3M 7100025927 Bus Bar Insulating Tubing 50 Foot

Product Description

The 3M 7100025927 is a heat-shrink bus bar insulating tubing designed to provide dielectric protection over rectangular, square, or round bus bars in electrical distribution and switchgear applications. Constructed from a cross-linked, flame-retardant, track-resistant polyolefin compound, this tubing is engineered to conform tightly around irregular bus bar geometries upon application of heat. It accommodates an outer diameter range of 8.28 to 13.00 inches and is sold in a 50-foot case quantity, making it suited for large-scale panel builds and switchgear installations where consistent insulation coverage is required.

This tubing is appropriate for use in medium- and high-voltage electrical distribution environments, including industrial switchgear assemblies, bus duct systems, and commercial electrical panels. Licensed electricians and electrical contractors typically specify this product during new construction panel builds or retrofits where bare bus bars require insulation or re-insulation. The 50-foot quantity supports projects requiring extended continuous coverage or multiple bus bar runs.

Key Features

• Cross-linked polyolefin construction provides flame-retardant and track-resistant performance
• Fits rectangular, square, and round bus bar profiles within the 8.28 to 13.00 inch OD range
• Heat-shrink design conforms tightly to bus bar geometry without adhesives or mechanical fasteners
• 50-foot case quantity supports extended or multi-run installations
• Formulated to resist electrical tracking, reducing the risk of surface creepage failures

Compatibility

Designed as an insulating sleeve for rectangular, square, or round bus bars with an outer diameter between 8.28 and 13.00 inches, typical of medium- and large-format switchgear and distribution equipment.

Installation Notes

Installation should be performed by a licensed electrician in accordance with applicable NEC requirements. De-energize and lock out the bus bar assembly completely before applying tubing. Use a calibrated heat gun to shrink the tubing evenly along the bus bar length, working from one end to avoid trapping air. Do not use an open flame as a heat source, as this can cause uneven shrinkage or damage the tubing material.

Technical Specifications

• Outer Diameter Range: 8.28 to 13.00 inches
• Length: 50 feet
• Material: Cross-linked flame-retardant track-resistant polyolefin
• Weight: 0.55 pounds
• Minimum Order Quantity: 50 feet
• UPC: 00051135357354

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100025927