Eaton FD843918-4FS Ground Disconnect Enclosure - NEMA 4
Part Number: FD843918-4FS
Quick Summary
FD843918-4FS is a ground-mounted disconnect enclosure from Eaton that safely isolates power circuits in industrial facilities. Facilities face corrosion, weather exposure, and costly downtime when enclosures fail or require frequent servicing. This unit carries UL 508A and CSA C22.2 listings and leverages NEMA-rated protection to withstand harsh conditions. Built with carbon steel, 12-gauge walls, and oil-resistant gaskets, it delivers long life with minimal maintenance, while a hinged door and 3-point latch streamline installation and access. Compatible with Eaton B-Line accessories, it scales for future expansion and downstream protection of feeders, motors, and disconnects.
Product Information
Extended Description
FD843918-4FS Eaton: Eaton B-Line series ground mounted disconnect enclosure, 84"height, 18"length, 39"width, NEMA 4, Hinged cover, FD4FS enclosure, Ground mount, Large single door, No mounting provisions, Carbon steel, Oil-resistant gasket
Product Name
Eaton B-Line series ground mounted disconnect enclosure
Catalog Number
FD843918-4FS
UPC
782051474428
Product Length/Depth
18 in
Product Height
84 in
Product Width
39 in
Product Weight
473.5 lb
Certifications
UL 508A CSA C22.2. NEMA
Material
Carbon steel
Wall thickness
12 gauge
Finish color
Painted
Color
ANSI 61 gray
Style
Large single door
Model
FD12FS enclosure
Cover type
Hinged
Mounting method
Ground
Mounting hole details
Ground mount legs
Ground provisions
Ground studs on door and body
Locking provisions
Defeater padlock provision
O-rings and gasket type
Oil-resistant gasket
Closure type
Hinged
Special features
3-pt latching handle
Bottom knockouts
12
NEMA Rating
12 4
Country of origin
US
Large ground mounted enclosure
Accessories section of Enclosure Catalog
Accessories section of Enclosure Catalog
Eaton Specification Sheet - FD843918-4FS
Ground-mounted design with large exterior footprint enables safe, predictable installation of disconnect protection in fixed locations, reducing installation time and space planning errors. Business impact: faster deployment, lower on-site labor costs; Application: outdoor substations and factory floor disconnect points. NEMA 4 weather resistance with an oil-resistant gasket protects internal components from dust, water, and oil ingress, reducing field failures and maintenance cycles. Business impact: extended service intervals, lower maintenance spend; Application: outdoor and damp environments. Hinged cover with a 3-point latching handle and defeater padlock provision delivers secure access control while simplifying routine servicing and inspections. Business impact: improved security compliance and reduced downtime; Application: regulated facilities and data centers. Large single door design and ground provisions (ground mounting legs and ground studs on door/body) enable straightforward wiring access and robust structural mounting. Business impact: quicker installation and reliable enclosure integrity; Application: new builds and panel upgrades. Carbon steel construction with 12‑gauge wall thickness and ANSI 61 gray painted finish offers long-term durability and corrosion resistance in rugged environments. Business impact: lower lifecycle costs and fewer corrosion-related failures; Application: harsh industrial settings. UL 508A and CSA C22.2 certifications with NEMA ratings provide regulatory compliance and proven protection levels for electrical distributions. Business impact: risk reduction, smoother audits, and customer confidence; Application: any code-compliant disconnect enclosure in manufacturing or utilities.
Get a Quick Quote for a Eaton FD843918-4FS
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton FD843918-4FS?
Enquire Now
FAQs
The FD843918-4FS is a ground-mounted enclosure with ground mounting legs and ground studs on the door and body, designed for straightforward installation in fixed locations. Ensure adequate clearance for hinge operation, service access, and future cable entry through bottom knockouts. The unit’s large footprint supports stable base mounting and vibration resistance in industrial environments.
This enclosure carries NEMA-rated protection suitable for weather-exposed environments, specifically NEMA 4, with UL 508A and CSA C22.2 certifications. The oil-resistant gasket further enhances ingress protection against dust, water, and oils, helping to maintain internal integrity in harsh industrial sites.
Yes. The FD843918-4FS is designed to integrate with Eaton B-Line accessories, enabling scalable protection for downstream devices such as feeders, motors, and additional disconnects. Compatibility simplifies upgrades and ensures consistent enclosure performance across the system.
Ideal for outdoor or harsh indoor environments requiring a durable disconnect enclosure, typical applications include service entrances, outdoor substations, manufacturing line disconnects, and electrical protection points where reliable weather resistance and secure access are critical.
The oil-resistant gasket and 12-gauge carbon steel walls deliver robust durability and excellent resistance to oil and environmental contaminants. This reduces maintenance frequency, extends service life, and lowers total cost of ownership in demanding industrial settings.