Eaton DH325NPKW Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH325NPKW
Quick Summary
DH325NPKW heavy duty fusible safety switch from Eaton provides rugged power isolation for industrial protection panels and MCCs. Downtime and safety penalties often rise when switches are hard to wire, service, or withstand harsh environments. UL Listed certification and a NEMA 4 painted-steel enclosure ensure reliable operation in outdoor or washdown settings, while a 400 A rating at 240 V supports demanding drives. Designed for both 2-pole and 3-pole configurations, it integrates with control panels and motor control centers, delivering predictable protection and easier maintenance. Professional installers appreciate the clear fuse status and robust construction. Together with Eaton's warranty and spare-part ecosystem, this switch offers long-term value and lower lifecycle costs.
Product Information
Extended Description
DH325NPKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blade, 400 A, NEMA 4, 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
DH325NPKW
UPC
782114357262
Product Length/Depth
12.63 in
Product Height
57.63 in
Product Width
23 in
Product Weight
135 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
For 2-pole applications; use outside poles of 3-pole switch
Enclosure
NEMA 4
Enclosure material
Painted 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 4
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Enhanced visible blade design improves safety by providing instant status indication, enabling faster fault diagnosis and reduced maintenance time. Feature → Business Impact → Application. The 400 A amperage rating at 240 V handles large motor loads and feeder circuits, delivering reliable protection for process lines while supporting up to 50 hp in standard three-phase configurations. Three-pole with four-wire wiring and neutral provision simplifies integration into existing control architectures, reducing wiring errors in motor control centers and switchgear. The NEMA 4 enclosure and painted steel construction offer exceptional dust, water, and washdown resistance, extending service intervals in challenging environments such as manufacturing floors and outdoor installations. Fuse class provision Class H and fusible-with-neutral configuration boost safety margins, facilitating compliant fuse replacement and predictable protection during overloads. The UL Listed certification reinforces quality and compliance for industrial applications, aligning with maintenance programs and spare-part planning. For two-pole installations, the catalog notes advise using the outside poles of a 3-pole switch, simplifying retrofits and panel upgrades. Overall, the DH325NPKW combines rugged build, clear status visibility, and installer-friendly features to reduce total cost of ownership in high-demand facilities.
Get a Quick Quote for a Eaton DH325NPKW
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 DH325NPKW?
Enquire Now
FAQs
For 2-pole installations, use the outside poles of a 3-pole switch as noted in Eaton catalogs. Ensure neutral wiring remains compliant with the fusible-with-neutral configuration and verify proper enclosure grounding. This approach preserves safety clearances while keeping wiring simple in new or retrofit panels.
The unit is rated for 400 A at 240 V, with a three-pole, four-wire configuration and neutral. It supports up to 50 hp for three-phase motor loads under standard conditions, making it suitable for demanding drives and line feeders in industrial settings.
Yes. The enclosure is NEMA 4 and the body uses painted steel, offering weather, dust, and washdown resistance. This makes the DH325NPKW suitable for outdoor panels, exposed installations, and demanding production floors where environmental protection is essential.
The DH325NPKW is UL Listed, ensuring compliance with widely recognized electrical safety standards for industrial equipment. The NEMA 4 enclosure rating further supports compliance in damp, dusty, or outdoor environments.
Eaton provides a warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Buyers also gain access to Eaton's spare-part ecosystem, aiding long-term maintenance, uptime, and return-on-investment through reliable parts availability.