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NSI Industries 249-SBLU - EMT Couplings, Color-Coded, Steel, Blue, Size 4"
NSI Industries

249-SBLU

UPC: 781747202499


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Overview

The NSi Industries 249-SBLU is a 4-inch steel EMT coupling featuring a blue urethane coating for superior corrosion resistance. Manufactured in the US, this coupling includes hot-dipped galvanized threads and a nominal 0.002-inch blue urethane interior coating, ensuring reliable electrical conduit connections in industrial, commercial, and residential applications. The steel construction and color-coded blue design aid in inventory management and installation, meeting industry standards for durability and reliability. With a minimum 0.040-inch PVC coating bonded to the exterior for added protection, this coupling is ideal for EMT conduit systems requiring corrosion-resistant, long-lasting connections. The 249-SBLU is designed to withstand demanding environments, providing secure and consistent performance for electrical installations. Its hot-dipped galvanized threads enhance thread strength and corrosion resistance, while the blue urethane coating ensures easy identification and compliance with safety standards. The coupling's robust construction and protective coatings make it suitable for a wide range of applications, from heavy industrial settings to residential wiring projects.
  • 4-inch steel EMT coupling with blue urethane coating for corrosion resistance
  • Hot-dipped galvanized threads for secure connections
  • Nominal 0.002-inch blue urethane interior coating
  • Minimum 0.040-inch PVC coating bonded to exterior
  • Color-coded design for easy inventory and installation management

Specifications

Color
Blue
Material
Steel
Size
4"
Package Weight (Imperial)
2.530 L
Package Weight (Metric)
1.148 kg
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Frequently Asked Questions

What is the trade size of the 249-SBLU couplings?

The trade size of the couplings is 4 inches.

What materials are used in the 249-SBLU couplings?

The couplings are made of steel and finished with blue paint.

What applications are suitable for the 249-SBLU couplings?

They are suitable for low voltage wiring, data comm/video, and network security applications.

What certifications do the 249-SBLU couplings have?

They are certified under UL Standard UL-514B and Federal Specification A-A-50553.

Are these couplings compatible with aluminum EMT?

Yes, the couplings are listed for use with aluminum EMT.

What is the standard package quantity for the couplings?

The standard package quantity is 6 couplings.

How are the screws on the couplings designed?

The couplings are furnished with Tri-Drive slot/Phillips/Robertson head screws.

What is the patent number for the couplings?

The patent number for the couplings is US Patent 6,861,585.

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.

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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.

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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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