NSI Industries N-4L - 3 Wire Copper Split Bolt Connector 4 AWG Copper Split Bolt Connectors are high-strength solderless service connectors made of high-copper alloy for copper and copperweld wires. Type for three maximum wire sizes.
NSI Industries

N-4L

UPC: 662381020222

Contact for Pricing

Overview

The NSI Industries N-4L 3-Wire Copper Split Bolt Connector is a high-strength, solderless service connector engineered for reliable electrical connections in copper and copperweld wiring applications. Constructed from a high-copper alloy, this connector delivers superior corrosion resistance and mechanical durability, ensuring long-term performance in demanding environments. The N-4L supports up to three maximum wire sizes, making it versatile for various wiring configurations while minimizing inventory requirements. Its UL486A listing confirms compliance with stringent safety and performance standards for wire connectors, including direct burial applications when marked UL486D. The connector features a hex nut design for proper torque application using standard tools, ensuring consistent and secure electrical connections. With a recommended torque of 16 in-lb, the N-4L accommodates copper wire diameters ranging from 0.128 to 0.204 inches, providing flexibility for #4 AWG to #12 AWG conductors. Ideal for service connections, grounding systems, and distribution panels, this connector is a cost-effective solution for professionals requiring durable, high-performance wire termination.
  • High-strength copper alloy construction for corrosion resistance and durability
  • Supports up to three maximum wire sizes for versatile applications
  • UL486A listed for safety and performance compliance
  • Recommended torque: 16 in-lb for secure electrical connections
  • Accommodates copper wire diameters: 0.128–0.204 inches (#4 AWG to #12 AWG)

Specifications

Application
Wire Termination
Color
Copper
Connection Type
Solderless service connector
Environmental Conditions
90 C
Finish
Copper
Housing Material
Copper
Material
Copper
Material
High-copper alloy
Number Of Conductors
3
Number Of Poles
1
Size
L=1.200 - W=.492 IN
Size
4 AWG
Special Features
4 STR-12 STR - 75 Pack
Standard
UL486B
Temperature Rating
90 C
Temperature Rating, Maximum
194 F
Temperature Rating, Maximum
90 C
Temperature Rating, Minimum
194 F
Temperature Rating, Minimum
90 C
Type
Copper Split Bolts
Voltage Rating
600 V
Warranty
1 Year
Wire Size
4 STR - 12 STR
Wire Type
Class A & B
Package Dimensions (L x W x H)
0.452 IN x 0.492 IN x 1.299 IN
Package Dimensions (L x W x H)
11.4808 mm x 12.4968 mm x 3.2995 cm
Package Weight (Imperial)
0.085 L
Package Weight (Metric)
0.039 kg
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SPM-1L

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SPM-25L

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N-1000SP

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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.