Eaton DH265FPKW Heavy Duty Fusible Safety Switch - NEMA 4
Part Number: DH265FPKW
Quick Summary
The Eaton DH265FPKW heavy duty fusible safety switch is designed to isolate power safely for large industrial equipment and heavy commercial systems. This solution addresses downtime and safety risks by providing a rugged NEMA 4 enclosure, a clear viewing window, and a reliable cartridge fuse design. With UL Listed certification and durable construction, it meets stringent industry standards while performing in harsh environments. The unit supports up to 400 A at 600 V and up to 50 HP at 250 Vdc, with a two-pole, two-wire configuration for straightforward wiring and code compliance. By combining robust protection with installation flexibility, it reduces maintenance costs, minimizes risk, and supports efficient energy management across demanding facilities.
Product Information
Extended Description
DH265FPKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blade, viewing window, 400 A, NEMA 4, Painted steel, Cartridge, 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
DH265FPKW
UPC
786680181849
Product Length/Depth
64 in
Product Height
13 in
Product Width
26 in
Product Weight
115 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 4
Enclosure material
Painted 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
Amperage Rating
400A
HP rating - max
50 at 250 Vdc
NEMA rating
NEMA 4
Voltage - max
600 V
Voltage rating
600 V
Application
Heavy commercial and industrial
Series
K
Eaton Specification Sheet - DH265FPKW
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: High amperage and voltage rating with 400 A at 600 V and 50 HP at 250 Vdc. Business impact: Enables single-switch protection for large equipment, reducing the need for multiple devices and simplifying control wiring. Application: Heavy commercial and industrial electrical systems where reliable isolation is essential. Feature: NEMA 4 enclosure with painted steel construction. Business impact: Provides rain, dust, and corrosion resistance for indoor and outdoor installations, improving uptime. Application: Harsh environments such as outdoor switchgear rooms and damp industrial facilities. Feature: Cartridge fuse provision and fusible without neutral configuration. Business impact: Delivers quick, reliable protection with easy fuse replacement and predictable fault clearing. Application: Systems requiring straightforward maintenance and fault isolation. Feature: Enhanced visible blade and viewing window. Business impact: Improves safety and reduces inspection time by allowing status checks without opening the enclosure. Application: Routine maintenance and rapid safety verification. Feature: Conductor size flexibility (2/#1/0 to (2)300 kcmil or (1)#1/0 to (1)750 kcmil Cu/Al). Business impact: Supports versatile wiring schemes and reduces sourcing complexity. Application: Large feeders and high-current connections in industrial plants. Feature: UL Listed certification and robust warranty coverage. Business impact: Ensures compliance with safety standards and minimizes ownership risk with clear warranty terms. Application: Procurement and compliance projects in regulated facilities.
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FAQs
For new installations plan for a 64 in depth, 26 in width, and 13 in height footprint with a NEMA 4 enclosure. The unit is a two-pole, two-wire device rated up to 400 A at 600 V, and requires compatible mounting and wiring to accommodate the cartridge fuse configuration without neutral.
The switch supports flexible conductor sizes: (2) #1/0 to (2) 300 kcmil or (1) #1/0 to (1) 750 kcmil copper or aluminum. This enables robust feeder connections for large industrial loads while maintaining code-compliant protection and termination practice.
Yes, it is UL Listed and shipped with a NEMA 4 enclosure, ensuring compliance with essential safety standards and resistance to moisture, dust, and corrosion in industrial environments. This combination supports dependable performance in challenging facilities.
The enhanced visible blade and viewing window let technicians confirm switch status from outside the enclosure, reducing opening risk and inspection time. This visibility improves safe lockout/tagout practices and speeds routine checks during maintenance windows.
The product is covered by Eaton’s standard warranty policy, with terms available in Selling Policy 25-000. Warranty terms typically provide one year from installation or eighteen months from shipment, whichever occurs first, offering protection against manufacturing defects and support for installation-related concerns.