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NSI Industries L40048 - 1 Hole Long Barrel Copper Compression Lug 400 MCM - 1/2" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .

NSI Industries L40048 1 Hole Long Barrel Copper Compression Lug 400 MCM - 1/2" Bolt Long Barrel Copper…

UPC: 662381034168


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Technical BulletinInstallation Instructions

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Multiplier: 6

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Overview

The NSI Industries L40048 is a 1-hole long barrel copper compression lug engineered for high-voltage electrical terminations up to 35KV. Designed for 400 MCM Class B or C building wire CU cable, this lug ensures reliable, low-resistance connections in power distribution, industrial machinery, and critical infrastructure. Manufactured from high-conductivity copper tubing and tin-plated for corrosion resistance, the L40048 delivers consistent performance with a temperature rating of 90°C and a voltage rating of 600V. The long barrel design provides superior wire insulation support, reducing strain and improving connection integrity in demanding environments. Each lug is color-coded and marked with die index information for easy identification and installation, minimizing errors and downtime. For applications exceeding 2000V, consult the cable manufacturer's voltage stress relief instructions to ensure optimal performance and safety. The L40048 is produced from high conductivity copper tubing, ensuring optimal electrical performance. It is tin-plated to provide corrosion resistance and low contact resistance, maintaining reliable connections over time. The lug is marked with die index and color coded for easy reference, simplifying inventory management and installation. It is listed for 35KV maximum when properly installed and to cable manufacturer instructions, making it suitable for high-voltage applications. The temperature rating of 90 degrees C ensures safe operation under continuous load conditions. The 1/2" bolt size provides secure fastening, while the long barrel design offers enhanced wire support and strain relief. This lug is ideal for terminating 400 MCM Class B or C building wire CU cable in power distribution systems, industrial equipment, and critical infrastructure where dependable electrical connections are essential.
  • 1-hole long barrel design for 400 MCM Class B or C CU cable
  • Tin-plated copper construction for corrosion resistance and low contact resistance
  • Color-coded and die-index marked for easy identification and installation
  • UL486A listed wire connector with 90°C temperature rating and 600V rating
  • Compatible with 1/2" bolt size; suitable for applications up to 35KV when installed per cable manufacturer instructions

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
400 MCM (STR)
Color
Blue
Connection Type
Compression Lug
Current Rating
400 MCM
Environmental Conditions
90 C
Finish
Tin Plated
Material
Copper
Mounting
1/2 Mounting Hole
Number Of Holes
1
Size
L=3.85 - W=1.38 - OD=.949 - ID=.764
Size
400 MCM, 1/2" Bolt
Special Features
400 MCM (STR) - 1/2 Mounting Hole
Standard
UL486A/B
Stud Size
1/2 IN
Type
Long Barrel - One Hole
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
3.858 IN x 1.386 IN x 0.949 IN
Package Dimensions (L x W x H)
9.7993 cm x 3.5204 cm x 24.1046 mm
Package Weight (Imperial)
1.980 L
Package Weight (Metric)
0.898 kg
2 Hole Short Barrel Copper Compression Lug w/ Peep Hole 400 MCM - 1/2" Bolt Short Barrel Copper Compression Lugs with Peep Hole is a type of copper compression connector that is produced from high conductivity copper tubing. 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.

GL400N

2 Hole Short Barrel Copper Compression Lug w/ Peep Hole 400 MCM - 1/2" Bolt Short Barrel Copper Compression Lugs with Peep Hole is a type of copper compression connector that is produced from high conductivity copper tubing. 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.
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251-30485-1088

Cast-Copper Two-Way Reducing Splice for 400mcm Str Wire to 250mcm Str, Die Code 99, Die Color Code Pink
Panduit BSV14X-E Vinyl Insulated Butt Splice

BSV14X-E

Panduit BSV14X-E Vinyl Insulated Butt Splice
Butt Splice 1.5 to 2.5 mm - 16 to 14 AWG - Blue

1SET141003R0000

Butt Splice 1.5 to 2.5 mm - 16 to 14 AWG - Blue
Offset Pin Terminal 250 MCM All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The pin is offset for use in tight spaces and for ease of installation in side-by-side terminations. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.

PTO-250

Offset Pin Terminal 250 MCM All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The pin is offset for use in tight spaces and for ease of installation in side-by-side terminations. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.
2Hole Long Barrel Copper Compression Lug1000 MCM-1/2" Bolt Long Barrel Copper Compression Lugs is a type of copper compression connector that is produced from high conductivity copper tubing. 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.

L1000N

2Hole Long Barrel Copper Compression Lug1000 MCM-1/2" Bolt Long Barrel Copper Compression Lugs is a type of copper compression connector that is produced from high conductivity copper tubing. 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.
Solid Pin Terminal for Copper and Aluminum Conductors 4/0 AWG All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.

PTS4/0

Solid Pin Terminal for Copper and Aluminum Conductors 4/0 AWG All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.
Solid Pin Terminal for Copper and Aluminum Conductors 250 MCM All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.

PTS250

Solid Pin Terminal for Copper and Aluminum Conductors 250 MCM All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.

How to Install Copper Compression Connectors

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

Estimated time: 30m

Tools needed:

Wire strippers, Crimping tool, Multimeter

Supplies needed:

Copper compression connectors, Wire brush, Insulation tape

  1. Strip the wire

    Carefully strip the insulation from the conductor without nicking the strands, ensuring the stripped length allows the conductor to 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 conductor completely into the barrel of the connector, ensuring it is fully seated.

  4. Crimp the connector

    Using the appropriate crimping tool, crimp the connector securely onto the conductor, following the manufacturer's suggested crimp locations.

  5. Verify the connection

    Use a multimeter to check the continuity of the connection, ensuring it is secure and functioning properly.

Frequently Asked Questions about NSI Industries

How are Tork products typically installed?

Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

What environmental ratings do Tork products have?

Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

What communication protocols do Tork products support?

Tork products support a comprehensive range of communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU integrated as standard. These protocols facilitate flexible network integration and high-performance communication across various industrial automation systems.

What are the key features of Tork products?

Tork products are designed with advanced features that enhance efficiency and reliability in industrial applications. Key features include integrated harmonics and EMC design for improved power quality, removable terminals for quick installation, and USB ports for easy troubleshooting. Additionally, Tork solutions emphasize user-friendly setup with application wizards and memory modules for convenient parameter management.

What are the main product lines offered by Tork?

Tork offers a diverse range of products primarily focused on industrial automation, including TORK® Photocontrols, lighting controls, and various electrical components such as enclosures, occupancy sensors, and grounding solutions. These products are designed to enhance efficiency and reliability in commercial and industrial applications.

What technical support does Tork offer?

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.

What industries and applications are Tork products used for?

Tork products are utilized across a variety of industries, including food processing, healthcare, hospitality, and manufacturing. They are designed for applications such as hand hygiene, surface cleaning, and dispensing solutions, ensuring efficiency and compliance in environments that require high standards of cleanliness and safety.

What certifications and standards do Tork products comply with?

Tork products comply with UL and cUL certifications, ensuring they meet rigorous safety and performance standards. Additionally, many models are designed to meet NEMA enclosure ratings, providing protection against environmental factors.

How are Remke products typically installed?

Remke products are typically installed through a systematic process that includes site audits to verify proper wiring, followed by remote or on-site commissioning. This commissioning involves installation verification, programming, and communication testing to ensure the system operates reliably and meets design specifications.

What accessories are available for Remke products?

Remke offers a wide range of accessories for their products, including panel mounting kits, fuse holders for voltage inputs, ferrites for communication modules, and current transformers. These accessories enhance the functionality and protection of Remke's industrial automation solutions, ensuring reliable performance in various applications.