Eaton DH365NRKLLV Heavy-Duty Fusible Switch - UL Listed
Part Number: DH365NRKLLV
Quick Summary
The Eaton heavy duty fusible safety switch protects industrial motor circuits with reliable, safe switching in harsh environments. Plant downtime and maintenance headaches are common when high-current safety devices fail or require extensive reconfiguration. UL Listed, NEC 230.62 compliant barrier, and a NEMA 3R enclosure work together to withstand tough conditions and ensure safe operation. This model also leverages a Class H fuse with neutral and robust 400 A, 600 V ratings, complementing its compatibility with large conductor terminations. For businesses, it translates to improved uptime, simplified wiring, and lower total cost of ownership through durable construction and long service life.
Product Information
Extended Description
DH365NRKLLV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blades, line/load labels, 400 A, NEMA 3R, Painted galvanized steel, Class H, Neutral, Three-pole, Four-wire, 600 V, (2)#1/0-(2)300 kcmil; or (1)#1/0-(1)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH365NRKLLV
UPC
786685689999
Product Length/Depth
12.63 in
Product Height
45.19 in
Product Width
23 in
Product Weight
120 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
NEMA rating
NEMA 3R
Voltage rating
600 V
Product Category
Heavy-duty safety switch
Series
K-Series
Feature → Business Impact → Application: The DH365NRKLLV delivers a 400 A rating at 600 V in a three-pole, four-wire configuration with a neutral, enabling safe, high-current motor protection for demanding loads in manufacturing lines and process equipment. This translates to reduced trip events and consistent motor control, supporting uptime and productivity in industrial facilities. Feature → Business Impact → Application: The NEMA 3R enclosure, painted galvanized steel construction, allows outdoor and protected indoor deployment, improving site flexibility and reducing enclosure corrosion concerns in harsh environments. Feature → Business Impact → Application: Enhanced visible blades and clearly labeled line/load points speed commissioning and maintenance, lowering training time and reducing wiring errors in field service and startup phases. Feature → Business Impact → Application: Class H fuse provision provides reliable fault isolation for motors with large inrush, improving safety margins and extending equipment life in heavy-duty applications. Feature → Business Impact → Application: UL Listed certification and NEC 230.62 compliant barrier offer regulatory assurance and simpler procurement, aiding compliance-driven projects in manufacturing plants and utility facilities. Feature → Business Impact → Application: The model supports large conductor terminations—(2)#1/0-(2)300 kcmil Al or (1)#1/0-(1)750 kcmil Al—facilitating robust feeder connections for high-current installations and reducing rework during upgrades in industrial distribution.
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FAQs
DH365NRKLLV is designed for three-phase 600 V systems with a four-wire configuration and neutral. Installers should verify conductor sizing up to the specified terminations, ensure proper enclosure mounting in a NEMA 3R setting, and follow NEC 230.62 barrier guidelines to maintain compliance and safe operation during startup and servicing.
The 400 A rating supports robust motor protection for high-load applications, reducing nuisance trips and extending motor life. The NEMA 3R enclosure enables indoor and covered outdoor installation, protecting the switch from weather and corrosion while maintaining accessibility for maintenance and testing.
Yes. The unit accommodates conductor terminations such as (2)#1/0-(2)300 kcmil Al or (1)#1/0-(1)750 kcmil Al, enabling flexible feeder connections for large current applications. When wiring, ensure appropriate torque values and verify alignment with the fuse configuration and neutral to guarantee reliable fault isolation.
DH365NRKLLV is UL Listed and features NEC 230.62 compliant barriers, with a NEMA 3R enclosure suitable for rugged environments. These certifications support safe operation, regulatory alignment for many industrial sites, and smoother approvals for installation in both indoor and outdoor facilities.
Maintenance benefits come from features like enhanced visible blades, clear line/load labeling, and robust construction with a Class H fuse, reducing troubleshooting time. ROI improves through longer service life, fewer unscheduled outages, and lower total cost of ownership due to durable galvanised steel enclosure and reliable fault isolation.