ABB - Installation Products AT3 A 4-1000 N - Tin Plated Aluminum Mechanical Lug, 500 - 1000 kcmil for CU9AL, Bolt size 1/2 inch, Three 1-7/32 inch Diameter Barrels, Four hole pad. Includes (6) Tin Plated Aluminum Screws 1-14 1.187 inch long and Wax Dipped. Total Length 6-3/16 inch x 4-47/64 inch wide. Pad thickness 9/16 inch. Cable Attachment Area is 1-7/8 inch tall.
ABB - Installation Products

AT3 A 4-1000 N

UPC: 783786817603

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Overview

The ABB AT3 A 4-1000 N is a tin-plated aluminum mechanical lug designed for heavy-duty cable connections in industrial and electrical applications. This lug accommodates cable sizes from 500 to 1000 kcmil CU9AL, making it ideal for high-current installations such as power distribution panels, motor control centers, and renewable energy systems. The lug features a 1/2-inch bolt size for secure fastening and includes six tin-plated aluminum screws (1-14 x 1.187 inches) for robust mechanical attachment. With a total length of 6-3/16 inches, a width of 4-47/64 inches, and a pad thickness of 9/16 inch, it provides ample surface area for cable attachment (1-7/8 inch tall). The four-hole pad design ensures stable mounting and even load distribution. The mechanical lug has three 1-7/32 inch diameter barrels for cable insertion and termination. Wax-dipped for corrosion resistance, this lug is engineered for long-term reliability in harsh environments. Compatible with standard industrial wiring practices, it simplifies high-current terminations while maintaining electrical integrity. The lug's dimensions and design meet stringent industrial standards for high-performance electrical connections.
  • Accommodates cable sizes from 500 to 1000 kcmil CU9AL
  • 1/2-inch bolt size with six tin-plated aluminum screws (1-14 x 1.187 inches)
  • Four-hole pad design for stable mounting and load distribution
  • Total dimensions: 6-3/16" L x 4-47/64" W x 9/16" pad thickness
  • Cable attachment area: 1-7/8" tall, wax-dipped for corrosion resistance

Specifications

Application
Cable to Pad
Conductor Range
500 to 1000 kcmil
Connection
Mechanical
Connection Type
Bolt
Finish
Tin Plated
Insulation
False
Material
Tin Plated Aluminum
Material
Aluminum
Series
AT3 A 4-1000 N
Size
Length 6-3/16 inch x 4-47/64 inch wide
Size
500 - 1000 kcmil
Standard
UL Listed
Type
Mechanical Lug
Width
4-47/64 in
Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
2.5700 L
Package Weight (Metric)
1.1660 kg
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Frequently Asked Questions

What is the bolt size for this lug?

The lug uses a 1/2-inch bolt size for secure fastening.

What is the pad thickness of this lug?

The pad thickness is 9/16 inch.

Is this lug wax-dipped?

Yes, the lug is wax-dipped for enhanced corrosion resistance.

What cable sizes does this lug support?

The lug supports cable sizes ranging from 500 to 1000 kcmil for CU9AL cables.

How many screws are included with the lug?

The lug includes six tin-plated aluminum screws (1-14 x 1.187 inches).

What are the total dimensions of the lug?

The total dimensions are 6-3/16 inches in length, 4-47/64 inches in width, and the cable attachment area is 1-7/8 inches tall.

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.