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Techtop Motors GR3-CI-TF-143T-2-B-F-1.5 - TechTop GR3-CI-TF-143T-2-B-F-1.5 — 1.5 HP (GR3) Three Phase Cast Iron motor, 143T frame, 2 POLE (3600), 575V 60HZ, TEFC, IE3 - NEMA Premium
Techtop Motors

GR3-CI-TF-143T-2-B-F-1.5


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Overview

The Techtop GR3-CI-TF-143T-2-B-F-1.5 is a premium 1.5 HP, three-phase, 575V, 60Hz TEFC (Totally Enclosed Fan Cooled) cast iron motor designed for industrial applications requiring high efficiency and reliability. This NEMA Premium IE3 motor delivers 84% nominal efficiency, exceeding DOE standards for energy savings and operational cost reduction. With a 143T frame size, it fits standard NEMA mounting dimensions and is optimized for 3600 RPM operation at full load. Key electrical specifications include a rated current of 1.63A at 575V, a service factor of 1.25, and a locked rotor current of 8.6A. The motor features Class F insulation with a temperature rise of 45.5°C at full load, ensuring robust thermal performance in demanding environments. Its tropicalized design provides corrosion resistance, making it suitable for harsh industrial conditions, including Class 1, Division 2 hazardous locations. Mechanically, the GR3-CI-TF-143T-2-B-F-1.5 is built with 6205ZZ sealed ball bearings on both the drive end (DE) and non-drive end (NDE) sides, ensuring long service life and minimal maintenance. The motor includes a 1.25-inch removable cable entry and is coated with 7024 graphite grey paint for enhanced durability. Certified to UL, CSA, and DOE standards, this motor is ideal for applications in pumps, fans, compressors, and conveyor systems where reliability and energy efficiency are critical. The 9-lead dual-voltage wiring configuration allows flexible installation in 230V or 460V systems, though the GR3-CI-TF-143T-2-B-F-1.5 is optimized for 575V operation. With a weight of 41.8 lbs and a robust cast iron construction, this motor combines durability with high performance, making it a cost-effective choice for industrial OEMs and end-users seeking NEMA Premium efficiency and compliance with modern energy regulations.
  • 1.5 HP, 3-phase, 575V, 60Hz TEFC cast iron motor
  • 84% nominal efficiency (IE3, NEMA Premium compliant)
  • 143T frame size with 3600 RPM rated speed
  • Class F insulation, 1.25 service factor, tropicalized design
  • UL, CSA, and DOE certified; suitable for Class 1 Div 2 hazardous locations

Frequently Asked Questions

What is the rated speed of the GR3-CI-TF-143T-2-B-F-1.5 motor?

The rated speed is 3500 RPM at full load.

What is the service factor of this motor?

The service factor is 1.25, allowing temporary overload operation.

Is this motor suitable for hazardous locations?

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

What is the insulation class of the GR3-CI-TF-143T-2-B-F-1.5?

The insulation class is F, with a temperature rise of 45.5°C at full load.

What type of bearings does this motor use?

The motor uses 6205ZZ sealed ball bearings on both the drive end and non-drive end sides.

What is the cable entry size for this motor?

The motor features a 1.25-inch removable cable entry.

What certifications does this motor have?

The motor is UL, CSA, and DOE certified.

What is the weight of the GR3-CI-TF-143T-2-B-F-1.5 motor?

The approximate weight is 41.8 lbs.

What is the efficiency level of this motor?

The nominal efficiency is 84%, meeting IE3 NEMA Premium standards.

What is the rated ambient temperature for this motor?

The rated ambient temperature is 40°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.