Eaton DD367FDKW Double Door Fused Safety Switch - UL Listed

Part Number: DD367FDKW
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Manufacturer
Eaton
Part number
DD367FDKW
Category

Quick Summary

Eaton DD367FDKW is a fused double-door safety switch designed to isolate heavy electrical loads in industrial panels. For engineers, reliability and safe maintenance access save time during commissioning and routine service. The unit is UL Listed and housed in a weather-tolerant NEMA 12/3R enclosure, providing dust-tight and splash-protected protection with an 800 A rating, a 600 V system limit, and Class L fuse provision. It supports three-pole, three-wire configurations and is suitable for high-horsepower applications up to 500 HP at 480/600 V. By combining rugged construction with straightforward wiring, it reduces downtime and simplifies compliance across electrical distribution and machine-control deployments.

Product Information

Extended Description

DD367FDKW Eaton: Eaton Double door single-throw fused safety switch, 800 A, NEMA 12/3R, Painted galvanized steel, Class L, Fusible without neutral, Three-pole, Three-wire, 600 V, Max Hp: 500, 500 hp (3PH @480/600 V), (4)#1/0-(4)750 kcmil
Product Name
Eaton double door single-throw fused safety switch
Catalog Number
DD367FDKW
UPC
786679174487
Product Length/Depth
82.25 in
Product Height
17.125 in
Product Width
25.25 in
Product Weight
300 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Heavy duty double door safety switch
Amperage Rating
800A
Fuse class provision
Class L
HP rating - max
500, 500 hp (3PH @480/600 V)
NEMA rating
NEMA 12
Voltage rating
600 V
Product Category
Dust tight
Special features
w/ window
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Feature: 800 A amperage rating in a three-pole fusible switch. Business impact: Enables safe, scalable isolation for high-current motor circuits, reducing parallel wiring complexity and lowering the risk of unplanned downtime. Application: Motor control centers and main disconnects in heavy-plant environments. Feature: NEMA 12 / NEMA 3R enclosure in painted galvanized steel. Business impact: Delivers dust-tight and weather-resistant protection, extending service life in challenging factory floors and outdoor-rated installations. Application: Indoor production lines and semi-exposed installations where protection from dust and moisture is critical. Feature: Class L fuse provision (fuse configuration: Fusible without neutral). Business impact: Improves coordination and selective protection, enabling safer shutdown without neutral connections and reducing nuisance trips. Application: Motor circuits and distribution feeders in 600 V systems. Feature: 600 V voltage rating with up to 500 HP (3PH @ 480/600 V). Business impact: Supports high-horsepower motors without oversized hardware, optimizing space and cost in MCCs and process lines. Application: Heavy-duty automation drives and pump packages. Feature: Painted galvanized steel enclosure with window option (Special features: w/ window). Business impact: Provides quick status visibility and easy field verification during maintenance, speeding inspections and reducing entry-time for lockout-tagout. Application: OEM and aftermarket installations where rapid status checks are advantageous. Compatibility and installation advantages: The DD367FDKW aligns with standard three-wire, three-pole wiring and common MCC footprints, enabling straightforward retrofits and scalable upgrades. Industry context: In industrial controls, meeting UL listings and NEMA 12/3R protection minimizes commissioning risk while maximizing uptime and safety compliance.

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FAQs

The DD367FDKW is a three-pole, three-wire fusible switch with an 800 A rating designed for 600 V systems. Plan for proper mounting clearance around the NEMA 12/3R enclosure, secure wiring terminations, and compatible fusing per Class L specifications. Ensure lockout/tagout procedures are observed and that mounting aligns with MCC or panel schedules for safe, compliant operation.
Yes. The unit is rated for 600 V and supports up to 500 HP at 480/600 V with Class L fuse provision and fusible without neutral configuration. It is intended for three-pole, three-wire motor circuits, enabling reliable protection and controlled startup for high-power motors in industrial environments.
This safety switch is commonly selected for motor control centers, process lines, and packaging or manufacturing cells that run at 480/600 V. Its NEMA 12/3R enclosure provides dust-tight and splash-resistant protection, making it suitable for indoor production areas and semi-exposed installations where robust isolation and durability are required.
The DD367FDKW carries UL Listed certification and is housed in a NEMA 12/3R enclosure. These standards ensure safe electrical isolation, durability in challenging environments, and compatibility with standard industrial control frameworks. Always verify local code requirements and system-specific approvals during purchasing and installation.
The fused safety switch delivers reliable, low-maintenance operation with long service life due to its painted galvanized steel enclosure and robust design. Benefits include reduced downtime from safer isolation, faster maintenance checks, and protection that supports longer equipment life and improved overall return on investment for high-current motor circuits.