Eaton DH225NPKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH225NPKV
Quick Summary
DH225NPKV is an Eaton heavy duty fusible safety switch designed for industrial power distribution and motor-control applications. This unit helps prevent arc-flash incidents and unplanned downtime by providing reliable, fuse-protected switching. UL Listed and built with a NEMA 4 enclosure, it also features a NEC 230.62 compliant barrier for safe maintenance in harsh environments. The combination of rugged steel construction and a cartridge fuse configuration supports proactive protection, while its compatibility with standard three-wire, two-pole installations enables rapid deployment in new builds or retrofits. For facilities prioritizing safety, regulatory compliance, and long service life, this switch delivers tangible business value in industrial electrical protection solutions.
Product Information
Extended Description
DH225NPKV Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blade, 400 A, NEMA 4, Cartridge, Three-wire, 240 V, Max Hp: 50, 125, 50 hp (3PH @ Std fuse/time delay/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
DH225NPKV
UPC
786685972961
Product Length/Depth
57 in
Product Height
11 in
Product Width
27 in
Product Weight
123 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
Enclosure
NEMA 4
Enclosure material
Painted steel
Fuse class provision
Cartridge
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, 125, 50 hp (3PH @ Std fuse/time delay/250 Vdc)
NEMA rating
NEMA 4
Voltage rating
240V
Feature → Business Impact → Application: 400 A amperage rating enables protection of heavy feeders and high-current equipment, reducing the risk of costly faults and unplanned downtime in manufacturing lines. This translates to improved reliability for motor control centers and process lines where uptime is critical. Feature → Business Impact → Application: 240 V operation paired with cartridge fuse configuration allows easy integration with standard industrial drives and control circuits, simplifying panel design and field wiring in new builds and retrofit projects. Feature → Business Impact → Application: NEMA 4 painted steel enclosure provides weather and wash-down resistance, extending service life in harsh environments such as food & beverage, chemical processing, and outdoor installations. Feature → Business Impact → Application: Fusible with neutral configuration and two-pole, three-wire wiring streamlines installation while ensuring safe isolation of circuits, improving maintenance efficiency across industrial facilities. Feature → Business Impact → Application: UL Listed status and NEC 230.62 compliant barrier reduce inspection risk and compliance overhead for OEMs, integrators, and plant operators, enabling faster project approvals. Feature → Business Impact → Application: Dimensions and weight (57 in L × 11 in H × 27 in W; 123 lb) support predictable space planning and mounting in existing switchgear footprints, easing retrofits and new installations in compact control rooms.
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FAQs
The DH225NPKV supports a two-pole, three-wire configuration with a cartridge fuse and neutral. It accommodates conductors up to (2) 300 kcmil or (1) 750 kcmil (Cu/Al), allowing flexible feeder wiring and straightforward field connections for high-current installations.
Yes, the DH225NPKV is UL Listed and uses a NEMA 4 enclosure. The painted steel enclosure is designed for moisture and wash-down exposure, making it suitable for demanding industrial environments both indoors and in protected exterior applications.
Yes. The device features a cartridge fuse provision and a neutral connection, aligning with standard cartridge fuses. This configuration supports reliable protection for three-wire, two-pole installations commonly used in heavy-duty industrial circuits.
Ideal for industrial power distribution and motor-control scenarios, the DH225NPKV protects feeders in motor control centers, process lines, and equipment feeds. Its 400 A rating and 240 V operation support high-demand plant routines while ensuring fast, safe isolation during maintenance.
With UL Listing, a robust NEMA 4 enclosure, and a durable steel build, the DH225NPKV reduces inspection and replacement risk while delivering long service life. Cartridge fuse access allows quick maintenance, minimizing downtime and contributing to lower total cost of ownership in continuous operation environments.