Eaton DH264FWKW Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH264FWKW
Quick Summary
The Eaton DH264FWKW heavy duty fusible safety switch is a rugged power isolation device designed for heavy commercial and industrial electrical systems. This solution addresses common installation challenges such as outdoor exposure, corrosion, and difficult status checks by offering a corrosion-resistant 304 stainless steel, NEMA 4X enclosure with a window and visible blade. UL Listed protection and a robust enclosure provide durability in demanding environments, while the cartridge fuse configuration supports straightforward maintenance. For procurement and troubleshooting teams, the combination of high amperage capacity, clear operability, and reliable protection translates into reduced downtime, simplified compliance, and stronger safety programs across distributed automation or motor control applications.
Product Information
Extended Description
DH264FWKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, enhanced visible blade, 200 A, NEMA 4X, Cartridge, Two-pole, Two-wire, 600 V, Max Hp: 50, 50 hp/50 hp (1PH @480,600 V TD/600 Vdc), #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH264FWKW
UPC
786680181825
Product Length/Depth
37.5 in
Product Height
11.5 in
Product Width
19 in
Product Weight
43 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). Window & Visible Blade
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse class provision
Cartridge
Fuse configuration
Fusible without neutral
Number Of Poles
Two-pole
Number of wires
2
Type
Heavy duty fusible safety switch
Wire size
#6 AWG-300 kcmil Cu/Al
Amperage Rating
200A
HP rating - max
50, 50 hp/50 hp (1PH @480,600 V TD/600 Vdc)
NEMA rating
NEMA 4X (Stainless)
Voltage - max
600 V
Voltage rating
600 V
Application
Heavy commercial and industrial
Series
K
Feature: Corrosion-resistant NEMA 4X enclosure in 304 stainless steel. Business Impact: Prolonged service life in outdoor and washdown environments reduces maintenance costs and replacement cycles. Application: Outdoor substations, coastal facilities, and harsh industrial plants where exposure to moisture and chemicals is ongoing. Feature: Window and visible blade for status indication. Business Impact: Operators can verify switch status at a glance, enabling faster maintenance decisions and safer lockout/tagout procedures. Application: Routine inspections, preventive maintenance rounds, and uptime-focused facilities. Feature: Cartridge fuse configuration. Business Impact: Simplified fuse replacement minimizes downtime and shortens maintenance windows. Application: Medium-duty feeders and motor circuits where quick, reliable fuse changes are critical. Feature: Two-pole, two-wire design with #6 AWG-300 kcmil Cu/Al wiring. Business Impact: Flexible, code-compliant wiring options support a wide range of installation layouts and amperage protection. Application: Motor control centers and distribution panels in industrial plants. Feature: Amperage rating of 200A and HP rating up to 50 HP (1PH at 480/600 V). Business Impact: Scalable protection for moderate to large motor loads and feeders, enabling consolidated inventory. Application: Large conveyors, pumps, and processing lines. Feature: Voltage rating and compliance (600 V max, UL Listed). Business Impact: Ensures electrical safety and regulatory alignment, reducing risk during commissioning. Application: Industrial power distribution and safety-critical circuits.
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FAQs
Installers should plan for a two-pole, two-wire configuration using conductors in the #6 AWG to 300 kcmil Cu/Al range. The device is mounted in a NEMA 4X enclosure with a window and visible blade, and it accepts cartridge fuses. Ensure proper clearance for ventilation and service access, and follow lockout/tagout procedures during maintenance.
This switch is rated for 200 A with a maximum of 50 HP per phase at 480/600 V (1PH). It uses a cartridge fuse configuration for protection and supports up to 600 V. It’s UL Listed and designed for heavy commercial and industrial applications, making it suitable for medium-to-large motor loads and feeders.
Yes. The enclosure is NEMA 4X and constructed from 304 stainless steel, providing corrosion resistance and durability in outdoor, washdown, or corrosive environments. This makes it well-suited for industrial plants, food processing, and coastal facilities where exposure is a concern.
The DH264FWKW is UL Listed and features a NEMA 4X enclosure with a window and visible blade for status indication. Its stainless steel construction and cartridge fuse configuration support compliant installation in harsh environments and align with common industrial safety requirements.
The cartridge fuse design enables quick, straightforward replacements, minimizing downtime. The window and visible blade facilitate rapid status checks, reducing diagnostic time. With UL Listing and corrosion-resistant construction, you gain long service life and predictable maintenance costs, improving total cost of ownership in mid-to-large industrial installations.