3M 20019 Copper/Aluminum Connector
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Manufacturer 3M
Mfg Catalog # 20019
Irby Part # 256149


  • Standard barrel ensures reliable performance
  • Built-in solid center oil stop
  • The 3M™ Scotchlok™ Connectors 20000 Series can be used with either copper or aluminum conductors. These aluminum connectors feature color coded end caps for identification. Contact aid provided in connector is compatible with poly/EPR insulations. Each connector is electro tin plated to resist electrolytic corrosion, and have a solid center stop. (UL 486B Listed)
  • Made of aluminum for good conductivity and has corrosion-resistant tin plating
  • Rated up to 35 kV
  • Meets ANSI C119.4 and RoHS 2011/65/EU Compliant
  • Barrel has color stripes that help to indicate the wire range

Legal Disclaimer

  • The designation that a product is Manufactured in the USA means the product undergoes substantial transformation in one of our U.S. Manufacturing plants. Some products contain imported components.
  • Note: 3M products offered on a government contract that require country of origin representation must be certified by 3M Trade Compliance. Contact customer service at 800-245-3573 to request a certificate.


  • 3M ID: 80610033658
  • Agency Approvals: UL Listed
  • Barrel Style: Standard Barrel
  • Brand: Scotchlok™
  • Case Quantity: 3
  • Color Family: Yellow
  • Connector Base Metal: Aluminum
  • Connector Type: Compression Connectors
  • Electrical Connector Type: Compression Connectors
  • For Use With: Aluminum or Copper Conductors
  • Indoor/Outdoor: Both
  • Inside Diameter (Imperial): 1.03 in
  • Inside Diameter (Metric): 26.2 mm
  • Manufacturing Origin: USA
  • Maximum Conductor Size: 750 kcmil
  • Maximum Operating Voltage: 35 Kilovolt
  • Maximum Stranded Conductor Size: 750 kcmil
  • Minimum Conductor Size: 750 kcmil
  • Outer Diameter (Imperial): 1.5 in
  • Outside Diameter (Metric): 38.1 mm
  • Overall Length (Imperial): 4.68 in
  • Overall Length (Metric): 118.8 mm
  • Product Color: Yellow


UPC 05400713376
GTiN 00054007133766
Length 4.68 in
Width 1.5 in
Color Yellow
Applications Aluminum or Copper Conductors
Family Brand Name Scotchlok
Sub Brand Scotchlok
Barrel Type Standard Barrel
Conductor Size 750 MCM
Inside Diameter 1.03 in
Overall Length 4.68 in

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