3M HDBB-345-1-250 Heat Shrink Heavy Duty Breakout Boots
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Manufacturer 3M
Mfg Catalog # HDBB-345-1-250
North Coast Part # 543041


  • Ensures excellent insulation and void-free sealing of cable breakouts
  • 3M™ Heat Shrink Cable Breakout Boot 2 insulates and seals cable breakouts in multi conductor armored or sheathed cables. This heavy duty boot offers good electrical and mechanical protection. The cross linked, MIL I 81765 1 qualified polyolefin construction is semi rigid and flame retardant.
  • Internal coating of adhesive offers reliable environmental sealing
  • 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.
  • Provides maximum electrical and mechanical protection
  • Semi-rigid, flame-retardant polyolefin construction
  • RoHS 2011/65/EU Compliant


  • 3M ID: 80610677520
  • Agency Approvals: NAVSEA, DOD-STD-2003-1
  • Brand: 3M™
  • Cable End Expanded: 4.9 in
  • Cable End Recovered: 2.32 in
  • Cable Insulation Outside Diameter Range: 0.87-1.06 in
  • Cable Insulation Outside Diameter Range (Metric): 22.1-26.8 mm
  • Cable Shielding: Concentric Neutral (CN) || Jacketed Concentric Neutral (JCN)
  • Color Family: Black
  • Conductor Legs Expanded: 2 in
  • Conductor Legs Recovered: 1 in
  • Conductor Sizes: 1/0 AWG
  • Conductor Sizes - Stranded - Cable Insulation Thickness: 1/0 (295 mils) || 1/0 AWG (260 mils) || 1/0 AWG (280 mils)
  • Connector Included: CIR-1/0
  • Family: 3M™ Heat Shrink Heavy Duty Breakout Boots HDBB
  • Flame Retardant: Yes
  • Heat Shrink Type: Heat Shrink Molded Shapes
  • Indoor/Outdoor: Both
  • 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
  • Lug/Stem Connector Included in Kit: No
  • Manufacturing Origin: USA
  • Material: Semi-Rigid, Flame Retardant Polyolefin
  • Maximum Stranded Conductor Size: 1/0 AWG
  • Number of Conductors: 1
  • Number of Outlets: 3
  • 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
  • Outlet Style: 3-Way
  • Product Color: Black
  • Product Type: Splice
  • Shrink Type: Heat Shrink
  • Splice Type: Inline Repair
  • Transition Type: 1-3 Breakout
  • Voltage: 25 kV || 28 kV


UPC 05400758794
GTiN 00054007587941
Color Black
Voltage 25 kV
Type Breatout Boot
Splice Type Inline Repair
Material Polyolefin
Product Type Cables And Wires Accessories, Splice
Number of Conductors 1
Conductor Size 1/0 AWG
Applications provide strain relief and environmental/mechanical protection for breakouts in multiconductor armored or sheathed cables.
Family Brand Name 3M

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