The catalog lists a 'CT VFD Range' but does not specify exact VFD compatibility; consult Techtop for VFD pairing.

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.