Eaton DH365FRKV Heavy-Duty Fusible Safety Switch - UL Listed
Part Number: DH365FRKV
Quick Summary
Eaton DH365FRKV heavy duty fusible safety switch is designed to provide safe power control for 3-phase distribution in industrial facilities. In practice, downtime during maintenance and risk of mis-wiring can threaten productivity; this unit mitigates that with robust construction, enhanced visible blades, and straightforward actuation. It carries UL Listed certification, NEC 230.62(C) compliant barrier, and a NEMA 3R enclosure, ensuring reliable operation in indoor and outdoor environments. The design supports service entrance applications and can be equipped with a Neutral Kit for easier integration; the Class H fuse provision and fusible configuration offer scalable protection and long service life. These features translate to safer operations and lower total cost of ownership through reduced maintenance and faster fault isolation.
Product Information
Extended Description
DH365FRKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blades, 400 A, NEMA 3R, Class H, Three-pole, Three-wire, 600 V, Max Hp: 250, 350 hp (3PH @480/600 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
DH365FRKV
UPC
786685558424
Product Length/Depth
45.5 in
Product Height
10.25 in
Product Width
24.38 in
Product Weight
118 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
Catalog Notes
Suitable for service entrance use with a Neutral Kit installed
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
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 without neutral
Feature 1: 400 A amperage rating with a 3-pole configuration and 600 V capability provides safe interruption for large motor loads and distribution panels. Business Impact: minimizes voltage drop concerns and protects equipment while supporting up to 350 hp motors at 480/600 V. Application: ideal for industrial drive trains and heavy machinery where reliable switching is critical. Long-tail keywords integrated: heavy duty fusible switch, 3-pole 600 V, motor protection. Feature 2: NEMA 3R enclosure in painted galvanized steel offers outdoor resilience and corrosion resistance. Business Impact: reduces enclosure-related maintenance and enables reliable operation in harsh environments. Application: outdoor switchgear assemblies and building service entrances. Feature 3: Enhanced visible blades improve safety during opening, closing, and maintenance cycles. Business Impact: increases operator confidence and reduces mis-operation risk. Application: routine lockout/tagout procedures in production lines. Feature 4: Fuse class provision Class H and fusible without neutral configuration support scalable protection with minimal wiring complexity. Business Impact: simplifies specification, reduces spare parts inventory, and extends switch life. Application: retrofit projects and new installations in demanding facilities. Feature 5: Neutral Kit compatibility for service entrances enables easy neutrals integration without panel redesign. Business Impact: lowers installation time, improves compliance with NEC service entrance requirements. Application: service entrance upgrades and utility-fed equipment. Feature 6: UL Listed, NEC 230.62(C) compliant barrier, and 3R enclosure provide compliance and safety assurances. Business Impact: helps pass regulatory audits and reduces risk of non-compliance penalties. Application: industrial control panels, outdoor installations, and critical process lines.
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FAQs
The DH365FRKV supports service entrance use with an optional Neutral Kit and features a NEMA 3R enclosure for outdoor duty. Ensure adequate mounting clearance, follow proper lockout/tagout procedures, and verify NEC 230.62(C) compliant barrier are in place. Use appropriate wiring gauges for 400 A and 600 V ratings and observe clearances around the visible blades during maintenance.
This switch is UL Listed and includes NEC 230.62(C) compliant barrier functionality, ensuring safe separation between line and neutral components. The barrier design aids regulatory compliance, minimizes fault paths, and supports safer service entrances. Always install per manufacturer instructions and local electrical codes to maintain compliance.
Yes. The DH365FRKV is rated for 400 A and supports up to 350 hp on 3PH systems at 480/600 V, with a 600 V maximum. This makes it suitable for controlling large motor loads in manufacturing, pumping, and process applications while maintaining rapid fault isolation and safe switching.
The switch uses a Class H fuse provision and is fusible without neutral, simplifying protection scheme design. It comes in a NEMA 3R enclosure with painted galvanized steel, suitable for indoor or outdoor installations. The three-pole configuration and three-wire layout support standard industrial wiring practices and straightforward replacement of fuses when needed.
Eaton provides a one-year warranty from the date of installation or eighteen months from shipment, whichever occurs first, per policy 25-000. In addition to the warranty, customers benefit from UL certification, NEC compliance, and access to Eaton’s technical support for installation, troubleshooting, and replacement parts, helping optimize uptime and total cost of ownership.