3M 8563 Breakout Boot
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Manufacturer 3M
Mfg Catalog # 8563
Irby Part # 2382471


  • Ensures excellent insulation and void-free sealing of cable breakouts
  • High dry- and wet-insulation resistance
  • Creates an environmental enclosure for individual cable phases
  • Has an outer jacket diameter range of 1.3 to 1.94 inches
  • 3-way outlet
  • Dark gray silicone rubber construction
  • Withstands temperatures of 221 °F (105 °C)
  • RoHS 2011/65/EU Compliant


  • Application: Sealing of the spine cutting stranded cable
  • Cable Accessory Products: Cable Breakout Boot Kits
  • Cable Insulation Outside Diameter Range: 1.92-3.10 in
  • Cable Insulation Outside Diameter Range (Metric): 48.8-78.7 mm
  • Cable Shield Diameter Range: 0.82-1.18 in
  • Cable Shield Diameter Range (Metric): 20.8–30.0 mm
  • Color Family: Gray
  • Dielectric Strength (V/mil): 587 V/mil
  • Elongation: 780 %
  • Inner Diameter After Shrink (Imperial): 0.82 in
  • Inner Diameter After Shrink (Metric): 20.8 mm
  • Inner Diameter Before Shrink (Imperial): 1.18 in
  • Inner Diameter Before Shrink (Metric): 30 mm
  • Inner Diameter Finger After Shrink: 20.8 mm
  • Inner Diameter Finger Before Shrink: 33 mm
  • Jacket Outside Diameter Range: 1.92 - 3.10 in
  • Jacket Outside Diameter Range (Metric): 48.8 - 78.7 mm
  • Material: Silicone
  • Maximum Voltage Rating: 35 kV
  • Metallic Shield Diameter Range: 0.82 - 1.18 in
  • Minimum Bundle Diameter (Metric): 20.8-30.0 mm
  • Model: Cold-shrink
  • Operating Temperature (Celsius): Up to 180 °C
  • Outer Diameter After Shrink (Imperial): 1.92 in
  • Outer Diameter After Shrink (Metric): 48.8 mm
  • Outer Diameter Before Shrink (Imperial): 3.1 in
  • Outer Diameter Before Shrink (Metric): 78.7 mm
  • Product Color: Gray
  • Product Type: Cables and Wires Accessories
  • RoHS EU Comments: Contact 3M for information
  • Shrink Type: Cold Shrink
  • Temperature Rating: 356°F (180°C) Class H
  • Tensile Strength (Imperial): 1370 Pound-Force Per Square Inch
  • Total Length After Shrink: 146 mm
  • Transition Type: 1-3 Breakout


UPC 05400743145
Item Long Description One-piece versatile design allows for quick installationAccommodates a wide range of cable sizesNo torches or heat requiredExcellent resistance to ozone and ultra-violet radiationGreat thermal stabilityHigh dry and wet insulation resistanceHighly flexible
GTiN 00054007431459
Color Gray
Type Boot
Material Silicone Rubber
Product Type Cables And Wires Accessories
Conductor Size 1.92-3.10 in
Applications For 3/C Shielded Power Cable Terminating Applications
Family Brand Name 3M
Length 5-3/4 in
Temperature Rating Up to 180 C

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