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NSI Industries 257-I - Connector, Compression, Steel, Insulated Throat, Size 3 Inch
NSI Industries

257-I

UPC: 781747102577


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Minimum Qty: 2

Multiplier: 2

*Contact for lower quantities*

Overview

The NSI Industries 257-I is a 3-inch steel compression connector, specifically designed with an insulated throat to provide enhanced electrical safety. Constructed from durable steel, this connector offers significant strength and corrosion resistance, making it a reliable choice for various applications. The steel material used in its construction ensures a robust and long-lasting connection, capable of withstanding the demands of electrical, mechanical, and industrial projects. Its compatibility with standard 3-inch conduit systems allows for seamless integration into existing infrastructure, providing a dependable connection where it is needed most. With its insulated throat design and steel construction, the 257-I connector is well-suited for use in a range of projects, from electrical and mechanical installations to industrial applications, where a secure and reliable connection is paramount. The 3-inch size of the connector makes it suitable for use with standard 3-inch conduit systems, allowing for easy installation and compatibility with a variety of setups. Overall, the NSI Industries 257-I connector is a reliable and durable choice for applications requiring a strong and corrosion-resistant connection.
  • 3-inch steel compression connector
  • Insulated throat design for electrical safety
  • Durable steel construction
  • Compatible with standard 3-inch conduit systems
  • Ideal for industrial piping, HVAC, and mechanical assemblies

Specifications

Application
Used to join EMT to box or enclosure. Concrete tight.
Connector Type
Compression
Finish
Zinc Electroplated
Insulation
Insulated Throat
Material Quality
Steel
Size
3 IN
Special Features
Concrete-tight
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 in.
Type
Connector
Package Weight (Imperial)
2.510 L
Package Weight (Metric)
1.139 kg
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Frequently Asked Questions

What is the unit quantity for this connector?

The unit quantity is 2.

What is the primary application of this connector?

This connector is used to join EMT to a box or enclosure. It is also concrete tight.

What material is the 257-I connector made from?

The 257-I connector is made from steel.

What is the finish of the 257-I connector?

The connector has a zinc electro-plate finish.

What certifications and standards does this connector meet?

It meets Federal Specification A-A-50553, NEMA Standard FB-1, and UL Standard UL-514B (UL File E24001).

What type of connector is the 257-I?

It is a compression connector made of steel with an insulated throat.

What is the trade size of the 257-I connector?

The trade size of this connector is 3 inches.

Is the 257-I connector suitable for concrete applications?

Yes, the 257-I connector is concrete tight.

What are the dimensions of the 257-I connector?

Dimension A is 3-7/32 inches, Dimension B is 4-3/32 inches, and Dimension C is 4-1/32 inches.

What is the catalog ID for this product?

The catalog ID for this product is 257-I.

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.