NSI Industries L400N - 2Hole Long Barrel Copper Compression Lug400 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.
NSI Industries

L400N

UPC: 662381035165


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Overview

The NSI Industries L400N is a high-conductivity copper compression lug designed for robust electrical connections. Manufactured from premium copper tubing, this long barrel lug ensures excellent conductivity and low contact resistance, critical for reliable power transmission. It features a tin plating for superior corrosion resistance, extending the lifespan of your electrical infrastructure. The L400N is engineered for 400 MCM conductors and accepts a 1/2" bolt size, providing a secure termination point. This lug is marked with a clear die index and color-coded for simplified identification and installation, reducing potential errors in the field. It is UL486A Listed as a wire connector and is rated for 600V, with a temperature rating of 90 °C. Crucially, the L400N is listed for 35KV maximum when properly installed according to cable manufacturer instructions, making it suitable for medium-voltage applications. For applications exceeding 2000V, consult the cable manufacturer's voltage stress relief instructions. The long barrel design offers increased conductor surface contact, enhancing the overall reliability and performance of the connection. This lug is manufactured in the USA, ensuring adherence to stringent quality standards. It is ideal for use in power distribution, industrial control systems, and other demanding electrical environments where a secure and durable connection is paramount. The L400N is a dependable choice for electricians and engineers seeking a high-quality copper compression lug for critical power applications.
  • Constructed from high-conductivity copper tubing for optimal electrical performance.
  • Tin-plated for enhanced corrosion resistance and low contact resistance.
  • Long barrel design ensures secure and reliable termination for 400 MCM conductors.
  • Accepts a 1/2" bolt size for versatile mounting options.
  • UL486A Listed wire connector, rated for 600V and 90°C, with 35KV maximum listing when properly installed.

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
400 MCM (STR)
Color
Blue
Connection Type
Compression
Current Rating
400 A
Environmental Conditions
90 C
Finish
Tin Plated
Material
Copper
Mounting
1/2 Mounting Holes
Number Of Holes
2
Poles
2
Series
L400N
Size
L=5.47 - W=1.39 - OD=.950 - ID=.760
Size
400 MCM
Special Features
400 MCM (STR) - 1/2 Mounting Holes - 1 3/4 Hole Spacing
Standard
UL486A/B
Stud Size
1/2 IN
Type
Long Barrel - Two Hole
Voltage Rating
35 kV
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
5.47 IN x 1.39 IN x 0.95 IN
Package Dimensions (L x W x H)
13.8938 cm x 3.5306 cm x 24.13 mm
Package Weight (Imperial)
2.700 L
Package Weight (Metric)
1.225 kg
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How to Install the L400N Copper Compression Connectors

This guide provides step-by-step instructions for installing L400N copper compression connectors, ensuring secure and reliable electrical connections.

Estimated time: 30m

Tools needed:

Wire strippers, Crimping tool, Multimeter

Supplies needed:

Copper compression connectors, Wire brush, Insulation tape

  1. Select the appropriate connector

    Choose the correct size of copper compression connector based on the wire gauge you are using, ensuring it matches the specifications provided in the connector chart.

  2. Strip the wire insulation

    Carefully strip the insulation from the conductor to a length that allows the stripped conductor to fill the barrel of the connector completely, avoiding any damage to the wire strands.

  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

    Fully insert the cleaned stripped conductor into the barrel of the compression connector, ensuring it is completely seated.

  5. Crimp the connector

    Using the appropriate crimping tool, apply pressure to the connector at the designated crimp locations to secure the conductor within the connector.

  6. Verify the connection

    Use a multimeter to check the continuity of the connection, ensuring there are no breaks or high resistance in the circuit.

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.