Eaton DH367NWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH367NWK
Quick Summary
The Eaton DH367NWK Heavy Duty Fusible Safety Switch is a high-capacity protective device for industrial power distribution. Operators often face downtime and safety/compliance challenges when equipment is switched with undersized or poorly protected gear. UL Listed certification, a NEMA 4X stainless enclosure, and Class L fuse provisions help ensure code compliance and corrosion resistance in washdown environments. The combination of rugged construction and flexible wiring options delivers reliable motor control, while straightforward installation reduces project risk and long-term maintenance costs.
Product Information
Extended Description
DH367NWK Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, 800 A, NEMA 4X, Stainless steel, Class L, Fusible with neutral, Three-pole, Four-wire, 600 V, Max Hp: 500, 500 hp (3PH @480/600 V), (4)#1/0-(4)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH367NWK
UPC
786685234946
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
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
500, 500 hp (3PH @480/600 V)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH367NWK
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 800 A amperage rating enables direct switching of large motor loads, reducing the need for protective interlocks and enabling safer startup. Business Impact: Fewer protective layers and simplified panel design translate to faster commissioning and lower wiring complexity. Application: Ideal for large drives on conveyors, pumps, and presses in heavy manufacturing environments. Feature: NEMA 4X stainless steel enclosure provides superior corrosion resistance. Business Impact: Expanded service life in washdown and harsh environments lowers maintenance cycles and replacement costs. Application: Food & beverage, water treatment, and chemical processing facilities benefit from enhanced enclosure durability. Feature: Class L fuse provision and fusible with neutral configuration improves fault isolation and power distribution accuracy. Business Impact: Safer fault current interruption and better coordination with upstream protection reduce unplanned outages. Application: Heavy-duty motor control where reliable protection is critical. Feature: Three-pole, four-wire arrangement supports complete, balanced power switching for 3-phase systems. Business Impact: Simplified wiring topology and consistent performance across large motors; reduces installation errors. Application: Industrial drives, pumps, and large fans across manufacturing lines. Feature: Conductor compatibility supports (4) 750 kcmil Cu/Al conductors across a broad range of wiring schemes. Business Impact: Flexible field wiring and easier upgrades without changing switchgear. Application: Power distribution cabinets and motor control centers requiring high-current connections. Feature: UL Listed status and documented warranty provide regulatory confidence and predictable service life. Business Impact: Compliance assurance and reduced risk during audits; a clear value proposition for procurement. Application: Corporate plants with formal supplier qualification processes.
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FAQs
Yes. The DH367NWK is designed as a three-pole, four-wire fusible safety switch with fusible protection and neutral, making it suitable for 3-phase power distribution. This configuration supports balanced loading, proper fault isolation, and straightforward connection to large motor drives while maintaining compliance with standard industrial wiring practices.
Key specifications include an 800 A amperage rating, 600 V voltage rating, and a maximum 500 hp for 3-phase operation at 480/600 V. It features NEMA 4X stainless steel enclosure, UL Listing, and Class L fuse provision with neutral. These specs enable safe control of high-load motors in demanding environments.
The NEMA 4X stainless enclosure and corrosion-resistant design make it ideal for washdown and harsh environments such as food and beverage, water treatment, chemical processing, and other industrial facilities where protection from moisture, dust, and corrosion is critical.
This model is UL Listed and features a NEMA 4X enclosure. The Class L fuse provision adds to its protection capabilities, ensuring safe operation and compliance with common electrical codes in heavy-duty installations.
By delivering robust protection for high-current motors, reducing downtime from protection-related faults, and offering a durable stainless enclosure, the DH367NWK lowers maintenance frequency and replacement costs. Its warranty and reputable brand support further enhance total cost of ownership in long-running, critical applications.