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NSI Industries 257-DCI2 - Connector, Compression, Zinc Die Cast, 105 Degree C Insulated Throat, Size 3 Inch
NSI Industries

257-DCI2

UPC: 781747162571


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Overview

The NSI Industries 257-DCI2 is a 3-inch zinc die-cast compression connector designed for EMT conduit systems, featuring a 105°C insulated throat for reliable electrical performance. Engineered to meet the same stringent UL testing standards as steel fittings, this connector delivers error-free performance in industrial and commercial applications. The zinc die-cast construction provides superior corrosion resistance and durability compared to traditional materials, ensuring long-term reliability in harsh environments. With a 3-inch size, it integrates seamlessly with standard EMT conduit systems, offering a secure and efficient solution for electrical installations. The insulated throat prevents electrical shorts and enhances safety by maintaining proper insulation under demanding conditions. Trust NSI Industries for high-quality EMT fittings that set the industry standard for performance and compliance. This connector is ideal for use in electrical panels, junction boxes, machinery, and other industrial applications where robust, code-compliant conduit connections are required.
  • 3-inch zinc die-cast compression connector for EMT conduit systems
  • 105°C insulated throat for enhanced electrical safety and performance
  • Meets same UL testing standards as steel fittings for error-free performance
  • Superior corrosion resistance and durability in harsh environments
  • Designed for seamless integration with standard 3-inch EMT conduit

Specifications

Application
Used to join steel EMT to box or enclosure. Concrete-tight. 2 1/2" thru 4" suitable for use with Steel EMT. Insulator rated 105°C. 2-1/2" through 4" also listed for use with Steel and Aluminum Rigid Conduit.
Connector Type
Compression
Finish
Ball burnish
Insulation
Insulated Throat
Material Quality
Zinc Die Cast
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)
1.750 L
Package Weight (Metric)
0.794 kg
Connector, Compression, Zinc Die Cast, 105 Degree C Insulated Throat, Size 2 1/2 Inch

256-DCI2

Connector, Compression, Zinc Die Cast, 105 Degree C Insulated Throat, Size 2 1/2 Inch
Connector, Non-Insulated Compression, Conduit Size 3/4 Inch, Length 1-11/32 Inch, Width 1-5/32 Inch, Die Cast Zinc, For use with EMT Conduit, Sold by Each

TC212SC-1

Connector, Non-Insulated Compression, Conduit Size 3/4 Inch, Length 1-11/32 Inch, Width 1-5/32 Inch, Die Cast Zinc, For use with EMT Conduit, Sold by Each
Conduit connection plate with hardware for 3/4 in. electrical metallic tubing (EMT) connectors. The sheet identifies the product as CPC75EG. No material, finish, or dimensional attributes are printed on the sheet beyond the 3/4 size reference in the title.

CPC75EG

Conduit connection plate with hardware for 3/4 in. electrical metallic tubing (EMT) connectors. The sheet identifies the product as CPC75EG. No material, finish, or dimensional attributes are printed on the sheet beyond the 3/4 size reference in the title.
Connector, Compression, Zinc Die Cast, 105 Degree C Insulated Throat, Size 4 Inch

259-DCI2

Connector, Compression, Zinc Die Cast, 105 Degree C Insulated Throat, Size 4 Inch
Connector, Set Screw, Zinc Die Cast, 105 Degree C Insulated Throat, Size 1/2 Inch

230-DCI2

Connector, Set Screw, Zinc Die Cast, 105 Degree C Insulated Throat, Size 1/2 Inch
Connector, Set Screw, Zinc Die Cast, 105 Degree C Insulated Throat, Size 2 Inch

235-DCI2

Connector, Set Screw, Zinc Die Cast, 105 Degree C Insulated Throat, Size 2 Inch
Connector, Set Screw, Zinc Die Cast, 105 Degree C Insulated Throat, Size 1 Inch

232-DCI2

Connector, Set Screw, Zinc Die Cast, 105 Degree C Insulated Throat, Size 1 Inch
Connector, Compression, Zinc Die Cast, 105 Degree C Insulated Throat, Size 1 Inch

252-DCI2

Connector, Compression, Zinc Die Cast, 105 Degree C Insulated Throat, Size 1 Inch

Frequently Asked Questions

What is the standard package quantity?

The standard package quantity for this connector is 12 units.

What is the primary application of this connector?

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

What materials is this connector compatible with?

The connector is suitable for use with Steel EMT. Sizes 2-1/2 inches through 4 inches are also listed for use with Steel and Aluminum Rigid Conduit.

What is the material of the connector?

The connector is made from Zinc Die Cast material.

What is the insulator temperature rating?

The insulator in this connector is rated for 105°C.

What is the trade size of this connector?

The trade size for this connector is 3 inches.

What are the dimensions of the 257-DCI2 connector?

The dimensions are: A is 1 inch, B is 2-1/8 inches, and C is 4-7/16 inches.

What certifications does this product have?

The product is UL Listed (File E24001, Standard UL-514B) and CSA Listed (File LR39354). It also meets Federal Specification A-A-50553 and NEMA Standard FB-1.

What is the finish of the connector?

The connector has a ball burnished, mirror smooth finish.

Where is this product manufactured?

This product is manufactured in the USA.

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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.

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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.

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