Overview
Features
When you're insulating solid dielectric insulated wire and cable splices in 1000V applications, the 3M 8440 Series Cold Shrink Silicone Insulator is a great choice. You can install it without using any tools. Indoors or out, it handles overhead or cable tray applications and holds up in operating temperatures ranging from -66 to 500 degrees F (-55 to 260 degrees C).3Mâ„¢ 8440 Series Cold Shrink Silicone Insulator is an insulating sleeve that is specially formulated from high temperature silicone rubber for moisture protection. It maintains resiliency and pressure, even after years of aging and exposure. This insulator ensures top moisture sealing for medium voltage, air insulated connectors and lugs. It offers resistance against acids, alkalis, fluid splashes, ozone, ultraviolet light and fire. This insulator is ideal for use in sheath repairs and electrical aircraft cables and it provides insulation for inline conductor transition connectors. RoHS 2011/65/EU Compliant.
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Specifications
General Information
Brand
3Mâ„¢
Cable Type
Cable with plastic and rubber insulation
Model
Cold-shrink
Product Type
Cold Shrink
Splice Type
Cold Shrink
Country Of Origin
United States
Sold As
Case
Lead Time
2 days
California Residents
Dimensions and Specifications
Conductor Sizes (Imperial)
2/0 AWG
Conductor Sizes (Metric)
95 mm²
Inner Diameter After Shrink (Imperial)
0.488 in
Inner Diameter After Shrink (Metric)
12.4 mm
Inner Diameter Before Shrink (Imperial)
0.949 in
Inner Diameter Before Shrink (Metric)
24.1 mm
Maximum Conductor Size (Imperial)
157 kcmil
Maximum Conductor Size (Metric)
95 mm²
Maximum Operating Temperature (Celsius)
260 Degree Celsius
Maximum Operating Temperature (Fahrenheit)
500 Degree Fahrenheit
Minimum Conductor Size (Imperial)
118 kcmil
Minimum Conductor Size (Metric)
50 mm²
Minimum Operating Temperature (Celsius)
-55 Degree Celsius
Minimum Operating Temperature (Fahrenheit)
-67 Degree Fahrenheit
Operating Temperature (Celsius)
-55 up to +260°C
Overall Diameter (Metric)
24.1 mm
Overall Length (Imperial)
8 in
Overall Length (Metric)
203.2 mm
Relaxed Tube Length
8 in
Relaxed Tube Length (Metric)
203.2 mm
Voltage
1 kV
Voltage Application
Low Voltage
Wall Thickness After Shrinking
2.8 mm
Maximum Conductor Size Imperial
157 kcmil
Maximum Conductor Size Metric
95 mm²
Minimum Conductor Size Imperial
118 kcmil
Minimum Conductor Size Metric
50 mm²
Operating Temperature Celsius
-55 up to +260°C
Overall Length Imperial
8.0
Width
0.21 yd
0.19 m
0.19 m
Height
0.17 yd
0.15 m
0.15 m
Length
0.36 yd
0.33 m
0.33 m
Volume
590.76 cubic inch
9680.88 cm3
9680.88 cm3
Weight
28 oz
793.8 g
793.8 g
Other Details
Cable Shielding
UniShield®
Halogen Free
No
Number Of Conductors
1
Shrink Ratio
2:1
With Inner Glue
No
Usage Information
Application
Insulation, mechanical protection, repair
Material and Composition
Conductor Material
Aluminum
Material
Silicone
Shelf Life
1080
Color and Appearance
Product Color
Gray
Certifications and Standards
UL Approval
No
Resources
Datasheet
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