Eaton DH328NDKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH328NDKV
Quick Summary
Eaton heavy duty fusible safety switch is designed to provide reliable isolation for high current circuits in industrial control panels and motor feeders. For engineers facing uptime pressures, this HDSS addresses the challenge of safe, rapid disconnection during maintenance or faults. With UL Listed certification and a rugged NEMA 12, 3R enclosure, this unit is built to perform in harsh environments while maintaining personnel safety. The Class L fuse provision supports selective protection and coordination, enhancing fault management. By combining robust construction with straightforward wiring, it fits seamlessly into existing protection and circuit control strategies, delivering predictable performance and reduced lifecycle costs for industrial facilities.
Product Information
Extended Description
DH328NDKV Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blade, 1200 A, NEMA 12/3R, Painted galvanized steel, Class L, Fusible with neutral, Three-pole, Four-wire, 240 V, (4)#1/0-(4)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH328NDKV
UPC
786685973142
Product Length/Depth
72 in
Product Height
21 in
Product Width
48 in
Product Weight
465 lb
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class L
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
1200A
NEMA rating
NEMA 12/3R
Voltage rating
240V
Feature → Business Impact → Application: Amperage rating of 1200A in a three-pole, four-wire configuration enables safe isolation of large motor feeders and main distribution lines, reducing arc flash exposure and improving maintenance efficiency in high-current applications. This translates to shorter downtime and more reliable plant operation in manufacturing and processing environments. Feature → Business Impact → Application: NEMA 12 and NEMA 3R enclosure options, along with painted galvanized steel construction, provide dust resistance and weather-protected performance for indoor and outdoor switchgear installations, minimizing corrosion risk and extending service life in demanding facilities. Feature → Business Impact → Application: Class L fuse provision and fusible with neutral configuration deliver precise protection coordination for complex circuits, helping plants meet electrical codes and reduce nuisance fuse failures that disrupt production. Feature → Business Impact → Application: Conductor compatibility for up to four conductors including up to four 750 kcmil aluminum or equivalent sizes enables flexible wiring layouts, simplifying field install and future expansion in large-plant feeds. Feature → Business Impact → Application: Heavy duty HDSS design and UL Listed certification provide confidence in reliability and compliance, lowering risk during audits and enabling faster procurement cycles for industrial protection systems. Feature → Business Impact → Application: Large footprint (72 in long, 21 in high, 48 in wide) with 465 lb weight offers stable, rugged mounting for high-vibration environments, reducing movement-related wear and the need for frequent re-tightening in plants with heavy electrical infrastructure.
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FAQs
DH328NDKV is designed for three-pole, four-wire configurations with a neutral, compatible with standard HDSS frames and common switchgear footprints. It supports straightforward wiring and mounting, helping minimize integration time and rework while maintaining safe isolation in conveyor, pump, or press lines.
This unit is rated for four wires and accepts up to four aluminum conductors ranging from #1/0 up to 750 kcmil aluminum per phase. This flexibility supports high current feeds and future expansion without needing a new switch.
The DH328NDKV employs a NEMA 12, NEMA 3R enclosure with painted galvanized steel. NEMA 12 is ideal for dusty indoor environments, while NEMA 3R offers weather protection for outdoor or semi-exposed locations, enabling reliable operation across a range of industrial settings.
The assembly is UL Listed, aligning with widely adopted safety and performance standards for industrial protection devices. The catalog notes HDSS designation, reinforcing its use in heavy duty safety switching applications, along with compatibility with Class L fuse configurations.
The rugged construction and UL Listed certification help reduce downtime and simplify compliance during audits. Its stable footprint and high current rating minimize rework and spare part needs, providing predictable performance and lower total cost of ownership in high-demand manufacturing or processing environments.