ABB - Installation Products TK121US - Set Screw Coupling, Concrete Tight, Conduit Size 1/2 Inch, Material Zinc Plated Steel, For use with EMT Conduit
ABB - Installation Products

TK121US

UPC: 785991050707


Documents & Media
Specification SheetManufacturer Product Website

Contact for Pricing

Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Overview

The ABB TK121US Set Screw Coupling is a robust component meticulously engineered for 1/2-inch EMT (Electrical Metallic Tubing) conduit systems. Constructed from durable zinc-plated steel, this coupling is designed to provide a secure and concrete-tight connection, a critical feature for ensuring the integrity and reliability of electrical installations, particularly in environments where concrete encasement is required. The zinc plating not only enhances the aesthetic appeal but also offers significant corrosion resistance, making the TK121US an ideal choice for applications exposed to harsh industrial conditions and the elements in outdoor settings. Its design prioritizes ease of installation; the integrated set screw mechanism allows for a firm and reliable attachment of the EMT conduit without the need for specialized tools, streamlining the contractor's workflow. This product adheres to relevant industry standards for electrical conduit systems, signifying its quality and dependable performance. As a member of ABB's comprehensive installation product portfolio, the TK121US benefits from ABB's commitment to delivering consistent quality and performance across its product lines, offering contractors and industrial professionals a trustworthy solution for their conduit connection needs.
  • Designed for 1/2-inch EMT conduit
  • Zinc-plated steel for corrosion resistance
  • Concrete-tight set screw coupling
  • Compatible with ABB installation products
  • Meets industry safety and performance standards

Specifications

Application
For use with EMT Conduit
Connection Type
Set Screw
Finish
Zinc Plated
Material
Zinc Plated Steel
Material
Steel
Material Quality
Steel
Size
1/2 Inch
Special Features
Steel construction for strength and durability
Standard
UL E16592
Type
EMT Conduit Fittings
Package Dimensions (L x W x H)
5 IN x 6 IN x 3.5 IN
Package Dimensions (L x W x H)
12.7 cm x 15.24 cm x 8.89 cm
Package Weight (Imperial)
0.080 L
Package Weight (Metric)
0.036 kg
Set Screw Coupling, Concrete Tight, Conduit Size 3-1/2 Inches, Length 4.687 Inches, Material Zinc Plated Steel, For use with EMT Conduit

TK129A

Set Screw Coupling, Concrete Tight, Conduit Size 3-1/2 Inches, Length 4.687 Inches, Material Zinc Plated Steel, For use with EMT Conduit
Connector, Set Screw, Steel, Insulated Throat, Size 2-1/2 Inch

236-I

Connector, Set Screw, Steel, Insulated Throat, Size 2-1/2 Inch
Set Screw Connector, Insulated and Concrete Tight, Conduit Size 3/4 Inch, Material Zinc Plated Steel, For use with EMT Conduit

TC722US

Set Screw Connector, Insulated and Concrete Tight, Conduit Size 3/4 Inch, Material Zinc Plated Steel, For use with EMT Conduit
Set Screw Connector, Insulated and Concrete Tight, Conduit Size 2 Inches, Material Zinc Plated Steel, For use with EMT Conduit

TC726US

Set Screw Connector, Insulated and Concrete Tight, Conduit Size 2 Inches, Material Zinc Plated Steel, For use with EMT Conduit
Compression Connector, Insulated and Concrete Tight, Conduit Size 1-1/2 Inch, Length 1.540 Inches, Material Zinc Plated Steel, For use with EMT Conduit

TC715US

Compression Connector, Insulated and Concrete Tight, Conduit Size 1-1/2 Inch, Length 1.540 Inches, Material Zinc Plated Steel, For use with EMT Conduit
Set Screw Connector, Insulated and Concrete Tight, Conduit Size 1 Inch, Material Zinc Plated Steel, For use with EMT Conduit

TC723US

Set Screw Connector, Insulated and Concrete Tight, Conduit Size 1 Inch, Material Zinc Plated Steel, For use with EMT Conduit
Set Screw Connector, Insulated and Concrete Tight, Conduit Size 1-1/2 Inch, Material Zinc Plated Steel, For use with EMT Conduit

TC725US

Set Screw Connector, Insulated and Concrete Tight, Conduit Size 1-1/2 Inch, Material Zinc Plated Steel, For use with EMT Conduit
Compression Connector, Insulated and Concrete Tight, Conduit Size 3-1/2 Inches, Length 3.970 Inches, Material Zinc Plated Steel, For use with EMT Conduit

TC719US

Compression Connector, Insulated and Concrete Tight, Conduit Size 3-1/2 Inches, Length 3.970 Inches, Material Zinc Plated Steel, For use with EMT Conduit

Frequently Asked Questions

Does the fitting provide positive grounding?

Yes, the TK121US fitting provides positive grounding.

What certifications does this product have?

The product is UL Listed and CSA Certified.

Is the TK121US fitting corrosion-resistant?

Yes, it features corrosion-resistant, zinc-chromatic plating.

When is a sealing ring required for installation?

A sealing ring is required when the fitting is used outside, on the top, and on the sides of an enclosure.

Are there any warnings for installation torque?

Yes, excessive torque could damage the EMT or the housing of the fitting.

What is the recommended torque for installation?

Apply 35 in-lbs of torque onto the EMT during installation.

How does TK121US simplify visual inspection?

It features a distinct design and a vibrant gold gland nut, allowing inspectors to visually check conformance from a distance.

What type of product is TK121US?

The TK121US is an electrical metallic tubing (EMT) compression fitting from ABB Installation Products.

What type of product is TK121US?

The TK121US is an electrical metallic tubing (EMT) compression fitting from ABB Installation Products.

What certifications does this product have?

The product is UL Listed and CSA Certified.

Frequently Asked Questions about ABB - Installation Products

How are Thomas and Betts products typically installed?

Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.

What accessories are available for Thomas and Betts products?

Thomas and Betts offers a comprehensive range of accessories for their products, including various cord and cable fittings, non-metallic cable glands, service entrance cable fittings, and armored cable fittings. Their accessories are designed to enhance installation efficiency and ensure compatibility with different cable types and environmental conditions, providing reliable connections for a wide array of applications.

What environmental ratings do Thomas and Betts products have?

Thomas and Betts products feature robust environmental ratings, including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. These ratings ensure that their products are designed to withstand harsh industrial environments, with capabilities to resist dust, water, and corrosion, and operate effectively in a wide temperature range.

What communication protocols do Thomas and Betts products support?

Thomas and Betts products support a wide range of industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, and others. This extensive compatibility ensures seamless integration and reliable communication across various industrial automation systems, catering to diverse application needs.

What are the key features of Thomas and Betts products?

Thomas and Betts products are known for their innovative designs, high performance, and compliance with industry standards such as the National Electrical Code and Underwriters' Laboratories. They offer a comprehensive range of rugged and reliable electrical fittings, including liquidtight and dust-tight connections, which enhance installation efficiency and reduce overall project costs. Their products are engineered for durability in harsh environments, ensuring long-term reliability and lower installed costs.

What are the main product lines offered by Thomas and Betts?

Thomas and Betts offers a comprehensive range of product lines including electrical connectors, cable management systems, grounding and bonding solutions, and industrial automation components. Their products are designed for durability and reliability in demanding industrial environments, ensuring optimal performance and safety across various applications.

What technical support does Thomas and Betts offer?

Thomas and Betts offers comprehensive technical support, including access to field application engineers for onsite training and installation assistance. Their technical support staff is available to address inquiries related to product specifications and installation practices, ensuring optimal performance and safety of electrical systems. Additionally, they provide a variety of training programs to enhance the knowledge and skills of users in the field.

What industries and applications are Thomas and Betts products used for?

Thomas and Betts products are utilized across various industries including electrical construction, industrial automation, telecommunications, and utilities. Their extensive range of cord and cable fittings, electrical boxes, and metal framing systems are designed for applications that require durability and reliability in harsh environments, ensuring optimal performance in both permanent and temporary installations.

What certifications and standards do Thomas and Betts products comply with?

Thomas and Betts products comply with critical international certifications including UL (Underwriters Laboratories), CSA (Canadian Standards Association), and CE (European Community). Our products are designed to meet rigorous industrial standards such as NEMA enclosure ratings and IEC 60529 IP ratings, ensuring safety and reliability across various industrial applications.

What are the main product lines offered by Ocal?

Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.