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Overview
- 3-inch steel expansion coupling
- Compatible with EMT and Rigid conduit
- Designed for dry-location use
- Cost-effective expansion management
- Durable steel construction
Specifications
Application | Assembles like a regular EMT/RIGID/IMC set screw coupling. To install, simply slide coupling end stop onto fixed end of EMT/RIGID/IMC and tighten screw. Place movable EMT/RIGID/IMC completely into coupling and mark engagement, remove EMT/RIGID/IMC and mark half the distance of engagement, reinstall EMT/RIGID/IMC to half distance. |
Cable Entry | Through conduit into expansion throat back to conduit |
Finish | Enamel |
Material | Zinc Plated Steel |
Size | 3 IN |
Special Features | suitable for EMT/Rigid/IMC |
Standard | cULus |
Trade Size | 3 in |
Type | Coupling |
Package Dimensions (L x W x H) | 15.375 IN x 6.375 IN x 5.25 IN |
Package Dimensions (L x W x H) | 39.0525 cm x 16.1925 cm x 13.335 cm |
Package Weight (Imperial) | 4.716 L |
Package Weight (Metric) | 2.139 kg |

CCOP250
One piece strut clamp with saddle designed to secure rigid/EMT conduit or cable perpendicular to strut. It is made of steel with a galvanized finish. The clamp fits 2-1/2 in EMT and 2-1/2 in RMC and has a static load rating of 350 lbs.Frequently Asked Questions
What is the standard package quantity for the EC-300?
The standard package quantity for the EC-300 is 1 unit.
Where is the EC-300 expansion coupling manufactured?
The EC-300 is made in the USA with foreign components.
What certifications does the EC-300 coupling have?
The EC-300 meets NEMA Standard FB-1 and UL Standard UL514B.
What are the dimensions of the EC-300 coupling?
Dimension A is 12 inches and Dimension B is 3 - 1/8 inches.
What is the trade size of the EC-300 coupling?
The EC-300 expansion coupling has a trade size of 3 inches.
What material is the EC-300 coupling made from?
The EC-300 expansion coupling is made from Zinc Plated Steel.
Where is the EC-300 expansion coupling manufactured?
The EC-300 is made in the USA with foreign components.
What are the dimensions of the EC-300 coupling?
Dimension A is 12 inches and Dimension B is 3 - 1/8 inches.
What certifications does the EC-300 coupling have?
The EC-300 meets NEMA Standard FB-1 and UL Standard UL514B.
What is the standard package quantity for the EC-300?
The standard package quantity for the EC-300 is 1 unit.
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.

