Eaton DH326NRKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH326NRKV
Quick Summary
The Eaton DH326NRKV heavy duty fusible safety switch isolates power for large 3‑phase motor circuits. It helps maintenance teams avoid unplanned downtime by delivering clear, lockout-ready operation and rugged reliability. This unit features a NEMA 3R enclosure and NEC 230.62 compliant barrier, plus UL Listed certification for safety-critical installations. By combining a neutral-included fuse configuration and robust painted galvanized steel housing, it supports long service life in demanding environments. The solution also aligns with HDSS standards and supports large conductor sizes, making it a practical choice for industrial facilities seeking safer, easier disconnects and faster remediation of faults, while enabling common spare parts compatibility and straightforward installation.
Product Information
Extended Description
DH326NRKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 600 A, NEMA 3R, Painted galvanized steel, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 75, 200 hp (3PH @Std, TD)), (1)#2-(1)600 kcmil and (1)#1/0-(1)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH326NRKV
UPC
786685972886
Product Length/Depth
58 in
Product Height
12 in
Product Width
27.5 in
Product Weight
150 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
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
600A
HP rating - max
75, 200 hp (3PH @Std, TD))
NEMA rating
NEMA 3R
Voltage rating
240V
Feature 600A amperage rating with fusible switch configuration including neutral → Business Impact Safe, controlled shutdown for large feeders reduces fault propagation and protects downstream equipment → Application Suitable for high‑demand 3PH motor drives in manufacturing and processing plants. Feature NEMA 3R painted galvanized steel enclosure → Business Impact Outdoor/indoor protection against weather and corrosion extends service life and lowers maintenance costs → Application Ideal for exposed plant floors, outdoor enclosures, and moisture-prone environments. Feature Enhanced visible blade and isolation clarity → Business Impact Improves operator awareness, reduces misoperation, and speeds maintenance workflows → Application Enhances lockout/tagout safety during servicing and reduces downtime risk. Feature Three-pole four-wire configuration with neutral → Business Impact Provides proper grounding and neutral connection for complex feeder circuits, enabling safer power distribution → Application Supports large multi‑wire systems in heavy industry. Feature Large conductor capability (Cu up to 600 kcmil; Al up to 750 kcmil) → Business Impact Simplifies wiring strategy, lowers installation time, and supports future capacity growth → Application Facilitates high‑ampacity feeders for heavy machinery. Feature UL Listed and NEC 230.62 barrier compliance → Business Impact Ensures code‑compliant installations, reduces audit findings, and streamlines approvals → Application Suitable for regulated facilities and utility interconnections.
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FAQs
The DH326NRKV is a three-pole, four-wire disconnect with a neutral, designed for large feeders. It accommodates Cu up to 600 kcmil and Al up to 750 kcmil conductors, simplifying wiring for high‑current installations. Ensure proper hoisting, secure mounting per enclosure footprint, and use the lockout‑tagout procedure during wiring and commissioning.
This switch provides a 600A amperage rating, 240V operating voltage, and a maximum HP range of 75 HP standard with up to 200 HP for specific 3PH applications. It uses Class H fuse provisions and a fusible with neutral configuration, delivering reliable protection for high‑horsepower motors and feeders.
Yes. The unit features a NEMA 3R enclosure with painted galvanized steel construction, offering weather resistance for outdoor installations and dusty or humid indoor areas. The rugged enclosure, combined with UL Listed safety standards, supports durable operation in demanding industrial settings.
The DH326NRKV is UL Listed and designed with NEC 230.62 compliant barrier protection, which helps ensure safe clearances and reduced arc flash risk. Its compliance supports regulatory approvals and safe integration into standard industrial electrical installations.
Key advantages include an enhanced visible blade for immediate status recognition, simplified lockout/tagout, and robust mechanical construction that reduces maintenance cycles. With large conductor capacity and a durable enclosure, the switch lowers replacement frequency and downtime while improving overall system reliability and return on investment.