Thomas & Betts AL-350-NTN Two Hole Compression Lug

Description:

The Thomas & Betts Blackburn AL-350-NTN Two-Hole Compression Lug is used to terminate 350 kcmil aluminum or copper conductors to bus bars, switchgear, transformers, and power distribution equipment. Commonly installed in industrial electrical systems, substations, motor control centers, panelboards, and utility power distribution applications, this dual-rated compression lug provides a secure, low-resistance electrical connection. Maintenance teams and system integrators use this lug for repair, retrofit, expansion, and replacement of medium- and high-capacity electrical power systems.

Applications:

The Thomas & Betts Blackburn AL-350-NTN is designed for terminating 350 kcmil aluminum and copper conductors using standard compression tools. Its tin-plated aluminum construction, prefilled oxide inhibitor, and straight two-hole NEMA pad provide excellent conductivity, corrosion resistance, and dependable long-term performance. The lug is ideal for switchgear, panelboards, transformers, bus ducts, utility equipment, renewable energy systems, and commercial or industrial power distribution installations.

Technical Specifications:

• Manufacturer Part Number (MPN): AL-350-NTN
• Brand: Thomas & Betts (ABB) – Blackburn®
• Product Type: Two-Hole Compression Lug
• Conductor Size: 350 kcmil
• Conductor Material: Aluminum and Copper (AL9CU Dual Rated)
• Material: High-Conductivity Aluminum
• Finish: Tin Plated
• Connection Type: Compression
• Pad Configuration: Straight Two-Hole NEMA Pad
• Number of Mounting Holes: 2
• Stud Size: 1/2 in.
• Hole Diameter: 9/16 in.
• Hole Spacing: 1-3/4 in. Centers
• Overall Length: 6-9/16 in.
• Barrel Length: 2-3/16 in.
• Barrel Outside Diameter: 1-7/64 in.
• Pad Dimensions: 3-9/16 in. L × 1-35/64 in. W × 23/64 in. Thick
• Oxide Inhibitor: Factory Prefilled
• Color Code: Brown Cap
• Installation Die Codes: 96, 299, 655, 1-1/8-2, 13A
• Application: General-purpose aluminum and copper conductor terminations for power distribution equipment
• Standards: ANSI C119.4, UL Listed, CSA Certified
• UPC: 783786693610
• Features: Dual-rated AL9CU construction, tin-plated for corrosion resistance, seamless aluminum barrel, factory-filled oxide inhibitor, die code markings for easy installation, and NEMA two-hole mounting pattern.

Common Replacements:

• Blackburn AL-350-NLTN
• Blackburn ATL3502
• Burndy YA34A2N