NSI Industries 3-1000LL4 - 3 Port Panelboard Lug 1000 MCM - 500 MCM Large size set screw connectors with multiple mounting holes for a secure, turn-prevent connection. Made of 6061T-6 aluminum alloy. Tin plated for low contact resistance. For use with copper or aluminum conductors. 600V (2000V max, per UL486B). UL 486A/B Listed. Temperature rating 90 degrees C. All hole spacing is NEMA standard of 1.75".
NSI Industries

3-1000LL4

UPC: 662381001757


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Overview

The NSI Industries 3-1000LL4 3 Port Panelboard Lug is a high-capacity set-screw connector engineered for secure, low-resistance connections in industrial and commercial electrical systems. Designed for 1000 MCM to 500 MCM conductors, this lug accommodates both copper and aluminum wiring, making it a versatile solution for panelboard applications. Constructed from 6061T-6 aluminum alloy, the lug features electro-tin plating to minimize contact resistance and ensure long-term reliability. The multiple NEMA-standard 1.75" mounting holes prevent rotational movement, providing a stable and secure connection even under high torque conditions. With a voltage rating of 600V (2000V max per UL486B) and a temperature rating of 90°C, the 3-1000LL4 meets UL 486A/B certification standards, ensuring compliance with safety and performance requirements. Its robust design and dual-rated compatibility make it ideal for panelboards, switchgear, and other high-current distribution systems. The set-screw mechanism allows for easy installation and reusability, reducing downtime and maintenance costs. Whether upgrading existing systems or installing new infrastructure, the NSI 3-1000LL4 delivers dependable performance in demanding environments.
  • 3-port panelboard lug for 1000 MCM to 500 MCM conductors
  • Compatible with copper and aluminum wiring
  • 6061T-6 aluminum alloy with electro-tin plating for low contact resistance
  • NEMA-standard 1.75" mounting hole spacing for secure, turn-prevent connections
  • UL 486A/B listed, 600V rated (2000V max per UL486B), 90°C temperature rating

Specifications

Application
Wire Termination
Connection Type
Set Screw
Environmental Conditions
90 C
Material
6061T-6 Aluminum Alloy
Mounting Type
Multiple mounting holes
Nema Rating
NEMA standard 1.75" hole spacing
Poles
3 Port
Size
1000 MCM - 500 MCM
Special Features
(3) 1000-500 MCM - Dual Rated - 2 Pack
Standard
cULus
Type
Panelboard Lug
Voltage Rating
600 V
Package Dimensions (L x W x H)
6.19 IN x 4.69 IN x 1.88 IN
Package Dimensions (L x W x H)
15.7226 cm x 11.9126 cm x 4.7752 cm
Package Weight (Imperial)
5.920 L
Package Weight (Metric)
2.685 kg
1 Port Aluminum Lug 2/0-14 AWG Aluminum Single Lugs are versatile and reuseable set screw connectors made of 6061T-6 aluminum alloy. Electro tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts, 90 degrees C. UL 486A/B Listed.

2/0T

1 Port Aluminum Lug 2/0-14 AWG Aluminum Single Lugs are versatile and reuseable set screw connectors made of 6061T-6 aluminum alloy. Electro tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts, 90 degrees C. UL 486A/B Listed.

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.