Eaton DH325FWKX Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH325FWKX
Quick Summary
Eaton DH325FWKX Heavy duty fusible safety switch provides safe power isolation for demanding industrial environments. This design helps maintenance teams avoid unplanned downtime by quickly isolating circuits in harsh, moisture-prone spaces. It carries UL Listed certification and employs a NEMA 4X EnviroLine stainless enclosure to withstand corrosion and washdown environments, ensuring long-term reliability. The combination of rugged enclosure, high current capacity, and a configurable fuse arrangement supports safe operation across 240 V three-phase systems while delivering value through reduced maintenance and lower lifecycle costs. For engineers and procurement teams, this means faster commissioning, clearer compliance with safety standards, and improved uptime in harsh environments.
Product Information
Extended Description
DH325FWKX Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, 400 A, N4X, EnviroLine stainless, Three-pole, Three-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
DH325FWKX
UPC
782114224076
Product Length/Depth
11.2 in
Product Height
57.47 in
Product Width
12.66 in
Product Weight
133 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
Enclosure
NEMA 4X
Enclosure material
EnviroLine stainless
Fuse class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
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, Harsh Environment - EnviroLine
Feature → Business Impact → Application: The EnviroLine stainless enclosure provides superior corrosion resistance, reducing maintenance cycles and extending service life in harsh environments such as washdown facilities, chemical plants, and outdoor installations, enabling lower total cost of ownership and fewer spare parts. Feature → Business Impact → Application: A 400 A amperage rating with a three-pole configuration supports high-load motor control and critical power distribution, delivering robust fault isolation and improved system protection for mining, metal processing, and large packaging lines. Feature → Business Impact → Application: Class H fuse provision with fusible without neutral offers selective coordination and fast fault clearing, minimizing downtime and protecting downstream equipment in food & beverage processing, water treatment, and batch processing lines. Feature → Business Impact → Application: 240 V operating voltage and HP rating up to 50 (125/50 HP at 3PH Std, TD/250 Vdc) enable direct integration with standard industrial drives and motor starters, simplifying panel design and reducing wiring complexity in petrochemical and turnkey automation projects. Feature → Business Impact → Application: UL Listed certification paired with NEMA 4X (Stainless) enclosure delivers compliance and rugged protection for outdoor enclosures and washdown areas, ensuring consistent performance in cement plants, pulp & paper facilities, and mining operations. Feature → Business Impact → Application: Three-pole, three-wire configuration with fusible safety switching supports straightforward installation and service, reducing commissioning time and enabling predictable maintenance scheduling for mid- to large-scale facilities.
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FAQs
The DH325FWKX is a three-pole, three-wire fusible safety switch designed for 240 V systems. It supports fusible without neutral configurations and accepts large feeders such as (2) #1/0 to (2) 300 kcmil copper/aluminum or up to (1) #1/0 to (1) 750 kcmil. Its EnviroLine stainless enclosure and NEMA 4X rating simplify outdoor or washdown installations and align with typical industrial panel practices.
This switch is rated for 400 A with a maximum horsepower of 50 HP, or 125/50 HP for three-phase operation at standard conditions and 250 Vdc transient/designed operations. These ratings support high-load motor control and heavy-duty process equipment within a single compact enclosure.
Yes. The DH325FWKX uses EnviroLine stainless, enclosed in a NEMA 4X enclosure, providing corrosion resistance and washdown suitability. This makes it well-suited for food and beverage, chemical, mining, and outdoor facilities where exposure to moisture, chemicals, or cleaners is expected.
The product is UL Listed, with a NEMA 4X enclosure standard. These certifications confirm compliance with safety and reliability requirements for industrial electrical components, and support adherence to plant safety programs and installation codes in a wide range of facilities.
With a corrosion-resistant EnviroLine stainless enclosure and robust 400 A rating, the switch reduces maintenance frequency and part replacement in harsh environments. The durable construction and warranty provisions help lower total cost of ownership, minimize unplanned downtime, and simplify spare part planning for mid- to large-scale automation projects.