NSI Industries 4-250L4 - 4 Port Panelboard Lug 250 MCM - 6 AWG 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

4-250L4

UPC: 662381001603

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Overview

The NSI Industries 4-250L4 is a robust 4-port panelboard lug designed for reliable termination of copper or aluminum conductors. Constructed from high-strength 6061-T6 aluminum alloy, this lug ensures durability and excellent electrical conductivity. Its tin-plated finish further enhances performance by providing low contact resistance and inhibiting corrosion, crucial for long-term system integrity. Engineered with large size set-screw connectors, the 4-250L4 offers a secure, turn-prevent connection, vital for maintaining stable electrical pathways in demanding applications. The lug features multiple mounting holes with NEMA standard spacing of 1.75 inches, facilitating standardized and secure installation onto panelboards. This dual-rated connector is UL 486A/B Listed, rated for 600V (2000V max per UL486B), and operates efficiently at a temperature rating of 90°C. Its conductor compatibility spans from 250 MCM down to 6 AWG, making it a versatile solution for various power distribution needs. The NSI 4-250L4 is an essential component for electrical contractors and panel builders seeking dependable and compliant wire termination solutions. Key specifications include a 1/2" mounting bolt size, 330 in-lbs maximum torque value, and a 5/16" hex wrench size. Dimensions for precise integration include a 0.56" mounting hole diameter, 3.88" length, 0.80" width, 0.30" height, 0.56" end of connector to center hole, 0.30" tang length, and 0.10" tang thickness. Each standard carton contains 20 units, ensuring availability for project requirements.
  • 4-port panelboard lug for 250 MCM - 6 AWG conductors
  • Constructed from durable 6061-T6 aluminum alloy
  • Tin-plated for low contact resistance and corrosion inhibition
  • Secure, turn-prevent set-screw connectors
  • UL 486A/B Listed for 600V (2000V max) and 90°C operation

Specifications

Application
Wire Termination
Special Features
(4) 250 MCM-6 AWG - Dual Rated - Pack
Standard
cULus
Type
Panelboard Lug
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
3.88 IN x 3.3 IN x 1.02 IN
Package Dimensions (L x W x H)
9.8552 cm x 8.382 cm x 2.5908 cm
Package Weight (Imperial)
2.010 L
Package Weight (Metric)
0.912 kg
4 Port Double Set Screw Panelboard Lug 800 MCM - 350 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".

4-800LL4

4 Port Double Set Screw Panelboard Lug 800 MCM - 350 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".
The NSI GBA20-14 Aluminum Isolated Ground Bar mounts onto most surfaces using the high-strength glass-filler polyester base, then fits up to 14 copper or aluminum cables in the 2/0 to 14 AWG size range. The high-strength aluminum alloy 6061-T6 body is dual-rated for use with copper and aluminum and forms reliable connections using the simple tightening screw lug design. Stock products you can rely on—stock NSI.

GBA20-14

The NSI GBA20-14 Aluminum Isolated Ground Bar mounts onto most surfaces using the high-strength glass-filler polyester base, then fits up to 14 copper or aluminum cables in the 2/0 to 14 AWG size range. The high-strength aluminum alloy 6061-T6 body is dual-rated for use with copper and aluminum and forms reliable connections using the simple tightening screw lug design. Stock products you can rely on—stock NSI.
DUAL RATED TRANSFORMER LUGS 600 MCM - 2 AWG

2/0TP-BULK

DUAL RATED TRANSFORMER LUGS 600 MCM - 2 AWG
Dual Rated Turn Prevent Lug 2/0-14 AWG with 1/4 Inch bolt size: Dual Rated Turn Prevent Lugs are made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. For use with both copper and aluminum conductors. Rated 600V (2000V max. per UL486B). UL 486A/B Listed. Temperature Rating 90 degrees C.

2/0TP

Dual Rated Turn Prevent Lug 2/0-14 AWG with 1/4 Inch bolt size: Dual Rated Turn Prevent Lugs are made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. For use with both copper and aluminum conductors. Rated 600V (2000V max. per UL486B). UL 486A/B Listed. Temperature Rating 90 degrees C.
Extruded Copper Single Lug - 4/0-2 AWG with 3/8 Inch Bolt Size is a solid, one-piece copper connector made from extruded copper for superior mechanical strength and excellent performance. Steel Screw. Suitable for use with copper wire only. 600V (2000V max. per UL486B). UL 486A/B Listed Wire Connectors.

4/0TC

Extruded Copper Single Lug - 4/0-2 AWG with 3/8 Inch Bolt Size is a solid, one-piece copper connector made from extruded copper for superior mechanical strength and excellent performance. Steel Screw. Suitable for use with copper wire only. 600V (2000V max. per UL486B). UL 486A/B Listed Wire Connectors.
Transformer Lugs

2/0TR

Transformer Lugs
4 Port Aluminum Dual Rated Transformer Lug 600 MCM - 2 AWG Aluminum Dual Rated Transformer Lugs are versatile and reuseable set screw connectors made of 6061T-6 aluminum alloy for superior electrical and mechanical performance. Two set screws per wire hole ensure an exceptional connection. Electro-tin plated for low resistance. For use with copper or aluminum conductors. Mounting hole spacing is NEMA 1-3/4". Meets or exceeds ANSI C119.4 Class A. Rated 600 Volts. Temperature Rating 90 degrees C.

4-600L6

4 Port Aluminum Dual Rated Transformer Lug 600 MCM - 2 AWG Aluminum Dual Rated Transformer Lugs are versatile and reuseable set screw connectors made of 6061T-6 aluminum alloy for superior electrical and mechanical performance. Two set screws per wire hole ensure an exceptional connection. Electro-tin plated for low resistance. For use with copper or aluminum conductors. Mounting hole spacing is NEMA 1-3/4". Meets or exceeds ANSI C119.4 Class A. Rated 600 Volts. Temperature Rating 90 degrees C.
4 Port Heavy Duty Dual Rated Transformer Lug 800 MCM - 300 MCM Heavy Duty Dual Rated Transformer Lugs are versatile and reusable set screw connectors made from high strength 6061-T6 aluminum alloy for superior electrical and mechanical performance. Two set screws per wire hole ensure an exceptional connection. Electro-tin plated for low contact resistance. For use with copper or aluminum conductors. Mounting hole spacing is NEMA 1-3/4". Meets or exceeds ANSI C119.4 Class A. Rated 600V. Temperature rating 90 degrees C.

4-800LL8

4 Port Heavy Duty Dual Rated Transformer Lug 800 MCM - 300 MCM Heavy Duty Dual Rated Transformer Lugs are versatile and reusable set screw connectors made from high strength 6061-T6 aluminum alloy for superior electrical and mechanical performance. Two set screws per wire hole ensure an exceptional connection. Electro-tin plated for low contact resistance. For use with copper or aluminum conductors. Mounting hole spacing is NEMA 1-3/4". Meets or exceeds ANSI C119.4 Class A. Rated 600V. Temperature rating 90 degrees C.
4 Port Heavy Duty Dual Rated Transformer Lug 350 MCM - 6 AWG Heavy Duty Dual Rated Transformer Lugs are versatile and reusable set screw connectors made from high strength 6061-T6 aluminum alloy for superior electrical and mechanical performance. Two set screws per wire hole ensure an exceptional connection. Electro-tin plated for low contact resistance. For use with copper or aluminum conductors. Mounting hole spacing is NEMA 1-3/4". Meets or exceeds ANSI C119.4 Class A. Rated 600V. Temperature rating 90 degrees C.

4-350LL6

4 Port Heavy Duty Dual Rated Transformer Lug 350 MCM - 6 AWG Heavy Duty Dual Rated Transformer Lugs are versatile and reusable set screw connectors made from high strength 6061-T6 aluminum alloy for superior electrical and mechanical performance. Two set screws per wire hole ensure an exceptional connection. Electro-tin plated for low contact resistance. For use with copper or aluminum conductors. Mounting hole spacing is NEMA 1-3/4". Meets or exceeds ANSI C119.4 Class A. Rated 600V. Temperature rating 90 degrees C.
4 Port Aluminum Dual Rated Transformer Lug 350 MCM - 6 AWG Aluminum Dual Rated Transformer Lugs are versatile and reuseable set screw connectors made of 6061T-6 aluminum alloy for superior electrical and mechanical performance. Two set screws per wire hole ensure an exceptional connection. Electro-tin plated for low resistance. For use with copper or aluminum conductors. Mounting hole spacing is NEMA 1-3/4". Meets or exceeds ANSI C119.4 Class A. Rated 600 Volts. Temperature Rating 90 degrees C.

4-350L6

4 Port Aluminum Dual Rated Transformer Lug 350 MCM - 6 AWG Aluminum Dual Rated Transformer Lugs are versatile and reuseable set screw connectors made of 6061T-6 aluminum alloy for superior electrical and mechanical performance. Two set screws per wire hole ensure an exceptional connection. Electro-tin plated for low resistance. For use with copper or aluminum conductors. Mounting hole spacing is NEMA 1-3/4". Meets or exceeds ANSI C119.4 Class A. Rated 600 Volts. Temperature Rating 90 degrees C.
2 Port Aluminum Lug 1/0 - 14 AWG Aluminum Double 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

2 Port Aluminum Lug 1/0 - 14 AWG Aluminum Double 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.
The NSI GBC2-7 Copper Isolated Ground Bar mounts onto most surfaces using the high-strength glass-filler polyester base, then fits up to 7 copper cables in the 2 to 14 AWG size range. The high-conductivity copper body is rated for use with copper wiring and forms reliable connections using the simple tightening screw lug design. Stock products you can rely on—stock NSI.

GBC2-7

The NSI GBC2-7 Copper Isolated Ground Bar mounts onto most surfaces using the high-strength glass-filler polyester base, then fits up to 7 copper cables in the 2 to 14 AWG size range. The high-conductivity copper body is rated for use with copper wiring and forms reliable connections using the simple tightening screw lug design. Stock products you can rely on—stock NSI.

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.