The 3M™ Cold Shrink Insulator 8427-12 provides primary insulation for solid dielectric insulated wire and cable splicing rated to 1000 volts. This black EPDM rubber insulator delivers reliable protection for conductor sizes ranging from 250-400 kcmil in electrical connections and repair applications.

• Material composition: EPDM rubber contains no chlorides or sulfur compounds for enhanced long-term performance
• Installation method: Tool-free application with pre-stretched tube that shrinks onto connections
• Temperature performance: Operates in environments from -40 to 90 degrees Celsius
• Size compatibility: Accommodates connectors up to 8 inches in length
• Dimensional specifications: 12 inch length with 1.382 inch pre-shrink and 0.661 inch post-shrink inner diameter

Features

• Specially designed for primary insulation of solid dielectric insulated wires and cable splicing rated to 1000 volts
• Simple installation which requires no tools
• Sealing of terminal lug barrels, conduit couplings and conduit-to-cable breakouts
• Made of black EPDM rubber
• Made of EPDM rubber which contains no chlorides or sulfur

Specifications

• Manufacturer Catalog Number: 7000005943
• Application: Insulation, mechanical protection, repair
• Cable Shielding: Non-shielded|| Tape Shield|| UniShield®|| Wire Shield
• Cable Type: Non-Shieled, Solid Dielectric Power Cable
• Color Family (incorporate Product Color): Black
• Conductor Material: Aluminum|| Copper
• Conductor Size Range: 250-400 kcmil
• Conductor Sizes: 125-200 mm²
• Halogen Free: No
• Inner Diameter After Shrink (Imperial): 0.661 in
• Inner Diameter After Shrink (Metric): 16.8 mm
• Inner Diameter Before Shrink (Imperial): 1.382 in
• Inner Diameter Before Shrink (Metric): 35.1 mm
• Manufacturing Origin: USA
• Material: EPDM Rubber
• Maximum Connector Length: 8.0 in
• Maximum Connector Length (Metric): 203.2 mm
• Maximum Operating Temperature (Celsius): 90 Degree Celsius
• Maximum Operating Temperature (Fahrenheit): 194 Degree Fahrenheit
• Minimum Operating Temperature (Celsius): -40 Degree Celsius
• Minimum Operating Temperature (Fahrenheit): -40 Degree Fahrenheit
• Number of Conductors: 1
• Overall Length (Imperial): 12 in
• Overall Length (Metric): 304.8 mm
• Relaxed Tube Length: 12 in
• Relaxed Tube Length (Metric): 304.8 mm
• Splice Type: Cold Shrink
• Voltage: 1 kV
• Voltage Application: Low Voltage

Packaging

• Package Length: 20.00000 in
• Package Height: 1.50000 in
• Package Weight: 0.3360 LBS

Downloads