NSI Industries SL750N - 2 Hole Long Barrel Copper Stacked Compression Lug 750 MCM - 1/2" Bolt Long Barrel Copper Stacked Compression Lugs is a type of copper compression connector that is produced from high conductivity copper tubing. They are designed for use with the L-N Series. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference.
NSI Industries

SL750N

UPC: 662381035592

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Overview

The NSI Industries SL750N is a high-conductivity copper stacked compression lug designed for robust electrical terminations. Engineered from premium copper tubing, this lug ensures superior conductivity and durability for heavy-duty applications. It is specifically designed for use with the NSI L-N Series, providing a reliable connection point for 750 MCM conductors. The SL750N features a long barrel design, offering ample surface area for secure crimping and enhanced pull-out resistance. For added protection against environmental factors, the lug is tin-plated, which significantly improves corrosion resistance and maintains low contact resistance over time. This tin plating also contributes to the lug's longevity in demanding electrical systems. Identification and ease of use are key features of the SL750N. Each lug is clearly marked with its specific die index, simplifying tool selection during installation. Furthermore, it is color-coded, allowing for quick and accurate identification of the correct lug for a given wire range and application. This color-coding system is crucial for maintaining consistency and reducing errors in complex electrical installations. The SL750N is UL486A Listed as a wire connector, meeting stringent industry safety and performance standards. It is rated for a maximum temperature of 90°C and a voltage of 600V. Importantly, when properly installed, this lug is also listed for 35KV maximum applications, making it suitable for medium-voltage systems. The lug features two mounting holes, each accommodating a 1/2" bolt, with a standard mounting hole spacing of 1.750 inches. The dimensions include a barrel length of 3.480 inches, a width of 1.884 inches, and a tang length of 0.640 inches, ensuring a substantial and secure connection. The standard carton quantity for the SL750N is 3 units, designed for efficient project management and inventory control. Trust NSI Industries for reliable, high-quality compression connectors that meet the rigorous demands of electrical infrastructure.
  • Constructed from high-conductivity copper tubing for superior electrical performance.
  • Tin-plated finish provides excellent corrosion resistance and low contact resistance.
  • Long barrel design ensures a secure and robust crimp connection.
  • Marked with die index and color-coded for easy identification and installation.
  • UL486A Listed for wire connection, rated for 600V and 90°C, suitable for up to 35KV when properly installed.

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
750 MCM (STR)
Color
Black
Connection Type
Compression
Environmental Conditions
90 C
Finish
Tin Plated
Material
Copper
Material
Tinned Copper
Mounting
1/2 Mounting Holes
Mounting Type
2 Hole Bolt
Number Of Holes
2
Series
L-N Series
Size
L=7.00 - W=1.74 - OD=1.31 - ID=1.04
Size
750 MCM
Special Features
750 MCM 9STR) - 1/2 Mounting Holes - 1 3/4 Hole Spacing
Standard
UL486A/B
Stud Size
1/2 IN
Type
Long Barrel Stacking Lugs
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
6.8 IN x 1.758 IN x 2.957 IN
Package Dimensions (L x W x H)
17.272 cm x 4.4653 cm x 7.5108 cm
Package Weight (Imperial)
3.450 L
Package Weight (Metric)
1.565 kg
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How to Install the SL750N Copper Compression Connectors

This guide provides step-by-step instructions for installing SL750N copper compression connectors, ensuring a secure and reliable electrical connection.

Estimated time: 30m

Tools needed:

Wire strippers, Mechanical crimp tool (NSI M-750)

Supplies needed:

Copper compression connectors, Wire brush

  1. Strip the conductor

    Carefully strip the insulation from the conductor to a length that allows the stripped conductor to completely fill the barrel of the connector.

  2. 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.

  3. Insert the conductor

    Insert the cleaned and stripped conductor completely into the barrel of the compression connector.

  4. Crimp the connector

    Using the appropriate mechanical crimp tool, crimp the connector securely according to the manufacturer's specifications.

  5. Verify the connection

    Inspect the crimped connection to ensure it is secure and that the conductor is fully seated within the connector.

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