3M Bus Bar Tubing BBI-9A-20', 20 ft Length
  • Manufacturer:3M
  • Part Number:7100025950
3M Bus Bar Heat Shrink Tubing BBI is a flame retardant tubing that provides reliable protection and insulation for 5 to 35 kV rated applications. The cross linked polyolefin construction is split and solvent resistant while offering good tracking resistance. It offers a tight fit for rectangular, square or round bus bars.
  • Suitable for copper or aluminum bus bars, metal-enclosed bus bars, metal-clad switchgear and substation switchgear
  • Made of red cross-linked polyolefin
  • Withstands temperatures of -67 to 230 degrees F (-55 to 110 degrees C)
  • Flame-retardant
  • ASTM, IEC, ANSI, IEEE Approved and RoHS 2011/65/EU Compliant
Please allow 2 days for production. Sold as case


General Information
Brand3M™
Heat Shrink TypeHeavy-Duty Heat Shrink Tubing
Product TypeBus Bar Tubing
Country Of OriginUnited States
Sold Ascase
Lead Time2 days
Dimensions and Specifications
Expanded Wall Thickness0.054 in
Inner Diameter After Shrink (Imperial)0.054 in
Inner Diameter After Shrink (Metric)3.78 mm
Inner Diameter Before Shrink (Imperial)0.127 in
Inner Diameter Before Shrink (Metric)8.83 mm
Maximum Operating Temperature (Celsius)110 Degree Celsius
Maximum Operating Temperature (Fahrenheit)230 Degree Fahrenheit
Operating Temperature (Celsius)-55 °C to 110 °C
Operating Temperature Range (Celsius)-55 °C to 110 °C
Operating Temperature Range (Fahrenheit)-67 °F to 230 °F
Outside Diameter (Bar Circumference)12.29 - 19.23 inch
Overall Length (Imperial)20 ft
Overall Length (Metric)15.24 m
Recovered Wall Thickness0.127 in
Rectangular Size(6 x 1/4) to (9 x 3/4) Inch (for 5 kV, 8 kV, 15 kV, 25 kV)
Round Size (Diameter)See Sizing Chart on Data Sheet
Square Size12.29 - 19.23 inch OD (for 35 kV)
Voltage5 kV
Operating Temperature Celsius-55 °C to 110 °C
Overall Length Imperial20.0
Width11.38 in
28.9 cm
Height16.89 in
42.9 cm
Length11.89 in
30.2 cm
Volume37.44 dm3
Weight16.7 lb
7.58 kg
Other Details
Maximum Recovered Tubing I. D.3.78 in
Minimum Expanded Tubing I. D.8.83 in
Shrink RatioVariable
Units Per Case1.0
Material and Composition
MaterialCross-linked Polyolefin
Shelf Life3600
Color and Appearance
ShapeSquare
About the Manufacturer

At 3M, we apply science in collaborative ways to improve lives daily.

3M is a global science company that never stops inventing. Using 46 technology platforms, our integrated team of scientists and researchers works with customers to create breakthroughs. Our inventions have improved daily life for hundreds of millions of people all over the world. With $30 billion in sales, our 90,000 employees connect with customers all around the world. Scientists, researchers and marketers work across countries and across subjects to solve challenges big and small.

Bulk Pricing

For customers who wish to order large quantities of this item and would like to receive bulk pricing, please contact us directly and we will provide the best price possible.