Eaton DD364FDKW-00V1 Fused Safety Switch - UL Listed, NEMA 12
Part Number: DD364FDKW-00V1
Quick Summary
The Eaton DD364FDKW-00V1 is a double-door fused safety switch for safely isolating industrial machinery circuits. It helps eliminate downtime caused by unclear fault isolation and inconsistent lockout/tagout procedures by providing clear status indicators and rugged construction. Certified UL Listed and built in a NEMA 12/3R enclosure with Class H fusing, it withstands dusty and damp environments. Designed for 200 A, three-pole operation, this heavy-duty safety switch integrates smoothly with 600 V systems, offering reliable protection and reducing maintenance costs for industrial plants. In practice, it supports robust electrical protection while simplifying installation and compliance for engineering teams and maintenance personnel.
Product Information
Extended Description
DD364FDKW-00V1 Eaton: Eaton Double door single-throw fused safety switch, Voltage indicator line side, 200 A, NEMA 12/3R, Class H, Fusible without neutral, Three-pole, Three-wire, 600 V, Max Hp: 50, 50/ 125, 150 hp (1/3PH @480, 600 V), #6-300 kcmil
Product Name
Eaton double door single-throw fused safety switch
Catalog Number
DD364FDKW-00V1
UPC
786679174333
Product Length/Depth
49.9 in
Product Height
11.62 in
Product Width
17.18 in
Product Weight
85 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
Wire size
#6 AWG-300 kcmil
Amperage Rating
200A
Fuse class provision
Class H
HP rating - max
50, 50/ 125, 150 hp (1/3PH @480, 600 V)
NEMA rating
NEMA 12
Voltage rating
600 V
Product Category
Dust tight
Special features
V indicator line side, w/ window
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DD364FDKW-00V1
Feature: 200 A amperage rating; Business Impact: precise overcurrent protection reduces nuisance trips and extends motor and drive life; Application: suitable for mid-to-large industrial assemblies such as conveyors and presses. Feature: Three-pole, fusible without neutral; Business Impact: streamlined wiring and safer fault isolation in three-phase systems; Application: 3-wire motor feeders and multi-motor drives. Feature: NEMA 12 / NEMA 3R enclosure; Business Impact: dust-tight and weather- resistant protection lowers field maintenance; Application: factory floors, outdoor bays, and washdown areas. Feature: Voltage indicator line side with window; Business Impact: instant fuse status verification reduces downtime and service calls; Application: fast control panel checks during maintenance. Feature: Wire size range #6 AWG–300 kcmil; Business Impact: supports large feeders with fewer components and simpler splicing; Application: motor starter and feeder configurations up to 200 A. Feature: Heavy duty double door design and painted galvanized steel enclosure; Business Impact: enhanced durability and long service life in harsh environments; Application: high-use industrial control panels. Feature: Class H fuse provision; Business Impact: reliable protection for critical loads and easier compliance with fuse standards; Application: critical machinery circuits requiring high-speed protection. Each feature is chosen to align with industry best-practice installation, ensuring compatibility with standard control panels and reducing integration risk for new builds or retrofits.
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FAQs
The DD364FDKW-00V1 uses a heavy-duty, wall/rail-mountable design with a NEMA 12 and NEMA 3R enclosure rating. Its galvanized steel enclosure is built for dusty, damp environments common in manufacturing floors. This translates to easier retrofit or new-installation compatibility with standard control panels and clean, code-compliant installations.
Key specs include a 200 A amperage rating, three-pole configuration, fusible without neutral, 600 V voltage rating, Class H fuse provision, and #6 AWG to 300 kcmil wiring capacity. It supports up to 50 to 150 hp depending on voltage and phase, making it suitable for mid to large motor loads.
Yes. The enclosure complies with NEMA 12 standards, offering protection against dust and non-corrosive, non-splash environments. This makes it appropriate for indoor industrial settings, including dusty manufacturing floors, and reduces enclosure-related maintenance while improving service life.
The line-side voltage indicator window provides a quick, at-a-glance status check of the fused switch without opening the enclosure. This supports safer lockout/tagout practices, faster fault diagnosis, and reduced exposure to energized components during routine inspections or troubleshooting.
Plan for a 49.9 inch depth, 11.62 inch height, and 17.18 inch width footprint to fit standard control panels and spaces. The 85 lb weight and galvanized steel construction support durable field mounting. The 200 A rating and UL-listed certification help meet regulatory requirements, lowering downtime costs and extending motor life in production lines.