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

3M Mechanical Connector: For Wire Size 300 kcmil – 600 kcmil - In-Line Splice Connectors with Shearbolts
3MIn-Line Splice Connectors with Shearbolts

3M Mechanical Connector: For Wire Size 300 kcmil – 600 kcmil

The 3M Mechanical Connector (MPN 58539) is an in-line splice connector with shearbolts, designed for aluminum wire sizes from 300 kcmil to 600 kcmil. This connector accommodates two wire terminations, providing a…

SKU 3G-OTH-18310

Brand
3M
Item
Mechanical Connector: For Wire Size 300 kcmil – 600 kcmil
Category
In-Line Splice Connectors with Shearbolts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

3M
Manufacturer Part Number
58539
For Wire Material
Aluminum
Wire Terminations
2
View Full Spec Sheet

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 Mechanical Connector (MPN 58539) is an in-line splice connector with shearbolts, designed for aluminum wire sizes from 300 kcmil to 600 kcmil. This connector accommodates two wire terminations, providing a secure mechanical splice for industrial electrical applications.

Frequently Asked Questions

What is the 3M Mechanical Connector 58539 used for?

The 3M Mechanical Connector 58539 is an in-line splice connector with shearbolts, used to join two aluminum wires from 300 kcmil to 600 kcmil in industrial electrical systems. It provides a secure mechanical splice without requiring special tools, ideal for power distribution and heavy-duty installations.

What are the specifications of the 3M Mechanical Connector 58539?

The 3M Mechanical Connector 58539 is designed for aluminum wire from 300 kcmil to 600 kcmil, with two wire terminations. It is an in-line splice connector with shearbolts, ensuring a reliable mechanical connection. The manufacturer part number is 58539, and it is made by 3M.

Where to buy the 3M Mechanical Connector 58539 worldwide?

3G Electric supplies the 3M Mechanical Connector 58539 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this connector to your site. Contact us for pricing and lead time on this 3M part.

How to install the 3M Mechanical Connector 58539?

To install the 3M Mechanical Connector 58539, strip the aluminum wire insulation to the recommended length, insert each wire into the connector, and tighten the shearbolts until the heads shear off at the specified torque. This ensures a secure mechanical splice without over-tightening. Always follow 3M's installation instructions.

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 in-line splice connectors with shearbolts. 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

Similar products

Matched by specification & description
3M Butt Splice Connector: 2 Hole Lug, For Wire Sizes 1000 kcmil – 1250 kcmil, For Stud Size 1/2 in (MPN 61012). Key specifications — For Wire Material: Copper; For Stud Size: 1/2 in; Lug Material: Aluminum; Brand: 3M; Max Wire Size: 1250 kcmil; Minimum Wire Size: 1000 kcmil.
3M
3M Butt Splice Connector: 2 Hole Lug, For Wire Sizes 1000 kcmil – 1250 kcmil, For Stud Size 1/2 in (MPN 61012). Key specifications — For Wire Material: Copper; For Stud Size: 1/2 in; Lug Material: Aluminum; Brand: 3M; Max Wire Size: 1250 kcmil; Minimum Wire Size: 1000 kcmil.
3M Butt Splice Connector: 2 Hole Lug, For Wire Sizes 500 kcmil – 1000 kcmil, For Stud Size 1/2 in (MPN 61011). Key specifications — For Wire Material: Copper; For Stud Size: 1/2 in; Lug Material: Aluminum; Brand: 3M; Max Wire Size: 1000 kcmil; Minimum Wire Size: 500 kcmil.
3M
3M Butt Splice Connector: 2 Hole Lug, For Wire Sizes 500 kcmil – 1000 kcmil, For Stud Size 1/2 in (MPN 61011). Key specifications — For Wire Material: Copper; For Stud Size: 1/2 in; Lug Material: Aluminum; Brand: 3M; Max Wire Size: 1000 kcmil; Minimum Wire Size: 500 kcmil.
3M Butt Splice Connector: Bare, For Wire Size 12 AWG – 10 AWG, 600 V, Pack Qty 500 (MPN M10BCK). Key specifications — Brand: 3M.
3M
3M Butt Splice Connector: Bare, For Wire Size 12 AWG – 10 AWG, 600 V, Pack Qty 500 (MPN M10BCK). Key specifications — Brand: 3M.
3M Mechanical Shearbolt Lug: 2 Hole Lug, For Wire Sizes 1500 kcmil – 2000 kcmil, Aluminum (MPN 6119). Key specifications — For Wire Material: Copper; For Stud Size: 1/2 in; Lug Material: Aluminum; Brand: 3M; Max Wire Size: 2000 kcmil; Minimum Wire Size: 1500 kcmil.
3M
3M Mechanical Shearbolt Lug: 2 Hole Lug, For Wire Sizes 1500 kcmil – 2000 kcmil, Aluminum (MPN 6119). Key specifications — For Wire Material: Copper; For Stud Size: 1/2 in; Lug Material: Aluminum; Brand: 3M; Max Wire Size: 2000 kcmil; Minimum Wire Size: 1500 kcmil.
3M Butt Splice Connector: Red, Vinyl, For Wire Size 22 AWG – 18 AWG, 600 V, Pack Qty 100 (MPN 58739). Key specifications — Brand: 3M.
3M
3M Butt Splice Connector: Red, Vinyl, For Wire Size 22 AWG – 18 AWG, 600 V, Pack Qty 100 (MPN 58739). Key specifications — Brand: 3M.
3M Butt Splice Connector: Bare, For Wire Size 6 AWG – 6 AWG, 600 V, Pack Qty 200 (MPN M6BCK). Key specifications — Brand: 3M.
3M
3M Butt Splice Connector: Bare, For Wire Size 6 AWG – 6 AWG, 600 V, Pack Qty 200 (MPN M6BCK). Key specifications — Brand: 3M.

More from 3M

View all 3M parts
3M Mechanical Connector: For Wire Size 500 kcmil – 1000 kcmil, 2 Wire Terminations (MPN 7100369113). Key specifications — Brand: 3M; For Wire Material: Aluminum.
3M
3M Mechanical Connector: For Wire Size 500 kcmil – 1000 kcmil, 2 Wire Terminations (MPN 7100369113). Key specifications — Brand: 3M; For Wire Material: Aluminum.
3M Mechanical Connector: For Wire Size 1000 kcmil – 1250 kcmil, 2 Wire Terminations (MPN 7100369005). Key specifications — Brand: 3M; For Stranded Copper Wire Size - Maximum: 1250 kcmil; For Wire Material: Aluminum.
3M
3M Mechanical Connector: For Wire Size 1000 kcmil – 1250 kcmil, 2 Wire Terminations (MPN 7100369005). Key specifications — Brand: 3M; For Stranded Copper Wire Size - Maximum: 1250 kcmil; For Wire Material: Aluminum.
3M Mechanical Connector: For Wire Size 350 kcmil – 750 kcmil, 2 Wire Terminations (MPN QCI-350-750-U). Key specifications — Brand: 3M; For Wire Material: Copper.
3M
3M Mechanical Connector: For Wire Size 350 kcmil – 750 kcmil, 2 Wire Terminations (MPN QCI-350-750-U). Key specifications — Brand: 3M; For Wire Material: Copper.
3M Mechanical Connector: For Wire Size 1/0 AWG – 350 kcmil, 2 Wire Terminations (MPN 58538). Key specifications — Brand: 3M; For Wire Material: Aluminum.
3M
3M Mechanical Connector: For Wire Size 1/0 AWG – 350 kcmil, 2 Wire Terminations (MPN 58538). Key specifications — Brand: 3M; For Wire Material: Aluminum.
3M Mechanical Connector: For Wire Size 2 AWG – 250 kcmil, 2 Wire Terminations (MPN 58537). Key specifications — Brand: 3M; For Wire Material: Aluminum.
3M
3M Mechanical Connector: For Wire Size 2 AWG – 250 kcmil, 2 Wire Terminations (MPN 58537). Key specifications — Brand: 3M; For Wire Material: Aluminum.