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NSI Industries 1257-S - Entrance Cap, Set Screw, Two Screws, Aluminum, Size 2-1/2 Inch
NSI Industries

1257-S

UPC: 781747012470


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Overview

The NSi Industries 1257-S Entrance Cap is a robust 2-1/2 inch component crafted from high-quality aluminum, designed for secure and reliable installation in industrial applications. Its primary function is to provide a protective closure for entry points, enclosures, and housings, safeguarding internal components from environmental factors like dust and debris. The cap features two set screws, ensuring a tight and stable fit that prevents loosening over time. This design enhances its suitability for environments where vibration or movement might otherwise compromise security. Constructed from aluminum, the 1257-S offers inherent corrosion resistance and lightweight durability, making it an ideal choice for demanding industrial settings. Its precise 2-1/2 inch sizing ensures compatibility with corresponding openings. Applications include manufacturing, construction, and machinery where consistent performance and ease of installation are critical. Trust NSi Industries for precision-engineered components that meet the demands of industrial operations.
  • Durable aluminum construction for corrosion resistance
  • 2-1/2 inch size for secure fit
  • Two set screws ensure a tight and stable attachment
  • Protects enclosures from dust and debris
  • Ideal for industrial manufacturing, construction, and machinery applications

Specifications

Application
Set screw type entrance cap for rigid conduit or IMC. 1 hole 1" dia.; 2 holes 7/8" dia.; 3 holes 1 5/16" dia.
Application
2 holes 7/8" dia.;3 holes 1 5/16" dia.;Set screw type entrance cap for rigid conduit or IMC. 1 hole 1" dia.
Cable Entry
Phenolic entrance to 2 set screw exit for conduit
Finish
No Finish
Material
Aluminum
Size
2 1/2 in
Special Features
1 holes 1" dia., 3 holes 7/8" dia.,3 holes 1-5/16" dia.
Standard
UL
Trade Size
2.5 in
Type
Entrance Caps
Package Dimensions (L x W x H)
10.875 IN x 8.5 IN x 6.125 IN
Package Dimensions (L x W x H)
27.6225 cm x 21.59 cm x 15.5575 cm
Package Weight (Imperial)
3.600 L
Package Weight (Metric)
1.633 kg
Entrance Cap, Threaded, Aluminum, Size 2-1/2 Inch

1207

Entrance Cap, Threaded, Aluminum, Size 2-1/2 Inch
Conduit Hub with Ground Ring, 1 Inch, Zinc Body, Flame Retardant Insulated Throat, Nitrile Rubber Sealing Ring, For Rigid/IMC Applications, UL E3060, Conforms to UL514B

HUB100GR-SC

Conduit Hub with Ground Ring, 1 Inch, Zinc Body, Flame Retardant Insulated Throat, Nitrile Rubber Sealing Ring, For Rigid/IMC Applications, UL E3060, Conforms to UL514B
Clamp-on service entrance cap for 4-inch EMT and rigid/IMC conduit. It is made of aluminum with a silver color and no additional finish. The enclosure is listed as Weatherhead.

95138

Clamp-on service entrance cap for 4-inch EMT and rigid/IMC conduit. It is made of aluminum with a silver color and no additional finish. The enclosure is listed as Weatherhead.
Entrance Cap, Clamp-On, Aluminum, Size 1/2 Inch

1251

Entrance Cap, Clamp-On, Aluminum, Size 1/2 Inch
Entrance Cap, Mast, Aluminum, Size 2-1/2 Inch, 2 Inch Cap

1257-MT

Entrance Cap, Mast, Aluminum, Size 2-1/2 Inch, 2 Inch Cap
Entrance Cap, Oval Service, Entrance Cable, Zinc Die Cast, Cable Size 3-#2

1220

Entrance Cap, Oval Service, Entrance Cable, Zinc Die Cast, Cable Size 3-#2
Entrance Cap, Oval Service, Entrance Cable, Aluminum, Cable Size 3-#3/0, #4/0

1221

Entrance Cap, Oval Service, Entrance Cable, Aluminum, Cable Size 3-#3/0, #4/0
Entrance Cap, Set Screw, One Screw, Aluminum, Size 1 Inch

1253-S

Entrance Cap, Set Screw, One Screw, Aluminum, Size 1 Inch

Frequently Asked Questions

What is the standard package quantity for the 1257-S?

The standard package quantity for the 1257-S entrance cap is 1.

What certifications does the 1257-S entrance cap have?

The 1257-S entrance cap is NEMA Standard FB-1 and UL Standard UL-514B certified. Its UL File Number is E11259.

What are the hole sizes on the 1257-S entrance cap?

The entrance cap has one 1 inch diameter hole, two 7/8 inch diameter holes, and three 1 5/16 inch diameter holes.

What is the trade size of the 1257-S entrance cap?

The trade size of the 1257-S entrance cap is 2-1/2 inches.

What are the main dimensions of the 1257-S cap?

The dimensions are A: 10-1/4 inches, B: 7-13/16 inches, and C: 5-1/4 inches.

What material is the 1257-S entrance cap made from?

The 1257-S entrance cap is made from aluminum and has a plain finish.

What is the 1257-S entrance cap used for?

The 1257-S is a set screw type entrance cap designed for rigid conduit or IMC applications.

What certifications does the 1257-S entrance cap have?

The 1257-S entrance cap is NEMA Standard FB-1 and UL Standard UL-514B certified. Its UL File Number is E11259.

What is the 1257-S entrance cap used for?

The 1257-S is a set screw type entrance cap designed for rigid conduit or IMC applications.

What material is the 1257-S entrance cap made from?

The 1257-S entrance cap is made from aluminum and has a plain finish.

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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.

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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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