Eaton DH327NWKW Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH327NWKW
Quick Summary
Eaton DH327NWKW heavy duty fusible safety switch provides robust isolation for industrial control panels and motor circuits. When downtime and corrosion threaten uptime, a durable, corrosion-resistant enclosure matters. UL Listed for safety and with a NEMA 4X stainless steel enclosure, it stands up to washdowns and harsh environments, while the Class L fuse provision adds reliable protection. Its three-pole, four-wire configuration supports neutral integration, and the 800 A rating with 240 V operation aligns with high-demand applications. By combining rugged construction with easy installation, this model reduces maintenance frequency and extends service life, delivering tangible value for OEMs and end users alike. Integrates with heavy-duty protection strategies and helps meet industrial compliance requirements.
Product Information
Extended Description
DH327NWKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, enhanced visible blade, 800 A, NEMA 4X, Class L, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 100, 250 hp (3PH @Std, TD)), (4)#1/0-(4)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH327NWKW
UPC
782114140901
Product Length/Depth
14.25 in
Product Height
71.75 in
Product Width
25.38 in
Product Weight
213 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 4X
Enclosure material
Stainless steel
Fuse class provision
Class L
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
800A
HP rating - max
100, 250 hp (3PH @Std, TD))
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature: NEMA 4X stainless steel enclosure provides corrosion resistance and washdown compatibility. Business Impact: reduces maintenance costs and extends service life in harsh environments. Application: outdoor equipment, chemical plants, and production lines where exposure to moisture and contaminants is common. Feature: 800 A amperage rating at 240 V with support for up to 100–250 HP (3PH @Std, TD). Business Impact: enables reliable interruption of high-power motor circuits, lowers arc-flash risk, and supports scalable plant loads. Application: large conveyors, pumps, and fans in industrial facilities. Feature: Three-pole, four-wire with neutral configuration. Business Impact: simplifies wiring, facilitates safe neutral referencing, and streamlines control-system integration. Application: typical motor control centers and distribution to multi-wire loads. Feature: Class L fuse provision with fusible neutral configuration. Business Impact: delivers matched, predictable protection for heavy-duty circuits, reducing nuisance trips and equipment damage. Application: motor starting and high-inrush loads in demanding environments. Feature: UL Listed certification and enhanced visible blade design. Business Impact: supports regulatory compliance and provides quick status recognition during maintenance. Application: inspection routines and safety audits across manufacturing and processing facilities. Feature: Stainless enclosure and overall rugged construction. Business Impact: improves reliability and reduces downtime in corrosive or washdown-intensive environments. Application: food & beverage, chemical processing, and outdoor installations.
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FAQs
The DH327NWKW is a three-pole, four-wire safety switch with a neutral, designed for standard 240 V systems. It supports neutral wiring and should be mounted per manufacturer recommendations; for 2-pole configurations, use the outside poles of the 3-pole switch as noted in Eaton catalog notes.
This unit provides an 800 A rating at 240 V and supports up to 100 HP (standard) or up to 250 HP (TD option) for three-phase motors. These ratings make it suitable for high‑power motor circuits and robust load switching in demanding process environments.
Yes. It features a NEMA 4X stainless steel enclosure designed for corrosion resistance and washdown conditions, paired with UL Listed safety certification to meet demanding industrial environments.
The unit is UL Listed and features a Class L fuse provision with a neutral configuration, reinforcing safety and protection standards. The NEMA 4X enclosure further assures reliability in corrosive or wet environments, supporting regulatory compliance and safer operation.
Warranty is Eaton’s standard policy: one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports maintenance planning and reduces lifecycle risk, with access to Eaton service and documentation for routine inspections.