3M 31178 Compression Lug 2-Hole 1000 STR CU

Description:

The 3M 31178 Compression Lug is used in electrical power distribution systems to terminate and connect large copper conductors to electrical equipment and bus connections. Commonly installed in switchgear, motor control centers, transformers, distribution panels, and industrial power systems requiring secure two-hole conductor terminations. Maintenance teams and electrical contractors use this part for power system repair, retrofit, expansion, and replacement to maintain reliable electrical connections and current transfer performance.

Applications:

The 3M 31178 Compression Lug is designed for use in medium-voltage and industrial electrical installations. It is commonly applied in power distribution equipment, substations, control panels, grounding systems, and heavy-duty electrical assemblies utilizing 1000 kcmil stranded copper conductors.

Technical Specifications:

• Manufacturer Part Number (MPN): 31178
• Product Type: Compression Lug
• Brand: 3M
• Series: Scotchlok 31100 Series
• Conductor Size: 1000 kcmil Stranded Copper
• Number of Holes: 2
• Stud Size: 1/2 in
• Barrel Type: Long Barrel
• Material: Copper
• Finish: Electro-Tin Plated
• Voltage Rating: Up to 35 kV
• Overall Length: 7.28 in
• Application: Copper Conductor Termination
• Certifications: UL Listed, CSA Certified

Common Replacements:

• Burndy YA44-2N Compression Lug
• Thomas & Betts 54490 Compression Lug
• Panduit LCC1000-12-3 Compression Lug