Eaton Fused Safety Switch DD368FDKW-00V2 - UL Listed
Part Number: DD368FDKW-00V2
Quick Summary
DD368FDKW-00V2 fused safety switch provides rugged primary isolation for industrial power systems. In demanding environments, unplanned downtime and difficult panel isolation are costly—this device delivers fast, safe fault clearance and reliable control. Key standards include UL Listed certification and NEMA 12/NEMA 3R enclosure protection, with Class L fusing for predictable opening characteristics. Designed for control panels and motor feeders, it supports up to 600 V, 1200 A, and up to 500 hp, while providing a load-side voltage indicator for quick status checks. Its heavy-duty galvanized enclosure is built for dusty, damp plants and offers straightforward wiring and service access.
Product Information
Extended Description
DD368FDKW-00V2 Eaton: Eaton Double door single-throw fused safety switch, Voltage indicator load side, 1200 A, NEMA 12/3R, 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
DD368FDKW-00V2
UPC
786679184851
Product Length/Depth
27.18 in
Product Height
43.11 in
Product Width
91.02 in
Product Weight
575 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
1200A
Fuse class provision
Class L
HP rating - max
500, 500 hp (3PH @480/600 V)
Voltage rating
600 V
Product Category
Dust tight
Special features
V indicator load side, w/ window
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
Eaton Specification Sheet - DD368FDKW-00V2
The 1200 A amperage rating and 600 V voltage capability enable reliable isolation of large motors and feeders, reducing the risk of arc flash and electrical faults while improving overall system availability. This translates to measurable downtime reductions and safer maintenance windows for plant personnel, especially in high-demand production lines and HVAC or pump applications. The fusible without neutral, Class L fuse configuration provides predictable fuse behavior and selective coordination, which minimizes collateral outages and extends component life in demanding duty cycles. With a NEMA 12 / NEMA 3R enclosure, the switch offers dust-tight protection and weather resilience appropriate for indoor and outdoor installations, improving reliability in harsh environments and reducing enclosure-related failures. The voltage indicator on the load side with a window delivers quick status checks during commissioning and routine inspections, boosting first-pass test success and reducing troubleshooting time. The unit’s three-pole, three-wire design along with (4) #1/0 to (4) 750 kcmil conductor compatibility supports broad wiring options and fast field modifications, aiding future capacity expansions. A 25-000 warranty and Eaton’s service policy provide confidence for long-term procurement and total cost of ownership considerations in high-value projects.
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FAQs
When integrating the DD368FDKW-00V2 into new or existing control panels, ensure a three-pole, three-wire configuration and plan for fusible without neutral operation. Verify 600 V maximum rating and 1200 A continuous current capability, and confirm the enclosure footprint matches available space. The load-side voltage indicator window aids commissioning, while the NEMA 12/3R enclosure provides dust-tight and rain-resistant protection in appropriate environments.
The switch is rated for 600 V and up to 1200 A, with a maximum of 500 hp for 3-phase service at 480/600 V. It supports conductor ranges from 4/0 to 750 kcmil per the listing, suitable for heavy motor feeders and large control circuits. The fusible without neutral configuration means fuses terminate without a neutral conductor, simplifying certain panel layouts and improving selective coordination.
Yes. With a 500 hp maximum rating for 3-phase systems at 480/600 V and a 1200 A amperage rating, the DD368FDKW-00V2 is well-suited for motor starting and large load isolation. Its heavy-duty construction, UL listing, and robust enclosure support reliable protection for motor feeders, MCCs, and critical plant equipment in industrial environments.
The device is UL Listed and configured as a heavy-duty double-door safety switch with a NEMA 12/NEMA 3R enclosure. These standards ensure reliable protection against dust and moisture in a range of indoor and outdoor settings, while maintaining safe isolation practices in control circuits and machine rooms.
Eaton provides a warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports replacement of manufacturing defects and assists with field service planning. For ongoing reliability, confirm spare parts availability for the fusible components and load-side indicators to minimize downtime during maintenance.