Eaton DH367NPKW Heavy Duty Safety Switch - UL Listed NEMA 4
Part Number: DH367NPKW
Quick Summary
Eaton heavy duty fusible safety switch protects primary feeders in industrial control panels and equipment rooms. Users often struggle with maintaining UL safety compliance while minimizing downtime during maintenance. UL Listed certification ensures safety compliance, and the NEMA 4 enclosure provides reliable protection against dust, water, and harsh washdown conditions; the Class L fuse provision supports precise overcurrent protection. These rugged attributes translate to improved uptime, simpler installation, and longer service intervals, reinforcing compliance and operability across industrial facilities. The DH367NPKW integrates seamlessly with 3P4W power systems, making it a credible choice for manufacturers seeking robust protection with a clear return on investment.
Product Information
Extended Description
DH367NPKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blades, 800 A, NEMA 4, Painted steel, Class L, 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
DH367NPKW
UPC
782114357620
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
Use outside poles for 2-pole applications.
Enclosure
NEMA 4
Enclosure material
Painted 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 4
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH367NPKW
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 800 A amperage rating and 600 V maximum, with 500 hp max for three-phase circuits. Business Impact: Supports large motors and feeders within a single device, reducing the need for multiple switches and simplifying maintenance. Application: Ideal for presses, conveyors, and compressors in manufacturing and packaging lines. Feature: Three-pole, four-wire, fusible with neutral; Class L fuse provision. Business Impact: Provides robust overcurrent protection while integrating neutral for balanced load management, improving panel safety and simplifying wiring. Application: Primary distribution in control panels and motor control centers. Feature: NEMA 4 enclosure with painted steel construction. Business Impact: Delivers weather and washdown resistance, lowering corrosion risk and enabling outdoor and damp environments without compromising safety. Application: Outdoor substations, washdown areas, and exposed industrial installations. Feature: Enhanced visible blades. Business Impact: Enables quick status checks during inspections, reducing downtime and enhancing operator confidence. Application: Routine maintenance and safety verification in busy production floors. Feature: Use outside poles for 2-pole applications (catalog note). Business Impact: Adds retrofit flexibility and space-saving options in existing panels. Application: Upgrading legacy systems where two-pole configurations are needed. Feature: UL Listed certification. Business Impact: Ensures regulatory compliance and safer procurement, supporting audit readiness. Application: Any regulated industrial facility seeking dependable protection.
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FAQs
The DH367NPKW is ideal for industrial power distribution in manufacturing environments, machine control panels, and outdoor equipment stations. It supports three-phase, four-wire systems up to 800 A and 600 V, delivering reliable isolation and overcurrent protection for heavy-duty motor loads up to 500 hp, helping reduce unplanned downtime and streamline panel design.
Yes. The catalog notes specify that outside poles can be used for 2-pole applications, enabling flexible retrofits in space-constrained panels and allowing cost-effective upgrades without replacing the entire switch. Proper wiring and bus connections should be followed per installation guidelines to maintain safety and performance.
Key ratings include an 800 A amperage rating, 600 V voltage rating, and a maximum of 500 hp for 3-phase 480/600 V systems. It features a three-pole, four-wire configuration with a neutral, fusible with neutral, and Class L fuse provision, all housed in a NEMA 4 enclosure for rugged environments.
The DH367NPKW uses a painted steel enclosure rated NEMA 4, providing dust and water ingress protection suitable for indoor or exposed outdoor installations. It is UL Listed for safety compliance, with a rugged build designed to withstand washdowns and harsh industrial conditions while maintaining electrical integrity.
Eaton offers Selling Policy 25-000, providing a one-year warranty from installation or eighteen months from shipment, whichever occurs first. This policy covers product performance and replacement under normal use. For service and support, contact Eaton or the authorized distributor to arrange inspection, replacement parts, or technical guidance.