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Techtop Motors XR3-CI-TF-256TC-2-BR-D-20 - TechTop XR3-CI-TF-256TC-2-BR-D-20 — 20 HP (GR3) Three Phase Cast Iron motor, 256TC frame, 2 POLE (3600), 200 60HZ, 230/460 60HZ, 190/380, TEFC, IE4 - Super Premium

Techtop Motors XR3-CI-TF-256TC-2-BR-D-20 TechTop XR3-CI-TF-256TC-2-BR-D-20 — 20 HP (GR3) Three Phase Cast Iron motor, 256TC…

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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

Techtop Motors XR3-CI-TF-256TC-2-BR-D-20 is a 20 HP, three-phase, totally enclosed fan-cooled (TEFC) cast iron motor designed for heavy-duty industrial applications. This 256TC frame motor operates at 3600 RPM (2-pole) with dual-voltage compatibility (230/460V, 60Hz or 190/380V, 50Hz), ensuring global compatibility for OEMs and system integrators. Key electrical specifications include a rated current of 53.5/26.75 Amps (high/low voltage), a locked rotor current of 208.3% of full load, and a breakdown torque of 284% of rated torque. The motor achieves 91.9% nominal efficiency (IE4 - Super Premium), meeting DOE and NEMA Premium standards for energy savings. With a service factor of 1.0 and a temperature rise of 63.4°C at full load, this motor delivers consistent performance under continuous duty conditions. Mechanical features include 6309 C3 bearings on both drive-end (DE) and non-drive-end (NDE) sides, a removable foot for flexible mounting, and a 1.25-inch cable entry. The motor is certified for Class 1, Division 2, Groups A-D hazardous locations, ensuring safety in explosive atmospheres. Weighing 276.2 lbs, the XR3-CI-TF-256TC-2-BR-D-20 is built for heavy-duty industrial use, including pumps, fans, compressors, and material handling systems. The 12-lead dual-voltage wiring configuration allows for flexible installation across different power systems. With a noise level measured per NEMA standards, this motor minimizes operational disruption in noise-sensitive environments.
  • 20 HP, 256TC frame, 3600 RPM (2-pole) TEFC cast iron motor
  • Dual-voltage compatibility: 230/460V (60Hz) or 190/380V (50Hz)
  • Class 1, Division 2, Groups A-D hazardous location certified
  • TEFC enclosure (IP55) with Class H insulation and tropicalization for harsh environments
  • UL/CSA certified, Class 1 Div 2 hazardous location rated, 276.2 lbs

Specifications

2E
10 in
A
12.4 in
AA
1 1/4 in
AB
8.82 in
AJ
7.25 in
AK
12.5 in
BA
4.25 in
BB
0.25 in
BF
4 x 1/2 in
Color
Brown
Connection Type
12-lead dual-voltage
Current Rating
53.5/26.75 A (high/low voltage)
D
6.25 in
E
5 in
ES
2.91 in
F1
10.25 in
F2
12 in
Frequency
60 Hz (or 50 Hz)
H
0.83 in
IP Rating
IP55
Material
Cast Iron
Mounting Type
Removable foot
N-W
4 in
O
12.5 in
P
12.4 in
Poles
2
R
1.416 in
S
0.375 in
Series
XR3-CI-TF
Size
256TC
U
1.625 in
Voltage Rating
230/460 VAC (60Hz) or 190/380 VAC (50Hz)

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.