Eaton DH265NWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH265NWK
Quick Summary
Eaton heavy duty fusible safety switch provides reliable circuit protection for industrial control panels and service entrances. In harsh plants, exposed disconnects contend with corrosion, downtime, and tedious maintenance that slow production. UL Listed with a NEMA 4X stainless enclosure and Class H fuse provision, it meets NEC 230.62 barrier requirements for safer, code-compliant installations. The 400 A, 600 V rating supports robust electrical protection for large motors and feeders, while the fusible with neutral configuration and wide conductor size range simplifies wiring. This model integrates seamlessly with common control gear, helping engineers reduce downtime and improve overall plant reliability while aligning with critical safety standards.
Product Information
Extended Description
DH265NWK Eaton: Eaton Heavy duty single-throw fused safety switch, Corrosion resistant, 400 A, NEMA 4X, 304 stainless steel, Class H, Neutral, Two-pole, Three-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
DH265NWK
UPC
786685926384
Product Length/Depth
64 in
Product Height
13 in
Product Width
26 in
Product Weight
115 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Number of wires
3
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
304 stainless steel, NEMA 4X enclosure delivers corrosion resistance and durable protection in washdown and outdoor environments, reducing maintenance costs and downtime while extending service life for industrial safety switch applications. The 400 A amperage rating and 600 V capacity enable safe isolation of large motor loads and feeders, promoting reliable shutdowns and safer energy control in manufacturing lines. Class H fuse provision with fusible neutral support selective protection and straightforward fault isolation, improving system coordination and reducing arc-flash exposure during maintenance. UL Listed and NEC 230.62 barrier compliance provide regulatory assurance and safer installations across critical process areas. With dimensions of 64 in length, 26 in width, and 13 in height (weight 115 lb), the unit fits standard electrical spaces while offering ample wiring room for 2/0 to 750 kcmil conductors, supporting flexible installation in control rooms and outdoor sites. Conductor options include (2)#1/0–(2)300 kcmil or (1)#1/0–(1)750 kcmil Cu/Al, enabling broad wiring compatibility for diverse power distribution layouts.
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FAQs
The DH265NWK is designed for industrial control panels, service entrances, and outdoor equipment where reliable isolation is required. Its NEMA 4X stainless enclosure and UL Listed rating make it suitable for washdown areas and harsh environments, while the two-pole with neutral configuration supports common control circuits and large motor feeders.
The 400 A amperage and 600 V rating allow safe disconnects for high-current motor loads and feeders. This enables correct sizing of feeders, breakers, and conductors, while supporting selective coordination and safe maintenance. The wide conduit and conductor options (up to 750 kcmil Cu/Al) provide flexibility during installation.
Yes. The enclosure is 304 stainless steel and rated to NEMA 4X, providing excellent corrosion resistance in humid, salty, or washdown environments. This makes it a durable choice for food & beverage, water treatment, and outdoor process areas where protection against moisture and corrosion is critical.
This switch is UL Listed and compliant with NEC 230.62 barrier requirements. It supports a 600 V rating and a Class H fuse provision with neutral, simplifying regulatory approvals and ensuring safety standards are met across industrial installations.
Maintenance is typically reduced due to corrosion resistance and robust stainless steel construction, leading to longer service life and less frequent replacements. The unit’s durable isolation and compatibility with wide conductor ranges minimize downtime, contributing to lower total cost of ownership and improved plant uptime over the equipment lifecycle.