Eaton DH365FPKV Heavy duty fusible safety switch - UL Listed
Part Number: DH365FPKV
Quick Summary
Eaton DH365FPKV heavy duty fusible safety switch provides safe, controlled isolation for industrial systems in demanding environments. Maintenance teams often struggle with costly downtime from nuisance trips and unreliable shutdowns; this unit is built to withstand harsh conditions while delivering rapid, safe circuit isolation. UL Listed certification, NEC 230.62 (C) compliant barrier, and a NEMA 4 enclosure ensure robust protection and regulatory alignment. Designed for 600 V circuits with a three-pole configuration, it integrates smoothly with existing protection schemes, helping facilities reduce risk, streamline procurement, and minimize total cost of ownership.
Product Information
Extended Description
DH365FPKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blades, 400 A, NEMA 4, Painted steel, Class H, Fusible without neutral, Three-pole, Three-wire, 600 V, (2)#1/0-(2)300 kcmil; or (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH365FPKV
UPC
786685973661
Product Length/Depth
14.3 in
Product Height
63 in
Product Width
25 in
Product Weight
123 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
Enclosure
NEMA 4
Enclosure material
Painted 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
NEMA rating
NEMA 4
Voltage rating
600 V
The 400 A amperage rating paired with a three-pole, three-wire configuration delivers reliable, high-capacity isolation for critical lines, enabling faster maintenance windows and reducing arc-flash exposure. With Class H fuse provision and a fusible without neutral design, the switch supports modular protection strategies while simplifying upgrade paths in aging systems. The NEMA 4 painted steel enclosure provides dependable weather and dust resistance, enabling both indoor and select outdoor installations without compromising accessibility or safety. Enhanced visible blades improve manual operation visibility, contributing to safer field servicing and quicker fault diagnosis, which translates to lower labor costs and less downtime during commissioning. NEC 230.62 (C) compliant barriers reinforce compliance in demanding facilities, while the HDSS catalog notes confirm compatibility with Eaton’s safety-switch ecosystem for streamlined maintenance and spares planning. Overall, this unit offers robust protection, straightforward installation, and measurable reliability gains for large-scale power distribution and manufacturing lines.
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FAQs
Consider mounting considerations for a three-pole, 400 A unit within a compatible enclosure, ensuring adequate service clearance per NFPA and local code. Use the NEMA 4 rated steel enclosure to withstand dust and splash, verify 14.3 in depth, 63 in height, and 25 in width fitment, and plan for conduit entry and electrical clearances during panel integration.
The DH365FPKV is rated for 600 V and configured as three-pole with three wires, using fusible protection (Class H). This supports robust fault isolation while maintaining safe shutdown pathways, reducing arc-flash exposure during maintenance and enabling compatible coordination with upstream protective devices.
Yes, the unit features a NEMA 4 enclosure with painted steel construction, designed to resist water and dust ingress in adverse conditions. While not specified for every outdoor site, it provides dependable protection for many industrial and harsh indoor settings when proper installation clearances and weather considerations are observed.
The DH365FPKV carries UL Listed certification and NEC 230.62 (C) compliant barriers, which support electrical safety and code compliance in industrial facilities. The NEMA 4 enclosure further reinforces suitability for environments with moisture and dust, helping meet site-specific regulatory requirements without compromising performance.
Expect reduced downtime due to robust construction, reliable 400 A protection, and simplified maintenance through enhanced visible blades and HDSS compatibility. The unit’s durable enclosure and fuse configuration minimize nuisance trips, lowering spare parts and labor costs while improving system uptime and overall return on investment in manufacturing or critical process environments.