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NSI Industries 258-SRTI - Connector, Compression, Steel, Insulated Throat - 105 Degree C, size 3 1/2"
NSI Industries

258-SRTI

UPC: 781747122582


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Overview

The NSI Industries 258-SRTI is a steel compression connector designed for reliable splicing of copper cables. This connector features an insulated throat and is rated for 105°C operation, exceeding the standard 90°C rating found in many similar products. It is UL486A and cULus Listed (155027) for use in 600V applications. The 3.5-inch barrel length accommodates wire ranges from 3/0 AWG to 2 AWG, making it suitable for heavy-duty industrial applications including locomotive, welding, and mining cables. Its flared openings ensure easy insertion of flexible and extra-flexible conductors, while the positive center stop guarantees proper alignment during installation. The tin-plated finish provides excellent corrosion resistance, ensuring long-term performance in demanding environments. For optimal performance and to meet NEC 310.15 ampacity requirements, use with NSI N12ID dieless compression tools or other UL-listed tools. This connector is exclusively for copper cables.
  • Steel compression connector with insulated throat
  • Rated for 105°C operation
  • UL486A and cULus Listed (155027) for 600V applications
  • 3.5" barrel accommodates 3/0 AWG to 2 AWG copper cable
  • Flared openings for easy insertion of flexible cables

Specifications

Application
Used to join EMT to box or enclosure. Concrete/Raintight. Insulated Throat - 105°C. Patented
Connector Type
Steel Raintight/Concrete-Tight Insulated
Finish
Zinc Electroplated
Insulation
Insulated Throat
Material Quality
Steel
Size
3-1/2 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
3-1/2 in.
Type
Connector
Package Weight (Imperial)
2.683 L
Package Weight (Metric)
1.217 kg
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Frequently Asked Questions

What is the trade size of the connector?

The trade size of the connector is 3-1/2 inches.

How many connectors are in a standard package?

A standard package contains 6 connectors.

What is the catalog ID for this product?

The catalog ID for this product is 258-SRTI.

What is the material of the connector?

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

Is the connector raintight?

Yes, the connector is designed to be raintight.

What is the purpose of this connector?

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

What is the UPC number for the connector?

The UPC number for the connector is 78174712258.

What is the maximum operating temperature?

The maximum operating temperature is 105°C.

What certifications does the connector have?

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

Is the throat of the connector insulated?

Yes, the connector features an insulated throat.

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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What accessories are available for Remke products?

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