Thomas & Betts 31013UAL One-Hole Mechanical Lug

Description:

The Thomas & Betts 31013UAL Locktite® One-Hole Mechanical Lug is used to terminate 4/0 AWG to 300 kcmil copper or aluminum conductors to electrical equipment and power distribution systems. Commonly installed in switchgear, panelboards, transformers, motor control centers, utility equipment, and industrial electrical installations, this dual-rated mechanical lug features a high-strength aluminum body with a tin-plated finish and a hex socket set screw for secure, low-resistance electrical connections. Electricians, maintenance technicians, and system integrators use this lug for new installations, repairs, retrofits, and replacement of mechanical cable terminations.

Applications:

The Thomas & Betts 31013UAL is designed to terminate 4/0 AWG to 300 kcmil copper or aluminum conductors on bus bars, circuit breakers, switchboards, transformers, grounding systems, and power distribution equipment. Its one-hole mounting pad and saddle-type mechanical design provide reliable conductor retention without the need for compression tooling, making it suitable for commercial, industrial, utility, and OEM electrical applications.

Technical Specifications:

• Manufacturer Part Number (MPN): 31013UAL
• Brand: Thomas & Betts (ABB) – Blackburn® Locktite®
• Product Type: One-Hole Mechanical Lug
• Conductor Range: 4/0 AWG to 300 kcmil Copper or Aluminum
• Conductor Material: Copper and Aluminum (Dual Rated)
• Lug Material: Tin-Plated Aluminum Alloy
• Connection Type: Mechanical Set Screw
• Lug Style: Standard Saddle
• Number of Conductors: 1
• Number of Mounting Holes: 1
• Stud Size: 1/2 in.
• Screw Type: Hex Socket Set Screw
• Overall Length: 2-3/4 in.
• Pad Size: 1-1/2 in. L × 1-3/16 in. W × 5/16 in. Thick
• Overall Height: 1-17/32 in.
• Features: Dual-rated for copper and aluminum conductors, conductor inspection peephole, low-resistance saddle contact, installs with a standard hex key wrench
• Certifications: UL Listed, CSA Certified
• Typical Applications: Switchgear, Panelboards, Transformers, Bus Bars, Motor Control Centers, Industrial Electrical Systems, Utility Power Distribution

Common Replacements:

• Thomas & Betts 31011UAL
• Thomas & Betts 31015UAL
• Thomas & Betts 31019UAL