NSI Industries AL600-48 - 1 HoleStandard BarrelAluminum Compression Lug600MCM -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

AL600-48

UPC: 662381030184


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Technical BulletinInstallation Instructions

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Overview

The NSI Industries AL600-48 Aluminum Compression Lug is a high-conductivity, tin-plated connector engineered for reliable 600MCM cable terminations in medium-voltage applications up to 35kV. Manufactured from high-strength 6061T-6 aluminum alloy, this compression lug delivers superior electrical performance with low contact resistance and exceptional corrosion resistance in harsh environments. The center stop ensures proper cable insertion depth, while the color-coded barrel and die index markings simplify tool selection and installation consistency. Pre-filled with oxide inhibitor and capped with a removable end plug, the AL600-48 is factory-ready for immediate use, reducing installation time and eliminating the need for additional corrosion protection compounds. Rated for 35kV maximum when installed per cable manufacturer specifications, this lug is cULus and UL486A/B listed, ensuring compliance with North American safety standards. The 1/2" bolt hole and standard barrel design provide compatibility with NEMA mounting configurations, making it ideal for panelboard, switchgear, and transformer applications. With a temperature rating of 90°C and voltage rating of 600V (2000V max per UL486B), the AL600-48 supports both copper and aluminum conductors, offering dual-rated versatility for industrial and utility installations. Compatible with NSI N1240 and N121D crimp tools, this lug ensures consistent, repeatable crimps for long-term electrical integrity.
  • 600MCM wire range with 1/2" bolt hole for secure connections
  • 35kV maximum voltage rating, cULus and UL486A/B listed
  • Tin-plated aluminum construction with center stop for proper cable insertion
  • Color-coded barrel with die index markings for tool compatibility
  • Pre-filled with oxide inhibitor and capped for corrosion protection

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
600 MCM (STR)
Color
Black
Environmental Conditions
90 C
Finish
Tin Plated Bronze
Material
Aluminum
Mounting
1/2 Mounting Hole
Number Of Holes
1
Size
L=5.11 - W=1.95 - OD=1.44 - ID=.921
Special Features
600 MCM (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)
5.118 IN x 1.957 IN x 1.441 IN
Package Dimensions (L x W x H)
12.9997 cm x 4.9708 cm x 3.6601 cm
Package Weight (Imperial)
1.590 L
Package Weight (Metric)
0.721 kg
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How to Install Aluminum Compression Connectors

This guide provides step-by-step instructions for installing aluminum compression connectors, ensuring a secure and reliable electrical connection.

Estimated time: 30m

Tools needed:

Wire strippers, Crimping tool, Wire brush

Supplies needed:

Aluminum compression connectors, Cable

  1. Select the appropriate connector

    Choose the correct lug or splice connector based on the size of the cable being installed, ensuring it matches the specifications in the provided chart.

  2. Strip the cable insulation

    Carefully strip the insulation from the conductor without nicking the strands, leaving enough length to fully insert the stripped conductor into the connector barrel.

  3. Clean the conductor

    Use a wire brush to clean the stripped portion of the conductor, removing any oxide films to ensure a good electrical connection.

  4. Insert the conductor into the connector

    Insert the cleaned and stripped conductor completely into the connector barrel, ensuring it fills the barrel completely.

  5. Crimp the connector

    Using the appropriate crimping tool, crimp the connector according to the manufacturer's specifications, ensuring the number of crimps is per side for a splice connector.

  6. Verify the connection

    Inspect the crimped connection to ensure it is secure and that there are no visible gaps or loose strands.

Frequently Asked Questions about NSI Industries

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Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

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