Eaton DH464FDKW Fusible Safety Switch - UL Listed
Part Number: DH464FDKW
Quick Summary
Eaton DH464FDKW Fusible Safety Switch offers reliable isolation for heavy commercial and industrial power systems. Operators often face unsafe equipment and unplanned downtime when safety switches lack visible blades or fail to trip predictably. This unit uses enhanced visible blades and a four-pole cartridge design, backed by UL Listed certification and rugged NEMA 12/3R enclosures. With a 200A rating and 600 V capability, it supports reliable isolation in demanding industrial environments while maintaining serviceability. This combination delivers faster maintenance, improved safety, and predictable performance—key value for procurement teams seeking compliance and uptime.
Product Information
Extended Description
DH464FDKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blades, 4 blade, 200 A, NEMA 12/3R, Cartridge, Four-pole, Four-wire, 600 V, Max Hp: 125, 150/ 40 hp (480,600 V @3PH/250 Vdc), 600 V, #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH464FDKW
UPC
786680181023
Product Length/Depth
37 in
Product Height
11.5 in
Product Width
19 in
Product Weight
58 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
Catalog Notes
Heavy Duty Safety Switch (HDSS), w/ Enhanced Visible Blade
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Cartridge
Fuse configuration
Fusible without neutral
Number Of Poles
Four-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
200A
HP rating - max
125, 150/ 40 hp (480,600 V @3PH/250 Vdc)
NEMA rating
NEMA 12/3R
Voltage - max
600 V
Voltage rating
600 V
Application
Heavy commercial and industrial
Series
K
Feature: Enhanced visible blades improve safe operation and quick status verification. Business Impact: Reduced risk of arc flash exposure during manual operation and faster fault assessment by maintenance staff. Application: Ideal for HDSS installations in crowded control panels and maintenance bays where clear switch state is critical. Feature: Four-pole, four-wire configuration supporting three-phase systems with neutral. Business Impact: Enables clean, coordinated disconnection of all conductors, improving protective coordination and reducing mis-wiring risks. Application: Motor feeders and multi-wire circuits in manufacturing lines operating up to 600 V. Feature: Cartridge fuse provision and fusible without neutral design. Business Impact: Simplifies fuse replacement, minimizes downtime, and supports selective coordination for cost-effective protection. Application: Heavy-duty power distribution where rapid fuse swaps are needed during preventive maintenance. Feature: NEMA 12, NEMA 3R enclosures with painted galvanized steel. Business Impact: Provides indoor and outdoor protection against dust, moisture, and corrosion, extending service life and reducing enclosure-related failures. Application: Outdoor subpanels or harsh factory environments where weather sealing matters. Feature: Compact 37 in depth, 19 in width, 11.5 in height footprint with 200A rating. Business Impact: Facilitates space planning and retrofit in existing panels while delivering robust performance. Application: Industrial facilities upgrading safety isolation with minimal layout changes.
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FAQs
The DH464FDKW is a four-pole, four-wire device designed for special-purpose isolation in 600 V systems. Plan for a 37 in depth, 19 in width, and 11.5 in height footprint, and ensure compatibility with NEMA 12 or NEMA 3R enclosures. Use cartridge fuses as specified, confirm correct wiring of all four conductors, and follow standard lockout/tagout procedures during installation.
DH464FDKW provides a 200A amperage rating and supports up to 600 V. The HP ratings are 125 HP at 480V, 150 HP at 600V (three-phase), and 40 HP for 250 Vdc. It is a four-pole unit with four wires, designed for heavy-duty motor and feeder protection in industrial settings.
Yes. The enclosure is rated for NEMA 3R, in addition to NEMA 12 protection, making the DH464FDKW suitable for indoor and certain outdoor environments where weather exposure is a consideration. The painted galvanized steel enclosure provides durability in challenging industrial conditions while maintaining safe operation.
The DH464FDKW is UL Listed, ensuring compliance with recognized safety standards for electrical equipment. Its enclosure ratings (NEMA 12/3R) and heavy-duty fusible design further support regulatory alignment for industrial installations and safe service practices.
Enhanced visible blades improve visibility of switch status during operation and maintenance, reducing inspection time and mis-operation risk. Combined with a robust four-pole, cartridge fuse configuration, the unit supports faster fault isolation, lower downtime, and improved uptime metrics—delivering measurable ROI through safer, more reliable power isolation.