Eaton DD367FWKW-00V3 Safety Switch - NEMA 4X Protection
Part Number: DD367FWKW-00V3
Quick Summary
DD367FWKW-00V3 is an Eaton double-door fused safety switch for industrial line isolation in harsh environments. Owners face downtime and safety concerns when control panels lack durable protection, clear status indicators, and reliable fault isolation. Key certifications and ratings include UL Listed approval, a NEMA 4X enclosure, and Class L fuse compatibility, providing proven safety and regulatory alignment. This unit's rugged build supports high amperage up to 800 A at 600 V, with a heavy-duty enclosure designed for washdown and corrosive environments. For system integrators and OEMs, the combination of robust protection, straightforward maintenance, and a clear installation footprint translates to lower lifecycle costs and fewer panel-related outages.
Product Information
Extended Description
DD367FWKW-00V3 Eaton: Eaton Double door single-throw fused safety switch, Voltage indicator line and load side, 800 A, NEMA 4X, 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
DD367FWKW-00V3
UPC
786679174555
Product Length/Depth
86.73 in
Product Height
22.16 in
Product Width
26.57 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 4X
Enclosure material
304 stainless 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 4X
Voltage rating
600 V
Product Category
Watertight
Special features
V indicator line and load side, w/ window
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Eaton Specification Sheet - DD367FWKW-00V3
Enclosure and material excellence drive durability in demanding settings. Feature: NEMA 4X stainless steel enclosure (304 stainless steel) provides superior corrosion resistance and washdown compatibility. Business impact: reduces maintenance frequency and extends service life in chemical processing, food & beverage, and outdoor installations. Application: ideal for harsh environments where reliability and cleanliness are critical. Feature: Fusible without neutral with Class L fuse protection streamlines wiring—only the required fuse elements are used. Business impact: improves fault isolation, lowers spare-part inventory, and simplifies maintenance routines. Application: motor control centers and power distribution in heavy-traffic plants. Feature: Amperage rating of 800 A with a 500 hp rating at 3PH (480/600 V) enables safe isolation of large motors and high-load systems. Business impact: supports higher motor starting torque and reduces panel congestion. Application: large conveyors, mixers, and presses. Feature: Three-pole, three-wire configuration plus line indicator and load-side window provides clear status at a glance. Business impact: enhances operator safety and reduces miswiring risk during maintenance. Application: panel upgrades and OEM assemblies requiring quick verification. Feature: Large footprint with dimensions of 86.73 in length, 22.16 in height, 26.57 in width, and a 300 lb weight informs enclosure planning and installation sequencing. Business impact: enables precise space planning and safer handling in fabrication facilities. Application: new builds and retrofits in industrial environments. Feature: UL Listed certification and NEMA 4X rating deliver regulatory confidence and customer trust. Business impact: supports compliance audits and reduces qualification time for safety approvals. Application: governed industrial installations requiring formal safety approvals. Feature: One-year warranty (or 18 months from shipment, per Eaton policy) provides dealer and end-user support. Business impact: lowers total cost of ownership through predictable service terms. Application: procurement and maintenance contracts with defined coverage.
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FAQs
DD367FWKW-00V3 is a three-pole, three-wire unit designed for line isolation with fusible protection (without neutral). It requires a compatible 86.73 inch long, 26.57 inch wide footprint, and a 22.16 inch height enclosure. Plan for 300 lb weight, ensure secure mounting to withstand vibration, and provide appropriate clearance for access to the line and load sides, including the windowed status indicators.
The 800 A amperage rating and 600 V operating voltage support isolation of large motors and high-load circuits, delivering robust fault isolation and reduced fault propagation. With a 500 hp capacity for 3PH at 480/600 V, it is suitable for demanding applications such as conveyors and packaging lines, ensuring reliable startup and shutdown without nuisance tripping when sized correctly in the system design.
Industries with washdown, high humidity, or corrosive exposure—such as chemical processing, food and beverage, and outdoor outdoor equipment—benefit from the 304 stainless steel NEMA 4X enclosure. The watertight protection and corrosion resistance extend service life and reduce maintenance in challenging production environments.
This safety switch is UL Listed and features a NEMA 4X enclosure, aligning with common electrical safety and environmental protection requirements in industrial facilities. The Class L fuse provision supports proper overcurrent protection, aiding in regulatory alignment and safer electrical installations.
Eaton offers a 1-year warranty from installation or 18 months from shipment, whichever occurs first, providing assurance against manufacturing defects. The combination of durable materials, high amperage capability, and clear diagnostics reduces downtime, lowers maintenance costs, and improves overall return on investment for mission-critical control panels.