Eaton DH463FWKW Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH463FWKW
Quick Summary
Eaton heavy duty fusible safety switch provides safe, controlled isolation for demanding industrial power circuits. Facing downtime from corrosion, complex wiring, and unplanned outages, engineers need rugged, compliant protection that reduces maintenance overhead. Key certifications include UL Listed and a corrosion‑resistant NEMA 4X enclosure in 304 stainless steel. With a 100 A capacity and a 600 V rating, it supports mid‑to‑high power distribution, while a four-pole cartridge fuse design simplifies replacement and reduces fault‑clearing time. This reliable switch helps improve equipment uptime, extend asset life, and meet demanding industrial protection requirements while supporting efficient installation and compliant operation.
Product Information
Extended Description
DH463FWKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, enhanced visible blades, 4 blade, 100 A, NEMA 4X, Cartridge, Four-pole, Four-wire, 600 V, Max Hp: 50, 50/ 60, 75 hp (480,600 V @1/3PH), 600 V, #14-#1/0 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH463FWKW
UPC
786680181009
Product Length/Depth
29 in
Product Height
9 in
Product Width
17 in
Product Weight
39 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 4X
Enclosure material
304 stainless 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
100A
HP rating - max
50, 50/ 60, 75 hp (480,600 V @1/3PH)
NEMA rating
NEMA 4X (Stainless)
Voltage - max
600 V
Voltage rating
600 V
Application
Heavy commercial and industrial
Series
K
The DH463FWKW uses a four-pole, four-wire configuration rated at 100 A to deliver robust, predictable isolation for mid- to high-power feeders, reducing fault propagation and protecting downstream equipment. The four-blade design simplifies status verification and ensures clean, fast actuation in demanding environments. Cartridge fuse provision enables straightforward maintenance and rapid fuse replacement in the field, lowering downtime costs and facilitating quick fault clearance. NEMA 4X enclosure made from 304 stainless steel provides corrosion resistance, enabling outdoor and harsh indoor installations, translating to longer service life and reduced replacement costs in challenging environments. Enhanced visible blades improve operator safety by making switch status obvious during operation. UL Listed certification and rugged construction support regulatory compliance, while a compact footprint and clear warranty terms aid budgeting and procurement for industrial facilities.
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FAQs
This model uses a four-pole, four-wire configuration with a cartridge fuse provision and a NEMA 4X stainless enclosure, designed for straightforward mounting in mid to high‑power layouts. Check available space for the 29 in length, ensure proper mounting clearance for the 17 in width and 9 in height, and confirm compatibility with existing 600 V feeders and four‑wire circuits to minimize electrical clearance issues and wiring mistakes.
Key ratings include a 100 A amperage rating and a 600 V maximum voltage, with a 50/60 Hz compatibility and HP ratings of 50, 50/60, and 75 hp at 480/600 V @ 1/3 pH. The device is a four-pole, four-wire unit with cartridge fuse provision, offering reliable overcurrent protection and clean fault isolation for industrial power circuits.
Yes. The enclosure is NEMA 4X and constructed from 304 stainless steel, delivering corrosion resistance suitable for outdoor installations and harsh indoor environments. This makes the DH463FWKW well suited for heavy commercial and industrial applications where environmental exposure is a concern and long-term reliability is critical.
The DH463FWKW carries UL Listed certification, and it uses a corrosion‑resistant NEMA 4X enclosure with a stainless steel construction. These certifications support regulatory compliance, with an industry‑standard safety profile that simplifies procurement, installation, and service in regulated industrial settings.
Warranty terms follow Eaton’s policy (one year from installation or eighteen months from shipment, whichever occurs first), and maintenance is simplified by the cartridge fuse design, allowing quick field replacements. Weight (39 lb) and a 29 in L footprint facilitate handling and mounting, contributing to reduced downtime and lower long‑term ownership costs.