NSI Industries RTKN-400-27 - MC Cable Connector, nickel plated alum, 4" NPT, range over jacket 3.900 - 4.050, range over armor 3.750 - 3.940
NSI Industries

RTKN-400-27

UPC: 785411046785

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Overview

The NSI Industries RTKN-400-27 is a 4-inch NPT MC cable connector designed for secure termination of metal-clad (MC) cable in industrial and commercial electrical systems. Constructed from nickel-plated aluminum, this connector provides corrosion resistance and durability in harsh environments while ensuring reliable grounding and mechanical protection. The connector accommodates cable jackets ranging from 3.900 to 4.050 inches and armor diameters from 3.750 to 3.940 inches, making it compatible with standard MC cable sizes. Its threaded NPT design allows for easy installation into matching conduit systems or junction boxes, reducing labor time and ensuring a tight seal against moisture and contaminants. Ideal for applications requiring NEC-compliant cable management, such as manufacturing plants, data centers, and utility installations, the RTKN-400-27 simplifies cable routing while maintaining system integrity. The nickel plating enhances conductivity and prevents oxidation, ensuring long-term performance in exposed or corrosive conditions.
  • 4" NPT threaded connection for compatibility with standard conduit systems
  • Nickel-plated aluminum construction for corrosion resistance and durability
  • Accepts MC cable jackets from 3.900" to 4.050" and armor from 3.750" to 3.940"
  • Designed for NEC-compliant cable termination in industrial and commercial applications
  • Threaded design ensures secure mechanical and electrical connections

Specifications

Color
Ivory
Finish
Nickel Plated
Material Quality
Aluminum
Operating Temperature, Maximum
250 F
Operating Temperature, Maximum
121.1111 °C
Operating Temperature, Minimum
-40 F
Operating Temperature, Minimum
-40 °C
Temperature Rating
-40 to 121 Deg C C
Package Dimensions (L x W x H)
5.88 IN x 6.52 IN x 6.52 IN
Package Dimensions (L x W x H)
14.9352 cm x 16.5608 cm x 16.5608 cm
Package Weight (Imperial)
0.809 L
Package Weight (Metric)
0.367 kg
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RTKN-400-28

MC Cable Connector, nickel plated alum, 4" NPT, range over jacket 4.050 - 4.290, range over armor 3.900 - 4.090
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RTKN-050-3

MC Cable Connector, nickel plated alum, 1/2" NPT, range over jacket .750 - .875, range over armor .640 - .795
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RTKN-350-26

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MC Cable Connector, nickel plated alum, 3-1/2" NPT, range over jacket 3.450 - 3.600, range over armor 3.300 - 3.500

RTKN-350-24

MC Cable Connector, nickel plated alum, 3-1/2" NPT, range over jacket 3.450 - 3.600, range over armor 3.300 - 3.500
MC Cable Connector, nickel plated alum, 3/4" NPT, range over jacket .955 - 1.080, range over armor .845 - 1.00

RTKN-075-5

MC Cable Connector, nickel plated alum, 3/4" NPT, range over jacket .955 - 1.080, range over armor .845 - 1.00
MC Cable Connector, nickel plated alum, 2" NPT, range over jacket 2.225 - 2.350, range over armor 2.115 - 2.270

RTKN-200-15

MC Cable Connector, nickel plated alum, 2" NPT, range over jacket 2.225 - 2.350, range over armor 2.115 - 2.270
MC Cable Connector, nickel plated alum, 2" NPT, range over jacket 2.350 - 2.475, range over armor 2.240 - 2.395

RTKN-200-16

MC Cable Connector, nickel plated alum, 2" NPT, range over jacket 2.350 - 2.475, range over armor 2.240 - 2.395
MC Cable Connector, nickel plated alum, 2" NPT, range over jacket 2.475 - 2.600, range over armor 2.365 - 2.520

RTKN-200-17

MC Cable Connector, nickel plated alum, 2" NPT, range over jacket 2.475 - 2.600, range over armor 2.365 - 2.520
MC Cable Connector, nickel plated alum, 3/4" NPT, range over jacket 1.080 - 1.205, range over armor .970 - 1.125

RTKN-075-6

MC Cable Connector, nickel plated alum, 3/4" NPT, range over jacket 1.080 - 1.205, range over armor .970 - 1.125
MC Cable Connector, nickel plated alum, 2" NPT, range over jacket 2.600 - 2.725, range over armor 2.490 - 2.645

RTKN-200-18

MC Cable Connector, nickel plated alum, 2" NPT, range over jacket 2.600 - 2.725, range over armor 2.490 - 2.645

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.