ABB - Installation Products TC721A-FA - Set Screw Connector, Insulated and Concrete Tight, Conduit Size 1/2 Inch, Material Zinc Plated Steel, Color Red, For Fire Alarm Applications
ABB - Installation Products

TC721A-FA

UPC: 785991035797


Documents & Media
Specification SheetManufacturer Product Website

Contact for Pricing

Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Overview

The ABB TC721A-FA Set Screw Connector is a premium-grade, insulated and concrete-tight conduit fitting engineered for critical fire alarm and security applications. Designed by ABB Installation Products, this high-performance connector ensures reliable, long-lasting connections in demanding industrial and commercial environments where fire safety is paramount. Constructed from durable zinc-plated steel, the TC721A-FA delivers superior corrosion resistance and mechanical strength, making it ideal for installations exposed to moisture, chemicals, or harsh conditions. The bright red color provides immediate visual identification, simplifying inspection and maintenance in complex wiring systems. Its insulated design prevents electrical shorts and enhances overall system safety, while the concrete-tight feature guarantees a secure, vibration-resistant fit in concrete-encased installations. Specifically engineered for 1/2-inch conduit, the TC721A-FA is a trusted choice for fire alarm systems, emergency lighting circuits, and other life-safety applications where reliability cannot be compromised. The set screw design allows for quick, tool-assisted installation, reducing labor time while ensuring a tight, permanent connection. With ABB’s reputation for precision engineering and dependable performance, the TC721A-FA is the ideal solution for contractors, engineers, and facility managers seeking a high-quality conduit connector that meets the rigorous demands of fire safety systems. Compatible with standard 1/2-inch trade sizes, this connector integrates seamlessly into existing installations or new construction projects. Its robust construction and compliance with industry standards make it suitable for use in commercial buildings, industrial facilities, hospitals, schools, and other mission-critical environments. Trust ABB Installation Products to deliver the performance, durability, and safety required for your most demanding electrical applications.
  • Zinc-plated steel construction for superior corrosion resistance
  • Insulated design prevents electrical shorts in fire alarm systems
  • Concrete-tight feature ensures secure fit in concrete installations
  • Bright red color for easy identification and inspection
  • Set screw design enables quick, tool-assisted installation

Specifications

Application
For use with EMT Conduit
Color
Red
Connection Type
Set Screw
Material
Zinc Plated Steel
Material
Steel
Material Quality
Steel
Size
1/2 Inch
Special Features
Meets visual identification requirements for fire alarm systems
Standard
UL E16592
Type
EMT Conduit Fittings
Package Dimensions (L x W x H)
6.25 IN x 4.75 IN x 3.25 IN
Package Dimensions (L x W x H)
15.875 cm x 12.065 cm x 8.255 cm
Package Weight (Imperial)
0.090 L
Package Weight (Metric)
0.041 kg
Set Screw Connector, Concrete Tight, Conduit Size 3/4 Inch, Material Zinc Plated Steel, Color Red, For Fire Alarm Applications

TC122A-FA

Set Screw Connector, Concrete Tight, Conduit Size 3/4 Inch, Material Zinc Plated Steel, Color Red, For Fire Alarm Applications
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
Set Screw Connector, Concrete Tight, Conduit Size 1-1/2 Inch, Material Zinc Plated Steel, For use with EMT Conduit

TC125US

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

TK111AN-RT

Compression Coupling, Raintight, Conduit Size 1/2 Inch, Material Zinc Plated Steel, For use with EMT Conduit
Two Hole Strap, Conduit Size 1/2 Inch, Length 2.20 Inches, Width 0.56 Inches, Material Zinc Plated Steel, For use with EMT Conduit

TS 901

Two Hole Strap, Conduit Size 1/2 Inch, Length 2.20 Inches, Width 0.56 Inches, Material Zinc Plated Steel, For use with EMT Conduit

Frequently Asked Questions

What is the purpose of the DBB1 product?

The DBB1 is a Pre-Fab Dual Box Bracket designed to mount both power and low voltage boxes on the same side of a stud, reducing material and labor costs.

What types of boxes does the DBB1 support?

The DBB1 accommodates both 4" and 4 11/16" electrical boxes.

How does the DBB1 improve installation efficiency?

The DBB1 features built-in far side support, stabilizing the box and bracket assembly to ease installation and eliminate the need for extra components.

What are the installation requirements for DBB1?

The DBB1 can be mounted to either side of the stud using self-tapping screws and a screw gun or nails.

Can the DBB1 be used with wood studs?

Yes, the DBB1 can be used with both metal and wood studs.

What is the advantage of using DBB1?

Using the DBB1 can significantly reduce labor and inventory costs by combining multiple functions into one product.

What is the packaging quantity for DBB1?

The DBB1 is packaged in quantities of 50 units per standard carton.

What is the material construction of the DBB1?

The DBB1 is constructed from durable steel, ensuring long-lasting performance and stability.

Does the DBB1 meet any industry codes?

Yes, the DBB1 meets NEC® code requirements for securing and supporting installed MC cable.

What is the UPC number for DBB1?

The UPC number for the DBB1 is 785991-04625.

Frequently Asked Questions about ABB - Installation Products

What technical support does ABB - Installation Products offer?

ABB - Installation Products offers comprehensive technical support through a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services include emergency services, on-site support, remote diagnostics, installation assistance, equipment assessments, and repair coordination. Customers can also access technical resources via email at [email protected].

What are the main product lines offered by ABB - Installation Products?

ABB - Installation Products offers a comprehensive range of electrical distribution and protection solutions, including panelboards like ReliaGear® and ProLine, circuit monitoring systems, softstarters, and modular bus bar systems. Key product lines cover low voltage applications with specialized offerings such as the SMISSLINE TP flexible power distribution bus system, Ekip UP protection and metering relays, and enclosed/open softstarters for industrial and commercial sectors.

What are the key features of ABB - Installation Products products?

ABB - Installation Products feature advanced, user-friendly design elements optimized for industrial applications. Key features include 2-in-1 Push-in Spring connection technology allowing ferruled and rigid cable connections, tool-free mounting, robust vibration and shock-proof design, and front-accessible terminals. The products deliver high connection capacities up to 18.5 kW, support motor starting solutions, provide short-circuit fuseless protection to 100 kA, and enable faster, more intuitive installation with one-hand mounting and automated wiring capabilities.

What environmental ratings do ABB - Installation Products products have?

ABB - Installation Products offer robust environmental ratings across multiple standards, including IP54 to IP66 protection levels and NEMA Type 1 to Type 4X enclosures. These ratings ensure superior protection against dust, water, and corrosion for both indoor and outdoor industrial applications, with certifications that meet stringent environmental performance requirements.

What accessories are available for ABB - Installation Products products?

ABB - Installation Products offers a comprehensive range of accessories designed to enhance functionality and connectivity across industrial control systems. Key accessories include auxiliary contact blocks, signaling contacts, shunt trips, undervoltage releases, electronic timers, interlocks, interface relays, terminal blocks, and connection accessories. These accessories are compatible with SMISSLINE TP plug-in distribution systems and Unifix AD busbar systems, allowing for easy installation and configuration of manual motor starters, circuit breakers, and other electrical components.

What is ABB - Installation Products's warranty policy?

ABB - Installation Products offers a standard 1-year factory warranty for most installation products, with options to extend warranty coverage up to 5 years for specific product lines like low voltage circuit breakers. Extended warranty requires online registration through ABB's Extended Warranty Tool, which verifies product application and provides additional coverage for manufacturing defects and factory-mounted accessories.

What industries and applications are ABB - Installation Products products used for?

ABB - Installation Products serve critical electrical infrastructure needs across diverse industries including Energy, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their products cover essential applications such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems, engineered for high-reliability environments with a strong emphasis on safety, efficiency, and sustainability.

What communication protocols do ABB - Installation Products products support?

ABB - Installation Products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with high-speed data transmission capabilities up to 100 Mbps and support for various network topologies.

How are ABB - Installation Products products typically installed?

ABB - Installation Products are installed through a professional, systematic process emphasizing fast, intuitive wiring and tool-free mounting. Typical installation involves precise equipment verification, secure electrical connections, and comprehensive testing, including foundation frame assessment, busbar and cable connections, earthing system establishment, and thorough pre-commissioning functional tests to ensure optimal performance and reliability.

What certifications and standards do ABB - Installation Products products comply with?

ABB - Installation Products products meet rigorous international certifications including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products comply with critical standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, ensuring high performance and reliability across industrial installation applications.