Eaton DH265FWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH265FWK
Quick Summary
Eaton DH265FWK heavy duty fusible safety switch provides safe isolation for control panels in demanding industrial environments. Downtime from corrosion and unreliable disconnects remains a top maintenance and safety risk for facilities; this unit is engineered to minimize that exposure. UL Listed, NEMA 4X (Stainless) enclosure and Class H fuse provision deliver robust protection against moisture, dust, and corrosion in harsh locations. The two-pole, two-wire configuration supports clean integration with up to 600 V and 400 A service, while offering straightforward replacement and predictable thermal performance. By combining rugged construction with proven protection, it helps facility managers improve uptime, reduce lifecycle costs, and ensure regulatory compliance for critical processes.
Product Information
Extended Description
DH265FWK Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, 400 A, NEMA 4X, 304 stainless steel, Class H, Two-pole, Two-wire, 600 V, Max Hp: 50 at 250 Vdc, (2)#1/0-(2)300 kcmil or (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH265FWK
UPC
786685926353
Product Length/Depth
64 in
Product Height
13 in
Product Width
26 in
Product Weight
115 lb
Certifications
UL Listed
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Two-pole
Number of wires
2
Type
Heavy duty fusible safety switch
Amperage Rating
400A
HP rating - max
50 at 250 Vdc
NEMA rating
NEMA 4X (Stainless)
Voltage rating
600 V
Feature → Business Impact → Application: Corrosion-resistant 304 stainless steel enclosure with NEMA 4X rating reduces environmental degradation in outdoor and washdown areas, extending service life and lowering maintenance costs; ideal for outdoor motor controllers and control cabinets in exposed environments. Feature → Business Impact → Application: Class H fuse provision delivers reliable overcurrent protection with predictable fuse performance, reducing nuisance trips and protecting downstream equipment in critical automation loops; suitable for high-density control centers. Feature → Business Impact → Application: Fusible switch design with two-pole, two-wire configuration simplifies integration into existing controls while supporting 600 V and 400 A service, shortening wiring time and improving safety in new installations. Feature → Business Impact → Application: 64 in length, 26 in width, 13 in height footprint provides adequate clearance for cable routing and comfortable maintenance access in MCCs and industrial dashboards. Feature → Business Impact → Application: UL Listed certification confirms compliance with common electrical standards, enabling faster procurement and reducing validation cycles for regulated facilities. Feature → Business Impact → Application: 2/0 to 750 kcmil conductor compatibility (Cu/Al) ensures flexible feeders and simple conductor upgrades during line modernization without replacing switchgear.
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FAQs
Yes. The DH265FWK is designed as a two-pole, two-wire fusible safety switch with fusible without neutral configuration, supporting up to 600 V and 400 A. This makes it simple to drop into existing control circuits without neutral wiring changes, while preserving safe isolation and protective features.
Key specs include 400 A amperage rating, 600 V voltage rating, HP up to 50 at 250 Vdc, NEMA 4X (stainless) enclosure, UL Listing, and Class H fuse provision. It accepts conductors from #1/0 up to 750 kcmil Cu/Al depending on the conductor size, enabling flexible integration in power distribution and control panels.
Yes. The unit features a 304 stainless steel enclosure with NEMA 4X ratings, designed to resist moisture, dust, and corrosion. UL Listed for compliance, this makes it suitable for outdoor installations, washdown areas, or other harsh environments common in process and manufacturing facilities.
The assembly measures 64 inches in depth, 13 inches in height, and 26 inches in width, with a weight of approximately 115 lb. These dimensions help determine cabinet integration space and clearance for wiring, making installation predictable within MCCs and control rooms.
The corrosion-resistant enclosure and Class H fuse design minimize maintenance and fuse-related downtime, while UL Listing simplifies compliance audits. Long service life in demanding environments reduces replacement cycles and total cost of ownership, delivering better uptime and predictable lifecycle costs for critical processes.