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NSI Industries AL750-48 - 1 HoleStandard BarrelAluminum Compression Lug750MCM -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

AL750-48

UPC: 662381030207


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Technical BulletinInstallation Instructions

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Overview

The NSI Industries AL750-48 is a single-hole standard barrel aluminum compression lug designed for reliable cable terminations. Manufactured from high-conductivity aluminum tubing, this lug ensures efficient electrical current transfer. A precisely engineered center stop guarantees correct cable insertion, preventing improper installation and ensuring consistent performance. The AL750-48 features a tin-plated finish, providing essential corrosion resistance and extending the service life of the connection, especially in challenging industrial environments. For simplified inventory management and quick identification during installation, each lug is marked with its die index and color-coded. This compression lug is rated for a maximum of 35kV when properly installed, making it suitable for medium-voltage applications. It is designed for use with 750 MCM cables and accommodates a 1/2" bolt size. NSI Industries' commitment to quality ensures that the AL750-48 meets stringent electrical and mechanical standards, offering dependable performance for critical infrastructure projects, including power distribution, substations, and renewable energy installations. Trust the AL750-48 for durable and efficient power connections.
  • High-conductivity aluminum tubing for efficient current transfer
  • Center stop for proper cable installation
  • Tin-plated for superior corrosion resistance
  • Die index and color-coded for easy identification
  • Rated for 35kV maximum when properly installed

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
750 MCM (STR)
Color
Yellow
Connection Type
Compression Lug
Connection Type
Compression
Environmental Conditions
90 C
Finish
Tin Plated Bronze
Material
Aluminum
Mounting
1/2 Mounting Hole
Number Of Holes
1
Size
L=6.11 - W=2.18 - OD=1.59 - ID=1.03
Size
750 MCM
Special Features
750 MCM (STR) - 1/2 Mounting Hole
Standard
UL486A/B
Stud Size
1/2 IN
Type
Standard Barrel - One Hole
Voltage Rating
35kV
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
6.118 IN x 2.189 IN x 1.598 IN
Package Dimensions (L x W x H)
15.5397 cm x 5.5601 cm x 4.0589 cm
Package Weight (Imperial)
1.920 L
Package Weight (Metric)
0.871 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.
Ratchet Drive Crimping Tool APPLICATIONS: Ratchet Drive Crimping Tool is for non-insulated terminals from 6 to 1/0 AWG and insulated terminals from 22 to 8 AWG. Rugged, compact, and lightweight. Requires minimum effort due to ratchet action, ensuring an excellent crimp every time. FEATURES: TYPE: Insulated and Uninsulated ACTION: Ratchet INSULATED USE: Terminals 22 to 8 AWG NON-INSULATED USE: Terminals 6 to 1/0 AWG MANUFACTURER: NSi Industries PART NUMBER: RDC 1/0 UPC: 662381055309

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Ratchet Drive Crimping Tool APPLICATIONS: Ratchet Drive Crimping Tool is for non-insulated terminals from 6 to 1/0 AWG and insulated terminals from 22 to 8 AWG. Rugged, compact, and lightweight. Requires minimum effort due to ratchet action, ensuring an excellent crimp every time. FEATURES: TYPE: Insulated and Uninsulated ACTION: Ratchet INSULATED USE: Terminals 22 to 8 AWG NON-INSULATED USE: Terminals 6 to 1/0 AWG MANUFACTURER: NSi Industries PART NUMBER: RDC 1/0 UPC: 662381055309
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 #4 AWG, Circular Mil Range 33,100-52,600, Length 0.531 Diameter 0.41, Nickel Plated

F4-PS-W-NP

Non-Insulated Parallel Splice Connector For Wire Range #4 AWG, Circular Mil Range 33,100-52,600, Length 0.531 Diameter 0.41, Nickel Plated
Power Distribution Block (1) 2/0-14 AWG Primary (6) 4-14 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set.

AS-K1-H6

Power Distribution Block (1) 2/0-14 AWG Primary (6) 4-14 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set.
PVC Coated Junction Box, 12 Inch X 12 Inch X 6 Inch, 14 Gauge, Gray

A1212SC-G

PVC Coated Junction Box, 12 Inch X 12 Inch X 6 Inch, 14 Gauge, Gray
Molded Junction Box, Length 4 Inch x Width 4 Inch x Depth 2 Inch, Material Polycarbonate, Color Gray

E989NNJ-5-HD

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 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.

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