Eaton DH364FDKW Heavy duty fusible safety switch - UL Listed
Part Number: DH364FDKW
Quick Summary
Eaton DH364FDKW heavy duty fusible safety switch is a rugged 3-pole device designed for industrial power distribution and machine-control panels. When downtime or wiring errors threaten safety, its enhanced visible blades and upper viewing window help technicians verify connections quickly and confidently. UL Listed and built around a NEMA 12/3R enclosure with painted galvanized steel and Class H fuses, it stands up to harsh environments and long service intervals. This combination supports compliant installations, reduces maintenance costs, and improves commissioning speed in industrial facilities, making it a reliable choice for modern electrical protection and control needs.
Product Information
Extended Description
DH364FDKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blades, upper viewing window, 200 A, NEMA 12/3R, Painted galvanized steel, Class H, Fusible without neutral, Three-pole, Three-wire, 600 V, #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH364FDKW
UPC
786680148804
Product Length/Depth
37.5 in
Product Height
11.5 in
Product Width
19 in
Product Weight
55 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 class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
200A
NEMA rating
NEMA 12/3R
Voltage rating
600 V
Feature: Enhanced visible blades and upper viewing window provide clear, real-time verification during installation and routine checks. Business Impact: Reduces mis-wiring and commissioning time, lowering risk of electrical faults and rework. Application: Ideal for panel builds in manufacturing lines and packaging equipment where visibility matters. Feature: 200A amperage rating and 600V voltage rating deliver robust protection for large motors and feeders. Business Impact: Supports higher surge tolerance and safer startup, enabling longer equipment life and lower energy losses. Application: Suitable for heavy machinery drives and distribution feeds in industrial plants. Feature: NEMA 12/3R enclosure with painted galvanized steel enables reliable indoor and sheltered outdoor performance. Business Impact: Enhances environmental protection and reduces maintenance costs from corrosion and moisture ingress. Application: Preferred in control rooms, warehouses, and outdoor enclosures. Feature: Class H fuse configuration, fusible without neutral, and three-pole design improve fault protection and wiring simplicity. Business Impact: Streamlines installation, simplifies spare parts management, and improves safety during fault clearing. Application: Standard in power distribution panels and machine-control assemblies. Feature: UL Listed certification and documented warranty provide regulatory confidence and support long-term serviceability. Business Impact: Facilitates audits and compliance while offering a one-year warranty (or 18 months from shipment) for risk mitigation. Application: Aligns with procurement standards in automotive, food & beverage, and general manufacturing.
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FAQs
When installing the DH364FDKW, ensure sufficient panel depth to accommodate the 37.5 inch depth plus wiring, verify clearance for three-pole operation, and mount within a NEMA 12/3R-rated enclosure. Use three-wire copper or aluminum conductors in the #6–300 kcmil range and follow standard lockout/tagout procedures to maximize safety and commissioning speed.
The switch is rated for 200 A at up to 600 V and is a three-pole fusible device without neutral. It supports Cu/Al conductors from #6 to 300 kcmil. This combination enables robust protection for large motors and feeders while keeping wiring simple and compliant with typical industrial power-distribution practices.
The DH364FDKW is UL Listed and features a NEMA 12/3R enclosure, suitable for indoor and sheltered outdoor environments. Its Class H fuse configuration provides reliable short-circuit protection, while the rugged painted galvanized steel enclosure guards against corrosion and environmental exposure in demanding facilities.
Routine maintenance includes visual inspections of blade visibility, enclosure integrity, and fuse status during periodic preventive maintenance. The unit carries a one-year warranty (18 months from shipment, if applicable), so document installation dates and keep spare Class H fuses on hand to minimize downtime and ensure quick fault clearance.
By combining a robust 200 A, 600 V rating with a durable NEMA 12/3R enclosure and UL Listing, the DH364FDKW reduces unplanned downtime and service costs. Enhanced visibility blades accelerate commissioning and troubleshooting, while its rugged construction supports longer service intervals, delivering lower total cost of ownership for power distribution and machine-control panels.