Eaton DH325NWK316 Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH325NWK316
Quick Summary
Eaton heavy duty fusible safety switch provides reliable electrical protection for demanding industrial and commercial power distribution applications. In challenging environments, corrosion and maintenance downtime plague control panels. UL Listed and built to NEMA 4X corrosion resistance in 316 stainless steel, with NEC 230.62 barrier compliance for safe, compliant installations. Designed for easy integration with three‑phase systems and a neutral conductor, it helps shorten commissioning and reduce total cost of ownership while delivering rugged performance in washdown, chemical, and outdoor environments.
Product Information
Extended Description
DH325NWK316 Eaton: Eaton Heavy duty single-throw fused safety switch, Corrosion resistant, 400 A, NEMA 4X, 316 stainless, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 50, 125/ 50 hp (3PH @Std, TD/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
DH325NWK316
UPC
782116489930
Product Length/Depth
57.5 in
Product Height
12.38 in
Product Width
27.5 in
Product Weight
175 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.
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Enclosure
NEMA 4X
Enclosure material
316 stainless steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
400A
HP rating - max
50, 125/ 50 hp (3PH @Std, TD/250 Vdc)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
316 stainless steel enclosure with a NEMA 4X rating delivers superior corrosion resistance and longer equipment life, reducing replacement costs and downtime in washdown and outdoor installations. This translates to lower maintenance cycles and higher system availability in demanding food & beverage, water treatment, and chemical processing environments. The fusible with neutral configuration, combined with Class H fuses, enables precise overcurrent protection and straightforward fuse replacement, supporting safer shutdowns and easier maintenance in large motor applications. With 400A at 240V and a maximum of 50 HP per phase (3PH STD, TD/250Vdc), the unit supports robust motor control while maintaining compact footprint and straightforward wiring in MCCs and switchgear assemblies. The 57.5 in length, 27.5 in width, and 12.38 in height ensure a predictable installation footprint, while a 175 lb weight communicates rugged construction for demanding facilities. UL Listed and NEC barrier-compliant, this switch aligns with critical regulatory needs and industry best practices. A one-year warranty from Eaton provides assurance against manufacturing defects, contributing to predictable total cost of ownership for critical protection equipment.
Get a Quick Quote for a Eaton DH325NWK316
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton DH325NWK316?
Enquire Now
FAQs
For harsh environments, select the 316 stainless steel enclosure with a NEMA 4X rating to ensure corrosion resistance. Plan for a 57.5 in long, 27.5 in wide, and 12.38 in high footprint with a 175 lb weight, and provide proper clearance for service access and neutral conductor connections.
Yes. The DH325NWK316 is rated for 400A at 240V and supports motor loads up to 50 HP per phase (3PH STD, TD/250Vdc). It uses a three-pole, four-wire configuration with neutral and Class H fuses for reliable overcurrent protection.
The switch is UL Listed and features a NEMA 4X, corrosion-resistant 316 stainless enclosure with NEC 230.62 barrier compliance. These certifications support safe installation, proper shielding of live parts, and alignment with common electrical codes in industrial facilities.
Prepare a space accommodating 57.5 inches of depth, 27.5 inches of width, and 12.38 inches of height. The unit weighs 175 pounds, so plan for secure mounting, proper lifting points, and appropriate room for fuse access and neutral wiring during installation.
Eaton provides a one-year warranty from installation or eighteen months from shipment, whichever occurs first. This policy helps offset maintenance planning and supports long-term protection equipment ROI in critical applications.