ABB - Installation Products AL 1250-4 NTN - Tin Plated Aluminum Four-Hole NEMA Lugs - straight lug, 1250 kcmil AL-CU, installing dies 161, 727, 352. Length 10 inch. Pad 3 inch wide x 3-9/16 inch long x 29/64 inch thick. (4) 9/16 inch Diameter Holes with 1-3/4 Center to Center Spacing. Barrel 4-5/8 inch Long with 1-31/32 inch outside Diameter. Oxide Inhibitor, Yellow Cap.
ABB - Installation Products

AL 1250-4 NTN

UPC: 783786693252


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Overview

This ABB Installation Products Tin Plated Aluminum Four-Hole NEMA Lug, SKU AL 1250-4 NTN, is designed for robust electrical connections. Engineered for 1250 kcmil AL-CU conductors, this straight lug ensures reliable performance in demanding applications. The lug features a substantial 3-inch wide by 3-9/16 inch long pad, with a thickness of 29/64 inch, providing ample surface area for secure termination. It is equipped with four 9/16 inch diameter holes, spaced 1-3/4 inches center-to-center, facilitating straightforward mounting with standard hardware. The barrel measures 4-5/8 inches long with an outside diameter of 1-31/32 inches, accommodating large conductors. Installation is simplified with the inclusion of an oxide inhibitor and a yellow cap, indicating proper preparation. This lug is compatible with installing dies 161, 727, and 352, ensuring versatility with common crimping tools. The overall length of the lug is 10 inches, offering sufficient clearance for wiring. Its tin plating provides excellent conductivity and corrosion resistance, making it suitable for a wide range of industrial environments. The UNSPSC code for this product is 39121409.
  • Tin Plated Aluminum construction for enhanced conductivity and corrosion resistance.
  • Designed for 1250 kcmil AL-CU conductors.
  • Four 9/16 inch diameter holes with 1-3/4 inch center-to-center spacing.
  • Includes oxide inhibitor and yellow cap for proper installation.
  • Compatible with installing dies 161, 727, and 352.

Specifications

Application
General purpose lugs for Aluminum and Copper terminations
Color
Yellow
Connection
Compression
Connection Type
Compression Lug
Finish
Tin Plated
Housing Material
Aluminum
Housing Material
Aluminium
Insulation
None
Material
Aluminum
Mounting Type
Four-Hole
Nema Rating
Four-Hole NEMA Lugs
Series
AL 1250-4
Size
10 inch length, 4-5/8 inch barrel length, 1-31/32 inch barrel diameter, 3 inch x 3-9/16 inch x 29/64 inch pad, 9/16 inch holes with 1-3/4 inch spacing
Size
10 inch long x 3 inch wide, Barrel 4-5/8 inch, Pad 3-9/16 inch
Special Features
Dual Rated for use with Aluminum and Copper Conductors. Prefilled with Oxide Inhibitor. Marked with Conductor Sizes and Die Reference. Meet or Exceed ANSI C119.4 Specifications
Standard
ANSI C119.4
Temperature Rating, Maximum
194 F
Temperature Rating, Maximum
90 C
Temperature Rating, Minimum
194 F
Temperature Rating, Minimum
90 C
Type
Compression Lug Four Hole
Wire Size
1250 kcmil
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)
1.0000 L
Package Weight (Metric)
0.4540 kg
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Frequently Asked Questions

What conductor size is this lug designed for?

This lug is designed for 1250 kcmil AL-CU conductors.

What are the dimensions of the pad on this lug?

The pad is 3 inches wide by 3-9/16 inches long and 29/64 inches thick.

What is the hole size and spacing on this lug?

The lug has four 9/16 inch diameter holes with 1-3/4 inch center-to-center spacing.

What is the length of the barrel on this lug?

The barrel is 4-5/8 inches long with an outside diameter of 1-31/32 inches.

What installing dies are compatible with this lug?

This lug is compatible with installing dies 161, 727, and 352.

What is the overall length of the lug?

The overall length of the lug is 10 inches.

Does this lug come with an oxide inhibitor?

Yes, this lug includes an oxide inhibitor and a yellow cap.

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.