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3M Mechanical Connector: For Wire Size 350 kcmil – 750 kcmil - In-Line Splice Connectors with Shearbolts
3MIn-Line Splice Connectors with Shearbolts

3M Mechanical Connector: For Wire Size 350 kcmil – 750 kcmil

The 3M Mechanical Connector (MPN QCI-350-750-U) is an in-line splice connector with shearbolts designed for copper wire sizes 350 kcmil to 750 kcmil. It accommodates two wire terminations, providing a secure…

SKU 3G-OTH-18366

Brand
3M
Item
Mechanical Connector: For Wire Size 350 kcmil – 750 kcmil
Category
In-Line Splice Connectors with Shearbolts
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Technical Specifications

3M
Manufacturer Part Number
QCI-350-750-U
For Wire Material
Copper
Wire Terminations
2
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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M Mechanical Connector (MPN QCI-350-750-U) is an in-line splice connector with shearbolts designed for copper wire sizes 350 kcmil to 750 kcmil. It accommodates two wire terminations, providing a secure mechanical connection for industrial electrical applications.

Frequently Asked Questions

What is the 3M Mechanical Connector QCI-350-750-U used for?

The 3M Mechanical Connector QCI-350-750-U is an in-line splice connector with shearbolts used to join two copper wires in industrial electrical applications. It accommodates wire sizes from 350 kcmil to 750 kcmil, providing a secure mechanical connection for power distribution, panel building, and utility installations.

What are the specifications of the 3M QCI-350-750-U connector?

The 3M QCI-350-750-U is a mechanical in-line splice connector for copper wire. It accepts wire sizes from 350 kcmil to 750 kcmil and supports two wire terminations. The connector features shearbolts for consistent torque and a reliable connection. The manufacturer part number is QCI-350-750-U.

Where to buy the 3M QCI-350-750-U connector worldwide?

You can source the 3M QCI-350-750-U connector through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time on this 3M mechanical connector.

How to install the 3M QCI-350-750-U shearbolt connector?

To install the 3M QCI-350-750-U, strip the copper wire ends to the recommended length, insert each wire into the connector barrel, and tighten the shearbolts with a standard hex wrench until the bolt heads shear off at the preset torque. This ensures a consistent, secure mechanical splice without special tools.

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.

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