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Overview
- Durable malleable iron construction for robust grounding.
- 3 1/2-inch size with a 6-250 lug for wire connections.
- Thermoplastic insulator rated 150°C/302°F with 94V-0 flammability.
- Integral grounding lug for superior ground continuity.
- UL 514B, UL 467, and CSA C22.2 No. 18 & 41 certified.
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 | 3-1/2 IN |
Special Features | Grounding Lug Wire Capacity #6 - #250 MCM |
Standard | cULus |
Temperature Rating | 150?°C |
Trade Size | 3.5 in |
Type | Bushing |
Package Weight (Imperial) | 0.797 L |
Package Weight (Metric) | 0.362 kg |
Frequently Asked Questions
How many units are in a standard package?
The standard package quantity is 100 units.
What is the primary application of this product?
This product is used with a locknut to terminate service conduit to a cabinet. It also provides a lug for a bonding jumper to the neutral busbar.
What material is the product made from?
The product is made from Malleable Iron. The grounding lug is made from aluminum alloy 6061-T6.
What is the finish of the product?
The product has a Zinc electro-plate finish. The grounding lug has a Tin electro-plate finish.
What is the trade size of this bushing?
The trade size of this insulated grounding bushing is 3-1/2 inches.
What are the temperature ratings for this product?
The 1/2 inch through 4 inch sizes are rated for 150 degrees C. The 5 inch and 6 inch sizes are rated for 105 degrees C.
What certifications and codes does this product meet?
It meets Federal Specification Number A-A-50553, NEMA Standard FB-1, UL File Number E20412, and UL Standard UL-514B.
What is the purpose of the plastic metaliner?
The plastic metaliner is provided to prevent damage to wire insulation.
What are the dimensions of the 389-40 bushing?
Dimension A is 4-5/16 inches, Dimension B is 1 inch, and Dimension C is 3-3/8 inches.
What is the Catalog ID for this product?
The Catalog ID for this product is 389-40.
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.