Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3M Compression Lugs: For 400 kcmil, Stranded Wire, 1/2 in Stud Size, Long - Two-Hole Compression Lugs
3MTwo-Hole Compression Lugs

3M Compression Lugs: For 400 kcmil, Stranded Wire, 1/2 in Stud Size, Long

The 3M Compression Lugs (MPN 31160) are two-hole compression lugs designed for 400 kcmil stranded copper wire. These long-barrel lugs feature a 1/2 in stud size and do not include an inspection hole. They are…

SKU 3G-OTH-17300

Brand
3M
Item
Compression Lugs: For 400 kcmil, Stranded Wire, 1/2 in Stud Size, Long
Category
Two-Hole Compression Lugs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

3M
Manufacturer Part Number
31160
Type
Stranded Wire, Long, Copper Barrel
Stud Size
1/2 in
For Wire Type
Stranded
For Wire Sizes
400 kcmil
Inspection Hole
No

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M Compression Lugs (MPN 31160) are two-hole compression lugs designed for 400 kcmil stranded copper wire. These long-barrel lugs feature a 1/2 in stud size and do not include an inspection hole. They are suitable for industrial electrical connections requiring a secure, permanent termination.

Frequently Asked Questions

What are 3M compression lugs used for?

3M compression lugs (MPN 31160) provide a permanent, secure termination for 400 kcmil stranded copper wire in industrial electrical connections. They are commonly used in power distribution, switchgear, and heavy equipment installations where reliable, low-resistance joints are required.

What are the specifications of 3M compression lugs 31160?

The 3M 31160 compression lug is a two-hole, long-barrel design for 400 kcmil stranded copper wire. It has a 1/2 in stud size, no inspection hole, and is made of copper. The manufacturer part number is 31160.

Where to buy 3M compression lugs worldwide?

3G Electric supplies 3M compression lugs (MPN 31160) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other industrial electrical components.

How to install 3M compression lugs on 400 kcmil wire?

Strip the insulation to the barrel length, insert the stranded 400 kcmil wire fully into the 3M lug barrel, then crimp using the manufacturer-recommended die and tool. Ensure the crimp is centered and complete for a permanent, low-resistance connection.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Compression Lugs: For 350 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31156)
3M
Compression Lugs: For 350 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31156)
Compression Lugs: For 500 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31166)
3M
Compression Lugs: For 500 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31166)
Compression Lugs: For 600 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31168)
3M
Compression Lugs: For 600 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31168)
Compression Lugs: For 300 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31153)
3M
Compression Lugs: For 300 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31153)
Compression Lugs: For 1 AWG, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31129)
3M
Compression Lugs: For 1 AWG, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31129)
Compression Lugs: For 250 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31149)
3M
Compression Lugs: For 250 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31149)

More from 3M

View all 3M parts
Compression Lug: For 350 kcmil, 1/2 in Stud Size, Std, Aluminum Barrel (MPN 13665)
3M
Compression Lug: For 350 kcmil, 1/2 in Stud Size, Std, Aluminum Barrel (MPN 13665)
Compression Lug: For 1/0 AWG, 3/8 in Stud Size, Std, Aluminum Barrel (MPN 13608)
3M
Compression Lug: For 1/0 AWG, 3/8 in Stud Size, Std, Aluminum Barrel (MPN 13608)
Compression Lugs: For 750 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31172)
3M
Compression Lugs: For 750 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31172)
Compression Lugs: For 2/0 AWG, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31137)
3M
Compression Lugs: For 2/0 AWG, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31137)
Compression Lug: For 2 AWG, 1/2 in Stud Size, Std, Aluminum Barrel (MPN 13616)
3M
Compression Lug: For 2 AWG, 1/2 in Stud Size, Std, Aluminum Barrel (MPN 13616)
Compression Lug: For 600 kcmil, 1/2 in Stud Size, Std, Aluminum Barrel (MPN 13699)
3M
Compression Lug: For 600 kcmil, 1/2 in Stud Size, Std, Aluminum Barrel (MPN 13699)
Compression Lugs: For 1/0 AWG, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31130)
3M
Compression Lugs: For 1/0 AWG, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31130)
Compression Lugs: For 1000 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31178)
3M
Compression Lugs: For 1000 kcmil, Stranded Wire, 1/2 in Stud Size, Long, Copper Barrel (MPN 31178)