ABB - Installation Products FPL 556 NL - Aluminum Compression Lug, 500-556.5 Stranded AL-CU, 477 (26/7) ACSR. Installing Dies 140H, 301, 342, 1 1/2. Length 7-51/64 inch. Pad 1-39/64 inch wide x 3-1/8 inch long x 9/16 inch thick. (2) 9/16 inch holes on 1-3/4 inch centers. Barrel 3-19/32 inch long. Oxide Inhibitor. Black Cap.
ABB - Installation Products

FPL 556 NL

UPC: 783786724383


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Overview

The ABB FPL 556 NL aluminum compression lug is engineered for high-capacity electrical connections in overhead and underground power distribution systems. Designed to terminate 500-556.5 kcmil stranded aluminum-copper conductors, specifically 477 (26/7) ACSR, this lug ensures reliable, low-resistance joints. Its construction features a barrel length of 3-19/32 inches, providing ample surface area for conductor termination. The pad measures 1-39/64 inches wide by 3-1/8 inches long by 9/16 inches thick, offering a robust mounting surface. For secure attachment, the lug is equipped with two 9/16-inch holes spaced on 1-3/4-inch centers. An integrated oxide inhibitor is applied to prevent corrosion and maintain electrical integrity over time. A black cap is included, serving as protection during installation and throughout the service life of the connection. This compression lug is compatible with ABB’s 140H, 301, 342, and 1 1/2-inch installing dies, facilitating efficient and precise crimping. The overall length of the FPL 556 NL lug is 7-51/64 inches.
  • Terminates 500-556.5 kcmil stranded aluminum-copper conductors (26/7 ACSR)
  • Barrel length: 3-19/32 inches; pad dimensions: 1-39/64" W x 3-1/8" L x 9/16" thick
  • Two 9/16-inch mounting holes on 1-3/4-inch centers
  • Includes oxide inhibitor and black protective cap
  • Compatible with ABB dies 140H, 301, 342, and 1 1/2-inch

Specifications

Connection
Compression
Finish
Uncoated
Housing Material
Aluminum
Housing Material
Aluminium
Insulation
None
Size
Length 7.796 inches. Pad 1.600 X 3.125 inches
Special Features
Marked with Conductor Size and Die Reference. Prefilled with Compound. Black Cap
Type
Compression Lug Two Hole
Wire Size
500 to 556.5 kcmil , 477(26/7) ACSR AWG
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)
0.9500 L
Package Weight (Metric)
0.4310 kg

Frequently Asked Questions

Is an oxide inhibitor included?

Yes, the FPL 556 NL includes an oxide inhibitor to prevent corrosion at the connection point.

What conductor sizes does the FPL 556 NL support?

The lug is designed for 500-556.5 kcmil stranded aluminum-copper conductors, specifically 26/7 ACSR.

What is the overall length of the FPL 556 NL?

The total length of the lug is 7-51/64 inches, including the barrel and pad.

What are the mounting hole dimensions?

The lug has two 9/16-inch holes spaced 1-3/4 inches apart for secure attachment.

What dies are compatible with this lug?

The lug works with ABB installing dies 140H, 301, 342, and 1 1/2-inch models.

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.