Eaton DH365NRK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH365NRK
Quick Summary
Eaton DH365NRK heavy duty fusible safety switch provides robust 400 A feeder protection at 600 V. In harsh industrial settings, safe isolation and reliable motor protection can be a persistent challenge, especially for high-load feeders. This unit is UL Listed and housed in a NEMA 3R enclosure with NEC 230.62 barrier compliance, designed for outdoor or harsh environments. Its neutral-fuse configuration and Class H fuses simplify protection coordination with downstream equipment, reducing wiring complexity. For panel builders and maintenance teams, the rugged construction and straightforward installation translate to lower downtime and predictable lifecycle costs, supporting safer, compliant operations.
Product Information
Extended Description
DH365NRK Eaton: Eaton 400A/3P HD Fusible Safety Switch 600V w/Neut Nema 3R**
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH365NRK
UPC
782113207261
Product Length/Depth
44.76 in
Product Height
12.39 in
Product Width
24.12 in
Product Weight
151 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.
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Enclosure
NEMA 3R
Enclosure material
Painted galvanized 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
250, 350 hp (3PH @480/600 V)
NEMA rating
NEMA 3R
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
Feature: 400 A, 3P design with fusible protection and neutral support; Business Impact: enables fast, safe isolation of large motor circuits while coordinating protection downstream; Application: motor feeders in conveyors, pumps, and fans in demanding facilities. Feature: NEMA 3R, painted galvanized steel enclosure; Business Impact: outdoor-ready protection against weather and contaminants; Application: outdoor substations and unmanned facilities. Feature: Fuse class provision with Class H fuses; Business Impact: precise protection coordination and reduced fault energy; Application: heavy-duty industrial drives. Feature: Four-wire configuration with neutral; Business Impact: simplifies wiring, improves safety, and supports unified control schemes; Application: integration with MCCs and panel boards. Feature: UL Listed and NEC barrier compliant; Business Impact: streamlines compliance, installation approval, and maintenance planning; Application: regulated facilities seeking proven protection and documented performance. Warranty: 25-000 policy with one year from installation or eighteen months from shipment, whichever occurs first; Business Impact: predictable coverage and support for maintenance planning.
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FAQs
The DH365NRK uses a three-pole design with four wires and a neutral, enabling straightforward wiring into a 600 V feeder. It features a NEMA 3R painted galvanized steel enclosure for outdoor use and requires mounting consistent with its size (approximately 44.76 in L x 24.12 in W x 12.39 in H) and its 151 lb weight. Ensure clearance for maintenance and access to the fuse compartment and neutral connection.
With a 400 A amperage rating and Class H fuses, the DH365NRK provides robust, fault-linite protection for large motors at 480/600 V. The neutral feature helps coordinate with downstream devices, while the UL Listed status confirms compliance. This reduces nuisance trips and improves start-up reliability for conveyors, pumps, and fans in industrial settings.
Yes. The enclosure is NEMA 3R rated and constructed from painted galvanized steel, designed to withstand weather exposure and corrosive environments. This makes it ideal for outdoor substations, outdoor panel boards, and unprotected industrial locations where dependable protection is essential.
The DH365NRK is UL Listed and NEC 230.62 barrier compliant, with a NEMA 3R enclosure. These certifications verify safe electrical performance, barrier protection for personnel, and compliance with electrical codes, which simplifies regulatory approvals and insurance considerations for industrial installations.
The DH365NRK reduces downtime through reliable isolation and high-current protection, supports longer motor life, and simplifies maintenance with a straightforward neutrally fused design. Its rugged enclosure and one-year (or 18-month from shipment) warranty offer predictable support costs, improving total cost of ownership in facilities with frequent motor starts and stops.