3M Heat Shrinkable Cable Breakout Boot HDBB-345-1-250: black, 3-wayoutlet
  • Manufacturer:3M
  • Part Number:7000140726
Trust our 3M HDBB 3-Way Heat Shrink Breakout Boot to keep cable breakouts sealed and insulated. Its rugged cross-linked polyolefin construction is MIL-I-81765-1 qualified to do the job right, providing reliable electrical and mechanical protection. The semi-rigid flame-retardant material relieves strain on multi-conductor armored or sheathed cables.3M™ Heat Shrink Breakout Boot has an internal coating of adhesive that ensures reliable environmental sealing of cable breakouts in cables and conduit ends. RoHS 2011/65/EU Compliant.
  • Ensures excellent insulation and void-free sealing of cable breakouts
  • Internal coating of adhesive offers reliable environmental sealing
  • Provides maximum electrical and mechanical protection
  • Semi-rigid, flame-retardant polyolefin construction
  • RoHS 2011/65/EU Compliant
Sold as each


General Information
Brand3M™
Heat Shrink TypeHeat Shrink Molded Shapes
ModelCold-shrink
Outlet Style3-Way
Product Series5450 Series
Product TypeSplice
Shrink TypeHeat Shrink
Splice TypeInline Repair
Transition Type1 - 3 Breakout
Country Of OriginUnited Kingdom
Sold Aseach
Dimensions and Specifications
Cable Insulation Outside Diameter Range0.87-1.06 in
Cable Insulation Outside Diameter Range (Metric)22.1-26.8 mm
Inner Diameter After Shrink (Imperial)1 in
Inner Diameter After Shrink (Metric)25.4 mm
Inner Diameter Before Shrink (Imperial)2 in
Inner Diameter Before Shrink (Metric)50.8 mm
Maximum Operating Temperature (Celsius)135 Degree Celsius
Minimum Shrink Temperature (Celsius)120 Degree Celsius
Operating Temperature (Celsius)-30 up to +135°C
Outer Diameter After Shrink (Imperial)2.32 in
Outer Diameter After Shrink (Metric)58.9 mm
Outer Diameter Before Shrink (Imperial)4.9 in
Outer Diameter Before Shrink (Metric)124.5 mm
Voltage25 kV
Operating Temperature Celsius-30 up to +135°C
Width6.5 in
16.5 cm
Height7.76 in
19.7 cm
Length7.05 in
17.9 cm
Volume355.06 cubic inch
5818.4 cm3
Weight8.26 oz
234.1 g
Other Details
Cable End Expanded4.9 in
Cable End Recovered2.32 in
Cable ShieldingConcentric Neutral (CN)
Conductor Legs Expanded2 in
Conductor Legs Recovered1 in
Connector IncludedCIR-1/0
Dielectric Strength (V/mil)10 kV / mm
Flame RetardantYes
Indoor/OutdoorBoth
Lug/Stem Connector Included In KitNo
Number Of Conductors1
Number Of Outlets3
UV ResistantYes
Units Per Case1.0
Indoor OutdoorBoth
Material and Composition
MaterialSemi-rigid, Flame Retardant Polyolefin
Color and Appearance
Product ColorBlack
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.