Techtop Motors

SD3-256T-2-BR-E-20

Name: Techtop SD3-256T-2-BR-E-20: 20 HP Severe Duty IEEE 841 Motor, 256T Frame, 2 Pole, 460V, TEFC, IE3
Brand: Techtop Motors
SKU: SD3-256T-2-BR-E-20
Availability: InStock

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Overview

Introducing the Techtop SD3-256T-2-BR-E-20, a robust 20 HP Severe Duty motor engineered to meet IEEE 841 standards. This motor features a 256T frame size and operates with 2 poles, delivering 3600 RPM at 460V and 60Hz. Designed for demanding industrial applications, it boasts a Totally Enclosed Fan Cooled (TEFC) enclosure, ensuring reliable operation in harsh environments. The motor achieves an IE3 - NEMA Premium efficiency level, with a nominal efficiency of 93% and a power factor of 0.86 cosθ. Its service factor is 1.25, and it operates with an insulation class of H, providing excellent thermal resistance. The IP rating is 55, offering protection against dust and water ingress. Key mechanical specifications include a 256 frame size, NEMA Design B, and tropicalization for extended service life. The motor is equipped with 63092RS bearings on both the DE and NDE sides. It is suitable for hazardous locations, Class 1, Div 2, Groups A, B, C, and D. The Techtop SD3-256T-2-BR-E-20 is built for continuous duty and includes features like shaft grounding. This motor is UL and CSA certified, with file numbers 323353 and 224693 respectively. It supports dual voltage operation (230/460V) and features a 12-lead wiring configuration for 3-phase power. The motor's full load torque is 71.84 Ft-Lb, with a temperature rise of 50.6°C at full load. This model is ideal for applications requiring high reliability and energy efficiency in challenging industrial settings. Manufacturer SKU: SD3-256T-2-BR-E-20. UNSPSC Code: 26101112.

20 HP Severe Duty motor meeting IEEE 841 standards
256T frame size, 2 pole (3600 RPM), 460V, 60Hz
TEFC (Totally Enclosed Fan Cooled) enclosure for harsh environments
IE3 - NEMA Premium efficiency (93% nominal efficiency)
IP55 rated for dust and water protection, suitable for Class 1, Div 2 hazardous locations

Specifications

2E	10 in
A	12.4 in
AA	1 1/4 in
AB	8.82 in
BA	4.25 in
C	25.8 in
Color	Blue
D	6.25 in
E	5 in
ES	2.91 in
F1	10.25 in
F2	12 in
Frequency	60 Hz
H	0.83 in
Material	Poly
N-W	4 in
Nema Rating	Type 4X
O	12.5 in
P	12.4 in
Poles	2
R	1.416 in
S	0.375 in
Series	SD3
Size	256T
U	1.625 in
Voltage Rating	460 V

Frequently Asked Questions

What is the power rating of the Techtop SD3-256T-2-BR-E-20 motor?

The Techtop SD3-256T-2-BR-E-20 motor has a rated output power of 20 HP.

What frame size does this Techtop motor use?

This Techtop motor utilizes a 256T frame size.

What is the operating voltage and frequency for this motor?

The motor operates at 460V and 60Hz.

What type of enclosure does the SD3-256T-2-BR-E-20 motor have?

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

What is the efficiency level of this Techtop motor?

This motor is rated IE3 - NEMA Premium, with a nominal efficiency of 93%.

Does this motor meet IEEE 841 standards?

Yes, the Techtop SD3-256T-2-BR-E-20 is a Severe Duty motor engineered to meet IEEE 841 standards.

What is the IP rating of this motor?

The motor has an IP rating of 55, providing protection against dust and water ingress.

Is this motor suitable for hazardous locations?

Yes, this motor is suitable for hazardous locations, specifically Class 1, Div 2, Groups A, B, C, and D.

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.