3MTwo-Hole Compression Lugs

3M Compression Lugs: For 350 kcmil, Stranded Wire, 1/2 in Stud Size, Long

The 3M Compression Lugs (MPN 31156) are two-hole compression lugs designed for 350 kcmil stranded copper wire. They feature a long copper barrel with a 1/2 in stud size and no inspection hole. These lugs are…

SKU 3G-OTH-16748

Brand

Item

Compression Lugs: For 350 kcmil, Stranded Wire, 1/2 in Stud Size, Long

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Manufacturer Part Number

31156

Type

Stranded Wire, Long, Copper Barrel 

Stud Size

1/2 in 

For Wire Type

Stranded 

For Wire Sizes

350 kcmil 

Inspection Hole

No

Technical Documents

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3M Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the 3M Compression Lug 31156 used for?

The 3M Compression Lug 31156 is used to terminate 350 kcmil stranded copper wire in industrial electrical connections. It is a two-hole lug with a 1/2 in stud size and a long copper barrel, suitable for high-current applications in switchgear, panel boards, and heavy machinery.

What are the specifications of the 3M Compression Lug 31156?

The 3M Compression Lug 31156 is designed for 350 kcmil stranded wire with a 1/2 in stud size. It has a long copper barrel, no inspection hole, and is a two-hole lug. The manufacturer part number is 31156, and it is made by 3M for reliable electrical terminations.

Where to buy 3M Compression Lugs 31156 worldwide?

3G Electric supplies 3M Compression Lugs 31156 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this part to any international destination.

How to install 3M Compression Lugs 31156?

To install the 3M Compression Lug 31156, strip the insulation from 350 kcmil stranded wire, insert the conductor into the copper barrel, and use a hydraulic crimping tool with the correct die for 3M lugs. Ensure a full compression cycle for a secure, low-resistance connection. Follow standard electrical safety practices.

Used in

Common applications for 3M

Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.

Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.

Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.

Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.

Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.

Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.

3M Products

3G Electric supplies 3M two-hole compression lugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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