Eaton DH325FWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH325FWK
Quick Summary
DH325FWK is a heavy duty fusible safety switch designed for industrial power distribution and service entrances. This unit addresses the common challenge of protecting feeders while maintaining quick, safe access for maintenance teams. It carries UL Listed certification and a NEMA 4X stainless steel enclosure, providing reliable corrosion resistance in washdown and outdoor environments. With a three-pole configuration, 400A rating, and 240V operation, it supports robust protection for demanding installations. The design also anticipates service-entrance needs through lug-kit compatibility and adjustable conductor sizing, offering a practical balance of safety, compliance, and installation efficiency for procurement and engineering teams.
Product Information
Extended Description
DH325FWK Eaton: Eaton Enhanced visible blade single-throw safety switch, 400 A, NEMA 4X, 304 stainless steel, Class H, 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
DH325FWK
UPC
782114357224
Product Length/Depth
57 in
Product Height
11 in
Product Width
27 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
Catalog Notes
Suitable for service entrance use with a neutral or ground lug kit installed
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
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, Fusible without neutral
Feature: 400A amperage rating with three-pole, 3-wire configuration at 240V. Business Impact: Enables high-current protection for heavy feeders while preserving a compact footprint, reducing the number of switchgear components and potential failure points. Application: Suitable for large industrial motor loads and critical facility feeders. Feature: 304 stainless steel enclosure with NEMA 4X rating. Business Impact: Delivers excellent corrosion resistance and washdown capability, extending service life in harsh environments and lowering maintenance costs. Application: Ideal for chemical plants, food & beverage facilities, and outdoors installations. Feature: Class H fuse provision with fusible without neutral configuration. Business Impact: Delivers reliable, code-compliant protection with straightforward replacement and fast fault isolation, minimizing downtime. Application: Used in service entrances and switchgear assemblies where quick fuse changes are required. Feature: Conductor sizing options including (2) #1/0 to (2) 300 kcmil or (1) #1/0 to (1) 750 kcmil Cu/Al. Business Impact: Maximizes wiring flexibility and reduces the need for adapters, accelerating installation. Application: Supports diverse facility wiring schematics. Feature: UL Listed and 304 stainless NEMA 4X construction with service-entrance lug-kit compatibility. Business Impact: Enhances compliance and safety while simplifying field upgrades and expansions. Application: Plant-wide protection upgrades and new line builds. Feature: Physical footprint and weight (57 in L x 11 in H x 27 in W; 133 lb). Business Impact: Clear on-site space planning and installation budgeting; predictable handling during integration. Application: Fits standard mechanical rooms and service entrances with limited space.
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FAQs
The DH325FWK supports service-entrance installations and is suitable for use with a neutral or ground lug kit. It is a three-pole switch that accommodates flexible conductor sizing, including up to large Cu/Al conductors, simplifying field wiring and reducing the need for adapters during upgrades.
This unit is rated 400A, 240V and supports up to 50 hp (125/50 hp for 3PH @ Std, TD/250 Vdc). It uses Class H fusible protection and is fusible without neutral, providing reliable overcurrent protection and straightforward fuse replacement in routine maintenance.
Yes. The enclosure is NEMA 4X and constructed from 304 stainless steel, delivering corrosion resistance and washdown capability. UL Listed certification adds regulatory credibility, making it a solid choice for outdoor or wet environment installations.
The DH325FWK is UL Listed and features a NEMA 4X stainless enclosure, aligning with common industrial safety and environmental protection standards. Its service-entrance suitability and lug-kit compatibility enhance compliance during system upgrades and new builds.
Maintenance is straightforward thanks to a fusible design with readily available Class H fuses and simple terminations. The UL Listing and corrosion-resistant enclosure reduce lifecycle costs by limiting downtime and extending equipment life, delivering a favorable total cost of ownership in facility protection projects.