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Overview
- 4-inch size for rigid/intermediate metal conduits (RMC/IMC)
- 6-250 MCM lug accepts copper or aluminum grounding wires
- Insulated thermoplastic (150°C/302°F, 94V-0) prevents abrasion and damage
- Cast malleable iron body locks insulator in place for secure assembly
- UL listed (E3060) and CSA certified (LR2884) for grounding applications
Specifications
Application | Used with locknut to terminate service conduit to cabinet. Lug provided for bonding jumper to neutral busbar. Grounding lug: aluminum allog 6061-T6. Plastic metaliner prevents damage to wire insulation. 1/2" thru 4" rated 150 degree C, 5" and 6" rated 105 degree C. |
Color | Grey with Black Insulator |
Finish | Zinc Electroplated |
Material | Malleable Iron |
Size | 4 IN |
Special Features | Grounding Lug Wire Capacity #6 - #250 MCM |
Standard | cULus |
Temperature Rating | 150?°C |
Trade Size | 4 in |
Type | Bushing |
Package Weight (Imperial) | 1.035 L |
Package Weight (Metric) | 0.469 kg |
Frequently Asked Questions
What is the standard package quantity for 390-40?
The standard package quantity for the 390-40 is 20 units.
What type of product is the 390-40?
The 390-40 is an insulated, grounding bushing made of malleable iron, with a 6-250 MCM lug.
What materials are used in the 390-40 bushing?
The bushing is malleable iron with zinc electro-plate. The grounding lug is aluminum alloy 6061-T6 with tin electro-plate.
What is the primary application of the 390-40?
It terminates service conduit to a cabinet using a locknut. A lug is provided for a bonding jumper to the neutral busbar.
What material is the grounding lug made from?
The grounding lug is made of aluminum alloy 6061-T6 and has a tin electro-plate finish.
How does the 390-40 protect wire insulation?
A plastic metaliner is provided to prevent damage to wire insulation.
What is the temperature rating for the 390-40?
The 390-40, which is a 4-inch size, is rated for 150 degrees C.
What is the trade size of the 390-40 bushing?
The trade size of the 390-40 bushing is 4 inches.
What certifications and codes does the 390-40 meet?
It meets Federal Specification A-A-50553, NEMA Standard FB-1, UL File E20412, and UL Standard UL-514B.
What are the dimensions of the 390-40 bushing?
Dimension A is 4-7/8 in, Dimension B is 1 in, and Dimension C is 3-7/8 in.
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.