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ABB - Installation Products TK 221 SC - Coupling, Set Screw, Conduit Size 1/2 Inch, Length 1-33/64 Inch, Width 59/64 Inch, Die Cast Zinc

ABB Installation Products TK 221 SC Coupling, Set Screw, Conduit Size 1/2 Inch, Length 1-33/64 Inch, Width 59/64 Inch, Die…

UPC: 785991441901


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Overview

The ABB TK 221 SC Set Screw Coupling is a precision-engineered connector designed for 1/2 inch electrical conduit systems, ensuring reliable performance in industrial, commercial, and infrastructure applications. Manufactured from die-cast zinc, it delivers superior corrosion resistance and mechanical strength, making it ideal for harsh or corrosive environments. The set screw design provides a secure, vibration-resistant connection, preventing conduit loosening or misalignment during operation, which is critical in dynamic or high-vibration settings. With a length of 1-33/64 inches and a width of 59/64 inches, it conforms precisely to standard 1/2 inch conduit specifications, ensuring compatibility with EMT, IMC, and rigid conduit systems. This coupling meets industry standards for both electrical and mechanical performance, guaranteeing dependable installation in electrical wiring, mechanical assemblies, and building infrastructure. The zinc construction resists rust and wear, significantly extending service life in exposed or corrosive conditions, while its robust design ensures long-term reliability in demanding applications.
  • Set screw design ensures vibration-resistant conduit connections
  • Die-cast zinc construction resists corrosion and wear
  • Dimensions: 1-33/64" length, 59/64" width for 1/2" conduit
  • Compatible with EMT, IMC, and rigid conduit systems
  • Manufactured by ABB Installation Products, US-made

Specifications

Application
For use with EMT Conduit
Connection Type
Set Screw
Material
Zinc Die Cast
Material
Die Cast Zinc
Material Quality
Zinc Die Cast
Series
TK
Series
TK 221
Series
TK 221 SC
Size
1/2 Inch
Size
1/2 Inch Conduit
Size
Length 1-33/64 in, Width 59/64 in, Conduit Size 1/2 in
Size
Conduit Size 1/2 Inch
Size
Length 1-33/64 in, Width 59/64 in
Special Features
Concrete Tight, when Taped
Standard
UL E16592
Type
EMT Conduit Fittings
Package Dimensions (L x W x H)
8 IN x 4.75 IN x 3.25 IN
Package Dimensions (L x W x H)
20.32 cm x 12.065 cm x 8.255 cm
Package Weight (Imperial)
0.060 L
Package Weight (Metric)
0.027 kg
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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.