NSI Industries AL3/0-48 - 1 HoleStandard BarrelAluminum Compression Lug3/0 AWG -1/2 Bolt Standard BarrelAluminum Compression Lugs is a type ofaluminum compression connector that is produced from high conductivityaluminum tubing.Center stop assures proper cable installation.They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
NSI Industries

AL3/0-48

UPC: 662381030092


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Overview

The NSI Industries AL3/0-48 is a high-conductivity aluminum compression lug designed for reliable electrical connections. Manufactured from premium aluminum tubing, this lug ensures excellent conductivity and durability. It features a standard barrel design with a single mounting hole and is engineered to accommodate 3/0 AWG conductors, with a 1/2" bolt size for secure fastening. A crucial design element is the center stop, which guarantees precise and proper cable installation, preventing over-insertion and ensuring a consistent crimp. For enhanced longevity and performance in various environments, the AL3/0-48 is electro-tin plated. This plating provides superior corrosion resistance, protecting the lug from environmental degradation and maintaining low contact resistance over time. The lug is clearly marked with die index information and color-coded (Tan for this specific model), facilitating easy identification and selection during installation. This color-coding system, along with the die index, streamlines inventory management and reduces the potential for errors. This compression lug is cULus Listed and UL486A/B Listed for wire connectors, meeting stringent industry safety and performance standards. It is also UL Listed for 35KV maximum when properly installed according to cable manufacturer specifications, making it suitable for medium-voltage applications. The temperature rating is 90°C, and it is compatible with NSI crimp tools N1240 and N121D. The voltage rating is 600V maximum, or 2000V maximum per UL486B. The AL3/0-48 is manufactured in the USA, ensuring quality and adherence to domestic manufacturing standards. Its robust construction and adherence to critical electrical codes make it a dependable choice for power distribution and industrial electrical systems.
  • Constructed from high-conductivity aluminum tubing for optimal electrical performance.
  • Electro-tin plated for superior corrosion resistance and low contact resistance.
  • Features a center stop for accurate cable installation and consistent crimping.
  • Clearly marked with die index and color-coded (Tan) for easy identification.
  • UL Listed for 35KV maximum when properly installed; cULus and UL486A/B Listed.

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
3/0 AWG (STR)
Color
Ruby
Environmental Conditions
90 C
Finish
Tin Plated Bronze
Material
Aluminum
Mounting
1/2 Mounting Hole
Number Of Holes
1
Size
L=3.00 - W=1.02 - OD=.759 - ID=.480
Special Features
3/0 AWG (STR) - 1/2 Mounting Hole
Standard
UL486A/B
Stud Size
1/2 IN
Type
Standard Barrel - One Hole
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
3 IN x 1.028 IN x 0.76 IN
Package Dimensions (L x W x H)
7.62 cm x 2.6111 cm x 19.304 mm
Package Weight (Imperial)
0.888 L
Package Weight (Metric)
0.403 kg
Mechanical Crimp Tool with 5/8 Inch Nose Die APPLICATIONS: Designed for use with wide range and H-Tap connectors. It has fiberglass handles and comes with "O" and "D" Nose Dies. It has an output of 4.5 tons.

OD581

Mechanical Crimp Tool with 5/8 Inch Nose Die APPLICATIONS: Designed for use with wide range and H-Tap connectors. It has fiberglass handles and comes with "O" and "D" Nose Dies. It has an output of 4.5 tons.
O' Die for OD581 Mechanical Crimp Tool

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U-Type Compression Die - Pink 1/0 AWG Copper - 2 AWG Aluminum U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.

CD6A

U-Type Compression Die - Pink 1/0 AWG Copper - 2 AWG Aluminum U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.
U-Type Compression Die - Black 2/0 AWG Copper U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.

CD7

U-Type Compression Die - Black 2/0 AWG Copper U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.
Non-Insulated Parallel Splice Connector For Wire Range 6 For Circular Mil Range 20,800-33,100 Length .5 Diameter .365,Metallic

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Non-Insulated Butt Splice, Length 0.63 Inches, Width 0.13 Inches, Wire Range 22-18 AWG, Copper, Tin Plated, 100 Pack

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Non-Insulated Butt Splice, Length 0.63 Inches, Width 0.13 Inches, Wire Range 22-18 AWG, Copper, Tin Plated, 100 Pack
PVC Coated Junction Box, 12 Inch X 12 Inch X 6 Inch, 14 Gauge, Gray

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Molded Junction Box, Length 4 Inch x Width 4 Inch x Depth 2 Inch, Material Polycarbonate, Color Gray

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Molded Junction Box, Length 4 Inch x Width 4 Inch x Depth 2 Inch, Material Polycarbonate, Color Gray
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

1SNK705010R0000

Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

1SNK705030R0000

Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

How to Install and Crimp NSI Aluminum Compression Connectors

Install an NSI aluminum compression lug or splice by selecting the correct connector size, preparing the conductor, and crimping it with the approved tool and die. Follow the strip-length and crimp-count guidance to ensure a secure, code-compliant connection.

Tools needed:

Wire stripper, Wire brush, Approved compression crimp tool (NSI N12ID, N1240 series, Greenlee EK/RK/HK1240,, Burndy Y-35/Y750, or PAT 750 as applicable)

Supplies needed:

Correct NSI aluminum lug or splice connector for the conductor size, Appropriate approved die set for the selected tool, Conductor/cable to be terminated

  1. Select the correct connector and tool

    Choose the NSI aluminum lug or splice connector that matches the conductor size and series requirements. Verify the strip length and approved tool/die combination from the chart before starting, and do not use an unapproved tool. For 1000 MCM connectors, use 15-ton tools.

  2. Strip the conductor to the specified length

    Carefully strip the insulation from the conductor to the charted strip length without nicking or damaging the strands. Make sure the stripped length is long enough for the conductor to fully insert into the connector barrel and fill it completely.

  3. Clean the stripped conductor

    Wire brush the stripped portion of the conductor to remove oxide films and contamination. Keep the cleaned conductor dry and handle it carefully so the surface remains clean before insertion.

  4. Insert the conductor fully into the barrel

    Insert the clean, stripped conductor completely into the connector barrel so the conductor fills the barrel. Confirm that the conductor is fully seated before crimping.

  5. Crimp the connector at the marked locations

    Crimp the connector using the approved tool and die set, following the barrel markings for suggested crimp locations. Apply the number of crimps specified for the connector type; for splice connectors, the crimp count is per side. Verify that each crimp is completed fully and evenly.

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