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NSI Industries 256-SRTI - Connector, Compression, Steel, Insulated Throat - 105 Degree C, size 2 1/2"
NSI Industries

256-SRTI

UPC: 781747122568


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Minimum Qty: 2

Multiplier: 2

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Overview

The NSI Industries 256-SRTI is a UL486A and cULus Listed (155027) steel compression connector engineered for reliable splicing of flexible copper cables in demanding electrical applications. This 2 1/2" connector features an insulated throat rated for 90°C and 600V, ensuring safe operation in locomotive, welding, mining, and diesel applications. Its flared openings at both ends facilitate easy insertion of flexible and extra-flexible cables, including Class H and Class M ASTM copper cables. The positive center stop ensures proper alignment during installation, while the tin-plated steel construction provides enhanced corrosion resistance. Designed exclusively for copper cables, the 256-SRTI is ideal for applications requiring robust, secure splices where cable flexibility and protection are critical. Listed for damp or wet locations, this connector meets the highest industry standards for performance and durability.
  • UL486A and cULus Listed (155027) for 600V applications
  • Rated for 90°C with tin-plated steel construction for corrosion resistance
  • Flared openings for easy insertion of flexible and extra-flexible copper cables
  • Positive center stop ensures proper alignment during installation
  • Designed for locomotive, welding, mining, and diesel cables (Class H and Class M ASTM copper only)

Specifications

Application
Used to join EMT to box or enclosure. Concrete/Raintight. Insulated Throat - 105°C. Patented
Connection Type
Compression
Connector Type
Steel Raintight/Concrete-Tight Insulated
Finish
Zinc Electroplated
Insulation
Insulated Throat
Material
Steel
Material Quality
Steel
Size
2-1/2 IN
Special Features
Connectors assembled with knockout gasket, no separate pieces to buy and stock
Standard
cULus
Temperature Rating, Maximum
221 F
Temperature Rating, Maximum
105 C
Temperature Rating, Minimum
221 F
Temperature Rating, Minimum
105 C
Trade Size
2-1/2 in.
Type
Connector
Voltage Rating
600 V
Package Weight (Imperial)
1.611 L
Package Weight (Metric)
0.731 kg
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Frequently Asked Questions

What is the trade size of the connector?

The trade size of the connector is 2-1/2 inches.

What is the material of the connector?

The connector is made of steel with a zinc electro-plate finish.

What type of application is this connector used for?

This connector is used to join EMT to a box or enclosure.

What is the maximum temperature rating?

The insulated throat has a maximum temperature rating of 105°C.

What certifications does the connector have?

The connector meets Federal Specification Number A-A-50553 and NEMA Standard FB-1.

Is the connector suitable for outdoor use?

Yes, the connector is concrete/raintight, making it suitable for outdoor use.

What is the UL file number for this product?

The UL file number for this product is E24001.

What are the standard package quantities?

The standard package quantity is 10, with a unit quantity of 2.

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.

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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.

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