Eaton FD729918-4FS Grounded Disconnect Enclosure - NEMA12
Part Number: FD729918-4FS
Quick Summary
The Eaton FD729918-4FS grounded disconnect enclosure provides reliable electrical isolation for large industrial control panels. Engineers struggle with bulky gear that increases footprint, complicates maintenance, and risks safety during routine service. This enclosure carries UL 508A, CSA C22.2, and NEMA 12 ratings, delivering code-compliant protection and predictable performance in challenging environments. Designed for rugged reliability, it combines carbon steel construction with oil-resistant gasketing, while offering scalable access and secure locking to minimize downtime and total cost of ownership. By aligning with Eaton's B-Line series, it also supports straightforward integration with existing enclosures and mounting layouts.
Product Information
Extended Description
FD729918-4FS Eaton: Eaton B-Line series ground mounted disconnect enclosure, 72"height, 18"length, 99.5"width, NEMA 4, Hinged cover, FD4FS enclosure, Ground mount, Large multi-door, No mounting provisions, Carbon steel, Oil-resistant gasket
Product Name
Eaton B-Line series ground mounted disconnect enclosure
Catalog Number
FD729918-4FS
UPC
782051474343
Product Length/Depth
18 in
Product Height
72 in
Product Width
99.5 in
Product Weight
1124.4 lb
Certifications
UL 508A CSA C22.2. NEMA
Material
Carbon steel
Wall thickness
10 gauge
Finish color
Painted
Color
ANSI 61 gray
Style
Large multi-door
Model
FD12FS enclosure
Cover type
Hinged
Mounting method
Ground
Mounting hole details
No mounting provisions
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
10
NEMA Rating
12
Country of origin
US
Large ground mounted enclosure
Accessories section of Enclosure Catalog
Accessories section of Enclosure Catalog
Eaton Specification Sheet - FD729918-4FS
Large multi-door, ground-mounted design supports centralized control for high-amp disconnects, delivering a compact footprint that reduces wiring complexity and simplifies maintenance workflows. In real-world applications, this means faster service during panel upgrades and easier access for testing and troubleshooting. Carbon steel with 10 gauge wall provides robust protection against impact and wear, while ANSI 61 gray paint offers long-term corrosion resistance in typical indoor industrial environments, reducing replacement costs and boosting uptime. The oil-resistant gasket and hinged cover ensure dust and oil resistance with minimal maintenance; the enclosure’s NEMA 12 protection suits floors, warehouses, and processing areas, supporting compliant and safe operation. Ground studs on door and body, a Defeater padlock provision, and a 3-point latching handle enhance security and reliability, supporting OSHA/IEC standards and operator safety. The design features bottom knockouts, a large door clearance, and easy integration with Eaton B-Line enclosures, easing retrofit projects and reducing installation risk. Lifecycle value is evident through predictable performance, preventative maintenance alignment, and lower total cost of ownership when this enclosure is part of a broader protection strategy.
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FAQs
It is designed for ground mounting with ground studs on the door and body. The unit has no internal mounting provisions, so installation typically requires a level concrete base and clearances to fit its 72 in height, 99.5 in width, and 18 in depth.
The FD729918-4FS carries a NEMA 12 rating and is certified to UL 508A and CSA C22.2; origin is the US. These certifications support code compliance for indoor industrial installations.
NEMA 12 provides protection against dust and light moisture indoors; for outdoor or washdown environments you may consider higher ratings such as NEMA 4 or 4X depending on the application requirements.
It includes a hinged cover, a 3-point latching handle, and a defeater padlock provision for secure access; ground provisions on both door and body enhance electrical safety and compliance during maintenance.
The oil-resistant gasket, 10 gauge carbon steel construction, and rugged finish combine for a long service life with reduced wear. Secure locking and easy access reduce downtime during servicing, contributing to lower total cost of ownership.