NSI Industries 256-US - Connector, Compression, Made in the USA. Size 2 1/2 Inch.
NSI Industries

256-US

UPC: 781747022561


Documents & Media
Specification SheetVideo ClipWarranty

Contact for Pricing

Minimum Qty: 2

Multiplier: 2

*Contact for lower quantities*

Overview

The NSi Industries 256-US 2 1/2" compression connector is a UL486A-listed, tin-plated copper connector engineered for secure, long-lasting connections in industrial applications. Designed for flexible and extra-flexible copper cables—including locomotive, welding, mining, and diesel locomotive cables—this connector features a gently flared end to ease cable insertion while reducing strand damage from movement. The connector’s tin plating ensures corrosion resistance, and its NEMA-spaced mounting holes (1¾") accommodate standard hardware. With a temperature rating of 90°C and a maximum voltage of 600V, the 256-US meets stringent UL and cULus standards for reliability in demanding environments. Ideal for HVAC, mechanical systems, and heavy-duty electrical installations, this Made in the USA connector delivers consistent performance with minimal maintenance. Compatible with NSI N12ID dieless compression tools, it supports expanded wire ranges for versatility across applications. The 2 1/2" size handles cable ranges from 250 MCM to 2/0 AWG, making it a versatile choice for professionals requiring durable, code-compliant connections.
  • UL486A and cULus Listed for compliance and safety
  • Tin-plated copper construction for corrosion resistance
  • Gently flared end for easy cable insertion and reduced strand damage
  • NEMA-spaced mounting holes (1¾") for standard hardware compatibility
  • Temperature rating: 90°C; Voltage rating: 600V

Specifications

Application
Compression type connectors used to join EMT to box or enclosure. Concrete Tight. Made in the USA
Connection Type
Compression
Connector Type
Compression
Finish
Zinc Electroplated
Insulation
False
Material
Metal
Material Quality
Steel
Series
256-US
Size
2-1/2 IN
Size
2.5 Inch
Special Features
Concrete tight
Standard
UL
Trade Size
2-1/2 in.
Type
Connector
Package Weight (Imperial)
2.560 L
Package Weight (Metric)
1.161 kg
Connector, Compression, Made in the USA, 105 Degree C Insulated Throat, Size 2 1/2 Inch.

256-USI

Connector, Compression, Made in the USA, 105 Degree C Insulated Throat, Size 2 1/2 Inch.
Compression Connector, Raintight and Insulated, Conduit Size 1-1/2 Inch, Material Zinc Plated Steel, For use with EMT Conduit

TC715A-RT

Compression Connector, Raintight and Insulated, Conduit Size 1-1/2 Inch, Material Zinc Plated Steel, For use with EMT Conduit
EMT Connectors, Color-Coded, Steel, Black, Size 3/4"

231-SBLK

EMT Connectors, Color-Coded, Steel, Black, Size 3/4"
Connector, Compression, Made in the USA Steel, Size 4 Inch.

259-US

Connector, Compression, Made in the USA Steel, Size 4 Inch.
EMT Connectors, Color-Coded, Steel, White, Size 3/4"

231-SW

EMT Connectors, Color-Coded, Steel, White, Size 3/4"
EMT Connectors, Color-Coded, Steel, Blue, Size 3/4"

231-SBLU

EMT Connectors, Color-Coded, Steel, Blue, Size 3/4"
EMT Connectors, Color-Coded, Steel, Yellow, Size 3/4"

231-SY

EMT Connectors, Color-Coded, Steel, Yellow, Size 3/4"
Orange Set Screw EMT Connector, Steel

231-SO

Orange Set Screw EMT Connector, Steel

Frequently Asked Questions

What is the UPC number for the connector?

The UPC number for the connector is 78174702256.

What is the catalog ID for this connector?

The catalog ID for this connector is 256-US.

Where is the connector manufactured?

The connector is manufactured in the USA.

How many connectors are in a standard package?

A standard package contains 10 connectors.

What is the size of the connector?

The connector has a trade size of 2 1/2 inches.

What is the size of the connector?

The connector has a trade size of 2 1/2 inches.

How many connectors are in a standard package?

A standard package contains 10 connectors.

Where is the connector manufactured?

The connector is manufactured in the USA.

What is the catalog ID for this connector?

The catalog ID for this connector is 256-US.

What is the UPC number for the connector?

The UPC number for the connector is 78174702256.

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.