ABB - Installation Products 146-TB - 2 Inch Steel Locknut for Use With Rigid/IMC Conduit
ABB - Installation Products

146-TB

UPC: 786210001463


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Minimum Qty: 25

Multiplier: 25

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Overview

The ABB 146-TB 2 Inch Steel Locknut is a precision-engineered component designed for secure conduit installations in industrial and commercial electrical systems. Manufactured from durable steel, this locknut ensures reliable mechanical retention and grounding for Rigid and Intermediate Metal Conduit (IMC) systems. Its 2-inch size matches standard conduit diameters, providing a tight, vibration-resistant fit that prevents loosening over time. Ideal for use in harsh environments where electrical safety and system integrity are critical, this locknut meets industry standards for conduit termination. The steel construction offers superior strength compared to aluminum alternatives, resisting corrosion and maintaining consistent performance in high-load applications. Compatible with both Rigid and IMC conduit types, the 146-TB simplifies installation by eliminating the need for additional grounding components in many configurations. Trust ABB’s legacy of industrial-grade electrical solutions to deliver dependable performance in your next project.
  • 2-inch steel locknut for Rigid and Intermediate Metal Conduit (IMC)
  • Steel construction for superior strength and corrosion resistance
  • Ensures secure mechanical retention and grounding in conduit systems
  • Compatible with standard 2-inch conduit diameters
  • ABB 146-TB SKU for reliable industrial electrical installations

Specifications

Application
To Connect Externally Threaded Conduit or Connector to a Threadless Opening In a Box or Enclosure
Material of Construction
Steel
Special Features
Hardened Steel, Malleable Iron, Copper-Free Aluminum Construction
Standard
UL E23018, CSA
Thread Size
2 in
Type
Locknuts
Package Dimensions (L x W x H)
4 IN x 4.5 IN x 6 IN
Package Dimensions (L x W x H)
10.16 cm x 11.43 cm x 15.24 cm
Package Weight (Imperial)
0.1100 L
Package Weight (Metric)
0.0500 kg

Frequently Asked Questions

What material is the 146-TB locknut made from?

The locknut is constructed from steel for durability and corrosion resistance.

What size conduit does this locknut fit?

The locknut is sized for 2-inch diameter conduit systems.

What conduit types is this locknut compatible with?

This locknut is designed for use with Rigid and Intermediate Metal Conduit (IMC) systems.

Does this locknut provide grounding?

Yes, the steel construction ensures mechanical grounding in conduit installations.

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.