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  7. 3M™ Cold Shrink Insulator, 8428-6, 500-800 kcmil (300-400mm²), 1 kV

3M™ Cold Shrink Insulator, 8428-6, 500-800 kcmil (300-400mm²), 1 kV

3M ID 7000005997UPC 00054007099161
  • Quick and easy installation, no special tools and no heat required
  • Seals tight, retains resiliency and pressure
  • Accommodates a wide range of cable sizes
  • Resists acids, alkalis and ozone
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Specifications
Applications
Insulation, mechanical protection, repair
Brand
3M™
Cable Shielding
Tape Shield, UniShield®, Wire Shield
Cable Type
Non-Shieled, Solid Dielectric Power Cable
Case Quantity
10
Colour Family
Black
Conductor Material
Aluminum, Copper
Inner Diameter After Shrink (Imperial)
0.949 in
Inner Diameter After Shrink (Metric)
24.1 mm
Inner Diameter Before Shrink (Imperial)
1.937 in
Inner Diameter Before Shrink (Metric)
49.2 mm
Manufacturing Origin
USA
Material
EPDM Rubber
Maximum Connector Length
2.0 in
Maximum Connector Length (metric)
50.8 mm
Maximum Operating Temperature (Celsius)
90 °C
Maximum Operating Temperature (Fahrenheit)
194 °F
Minimum Operating Temperature (Fahrenheit)
-40 °F
Model
Cold-shrink
Number of Conductors
1
Overall Length (Imperial)
6 in
Overall Length (Metric)
152.4 mm
Product Type
Splice
Relaxed Tube Length
6 in
Relaxed Tube Length (Metric)
152.4 mm
Splice Type
Cold Shrink
Units per Case
10
Voltage
1 kV
Voltage Application
Low Voltage
Details
  • Quick and easy installation, no special tools and no heat required
  • Seals tight, retains resiliency and pressure
  • Accommodates a wide range of cable sizes
  • Resists acids, alkalis and ozone
  • No mastic or tape required to seal

3M™ Cold Shrink Insulators are open-ended, tubular, EPDM rubber sleeves which are factory expanded and assembled onto a removable core. The core is removed after the tube has been positioned for installation over an inline connection, terminal lug, etc., allowing the tube to shrink and form a water-resistant seal.

3M™ Cold Shrink Insulators are designed using a unique cold shrink delivery system. They are supplied prestretched on a removable core for efficiency and ease of installation. Removal of the core after positioning allows the product to shrink into position forming a moisture-tight seal. The live memory action of the specially formulated material ensures a permanent, durable environmental seal and insulation.

Suggested Applications

  • Primary electrical insulation for all solid dielectric (rubber and plastic) up to 1kV
  • Direct burial and submersible applications
  • Insulate tape shield, wire shield or UniShield® cable
  • Environmental sealing for communications and other non-electrical applications
  • Sheath repairs
  • Physical protection and moisture sealing for air-insulated connectors and lugs such as spacer cable and lug connections to bus bar
  • Insulating secondary splices
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