3M™ Cold Shrink Insulator, 8429-12, 900-1000 kcmil (500 mm²), 1 kV
- 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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Applications
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Insulation, mechanical protection, repair
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Brand
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3M™
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Cable Shielding
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Tape Shield, UniShield®, Wire Shield
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Case Quantity
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10
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Colour Family
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Black
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Conductor Material
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Aluminum, Copper
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Conductor Sizes (Imperial)
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1000 kcmil, 900 kcmil
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Inner Diameter After Shrink (Imperial)
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0.839 in
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Inner Diameter After Shrink (Metric)
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21.3 mm
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Inner Diameter Before Shrink (Imperial)
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2.85 in
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Inner Diameter Before Shrink (Metric)
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72.4 mm
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Manufacturing Origin
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USA
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Material
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EPDM Rubber
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Maximum Conductor Size (Imperial)
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63.55 kcmil
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Maximum Connector Length
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8.0 in
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Maximum Connector Length (metric)
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203.2 mm
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Maximum Operating Temperature (Celsius)
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90 °C
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Maximum Operating Temperature (Fahrenheit)
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194 °F
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Minimum Conductor Size (Imperial)
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900 kcmil
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Minimum Operating Temperature (Fahrenheit)
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-40 °F
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Model
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Cold-shrink
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Number of Conductors
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1
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Operating Temperature (Celsius)
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-40 up to +90°C
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Overall Diameter (Metric)
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67.8 mm, 67.8 mm
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Overall Length (Metric)
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304.8 mm
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Product Type
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Cold shrinking
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Relaxed Tube Length
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12 in
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Relaxed Tube Length (Metric)
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304.8 mm
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Shrink Ratio
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2:1
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Splice Type
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Cold Shrink
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Voltage
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1 kV
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Voltage Application
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Low Voltage
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- 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
Our goal is to respond to your request within 1-2 business days. Some questions, however, may need further investigation so that we can provide you with an appropriate response.
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