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NSI Industries RSR-420 - Cord Grip, alum, 1-1/4" NPT, cable range 1.125 - 1.250
NSI Industries

RSR-420

UPC: 785411114200


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Overview

The NSI Industries RSR-420 is a precision-machined aluminum cord grip designed for secure cable entry and strain relief in industrial electrical systems. This component features a 1-1/4 inch NPT threaded hub, ensuring compatibility with standard conduit fittings and enclosures. The RSR-420 accommodates cable diameters between 1.125 inches and 1.250 inches, providing a tight seal against environmental contaminants including dust and moisture. Its durable aluminum construction resists corrosion and mechanical stress, making it suitable for harsh operating conditions. The cord grip prevents cable pull-out and reduces wiring damage risk by maintaining consistent strain relief. Installation is straightforward with standard tools, reducing labor time and project costs. The 1-1/4 inch NPT thread size aligns with common industrial standards, ensuring broad compatibility across electrical panel assemblies, machinery enclosures, and control systems. This component is essential for maintaining electrical connection integrity in critical infrastructure applications.
  • 1-1/4" NPT threaded hub for standard conduit compatibility
  • Accommodates cable diameters from 1.125" to 1.250"
  • Precision-machined aluminum construction for corrosion resistance
  • Prevents cable pull-out and protects wiring from mechanical stress
  • Straightforward installation with standard tools

Specifications

Enclosure
IP52, IP54, IP65, IP67
Environmental Conditions
Flammability: UL 94V-2
Finish
Aluminum
Material
Aluminum
Material Quality
Aluminum
Operating Temperature, Maximum
250 F
Operating Temperature, Maximum
121.1111 °C
Operating Temperature, Minimum
-40 F
Operating Temperature, Minimum
-40 °C
Size
1-1/4" NPT, cable range 1.125 - 1.250"
Temperature Rating
-40 to 121 Deg C C
Package Dimensions (L x W x H)
2.49 IN x 2 IN x 1.8 IN
Package Dimensions (L x W x H)
6.3246 cm x 5.08 cm x 4.572 cm
Package Weight (Imperial)
0.663 L
Package Weight (Metric)
0.301 kg
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Frequently Asked Questions

How do I order locknuts for RSR cord grips?

To order locknuts, add "-L" to the end of any RSR cord grip part number.

Are RSR Series products RoHS compliant?

Yes, all Tuff-Seal and Tuff-Link Products, including the RSR Series, are fully compliant with the current RoHS Directive.

What NEMA ratings are available for nickel-plated aluminum RSR cord grips?

Nickel-plated aluminum RSR cord grips are suitable for NEMA 3, NEMA 3R, NEMA 4, NEMA 4X, NEMA 6, and NEMA 12 ratings.

What IP ratings are available for aluminum RSR cord grips?

Aluminum RSR cord grips are suitable for IP54, IP65, and IP67 ratings.

What is the recommended knockout hole size for a 1 1/4 inch NPT hub?

For a 1 1/4 inch NPT hub, the recommended knockout hole size ranges from 1.719 to 1.766 inches.

Are RSR Series cord grips suitable for hazardous locations?

RSR Series cord grips are suitable for use in hazardous locations per Class I, Div. 2, Class II, Div 1 & 2, and Class III, Div. 1 & 2.

Is the RSR Series CSA approved?

Yes, the RSR Series (Straight, 90°, 45°) is approved by the Canadian Standards Association (CSA) under File Number 28985.

Is the RSR Series UL approved?

Yes, the RSR Series (Straight, 90°, 45°) is approved by Underwriters Laboratories Inc. (UL) under File Number E53599.

What is the operating temperature range for aluminum RSR cord grips?

Aluminum RSR cord grips have an operating temperature range of -40°F to +300°F (-40°C to +149°C).

How do I order O-Rings for RSR cord grips?

To order O-Rings, add "-R" to the end of any RSR cord grip part number.

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.