Techtop Motors GR3-CI-TF-256JM-4-BR-D-20 TechTop GR3-CI-TF-256JM-4-BR-D-20 — 20 HP Premium JM-JP motor, 256JM frame, 4 POLE…

Name: Techtop 20 HP IE3 NEMA Premium TEFC Motor, 256JM Frame, 4 Pole, 230/460V
Brand: Techtop Motors
SKU: GR3-CI-TF-256JM-4-BR-D-20
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-256JM-4-BR-D-20 is a 20 HP, 4-pole (1800 RPM) electric motor designed for industrial applications requiring high efficiency and reliability. This motor features a NEMA Premium IE3 efficiency rating, ensuring reduced energy consumption and operational costs. Its Totally Enclosed Fan Cooled (TEFC) enclosure provides robust protection against dust and moisture, with an IP55 rating, making it suitable for demanding environments. The motor operates on dual voltage ratings of 230/460V at 60Hz and 230/460V at 50Hz, offering flexibility in power supply configurations. Key specifications include a 256JM frame size, NEMA Design B characteristics, and an Insulation Class F rating. The motor delivers a full load torque of 71.84 ft-lbs and has a service factor of 1.25, indicating its capability to handle overloads. The nominal efficiency is 93%, with a power factor of 0.86 cosθ. It is designed for continuous duty and can operate in ambient temperatures up to 40°C at altitudes up to 1000 meters. The motor is also rated for Class 1, Division 2, Group A, B, C, D hazardous locations, enhancing its versatility. Certifications include UL, CSA, and DOE compliance. The motor features a graphite grey (7024) coating for added protection and has a removable cable entry for ease of installation. The bearings are specified as 6309 C3 for both the Drive End (DE) and Non-Drive End (NDE) sides. This motor is ideal for applications such as pumps, fans, compressors, and conveyors where dependable, energy-efficient power is critical. Manufacturer part number is TFC256T20U4B. SKU: GR3-CI-TF-256JM-4-BR-D-20.

20 HP Rated Motor Output Power
NEMA Premium IE3 Efficiency Level
TEFC (Totally Enclosed Fan Cooled) Enclosure with IP55 Rating
256JM Frame Size, 4 Pole (1800 RPM)
Dual Voltage: 230/460V at 60Hz and 50Hz

Specifications

Color	Blue
Frequency	60 Hz / 50 Hz
IP Rating	IP55
Material	Cast Iron
Mounting Type	TEFC
Nema Rating	NEMA Premium
Poles	4 POLE (1800)
Series	GR3-CI-TF
Size	256JM
Voltage Rating	230/460 V

Frequently Asked Questions

What is the rated motor output power for this model?

The rated motor output power for the GR3-CI-TF-256JM-4-BR-D-20-230|460-60 is 20 HP.

What are the available rated motor voltages?

The rated motor voltages are 230V and 460-60V for 3-phase operation.

What is the frame size of this motor?

The frame size for this motor is 256.

What is the enclosure type of the motor?

The motor features a TEFC (Totally Enclosed Fan Cooled) enclosure.

What is the approximate weight of the motor?

The approximate weight of this motor is 348 lbs.

What is the service factor of the motor?

The service factor for this motor is 1.25.

What is the IP rating of the motor enclosure?

The motor has an IP rating of 55.

What insulation class does this motor use?

This motor utilizes Insulation Class F.

Does this motor have tropicalization?

Yes, this motor is equipped with tropicalization.

What is the duty cycle of the motor?

The motor is designed for continuous duty.

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.