Eaton DH326FDKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH326FDKV
Quick Summary
Eaton DH326FDKV is a heavy-duty fusible safety switch designed for industrial control panels and large power distribution enclosures. Operators and maintenance teams struggle with downtime and safety risks when switching large motor loads without robust protection. UL Listed, NEC 230.62 (C) compliant barrier, and a NEMA 12/3R enclosure help meet code, protect personnel, and withstand harsh environments. Beyond safety, this switch delivers reliability, scalable horsepower, and straightforward installation that streamline procurement and reduce total cost of ownership. With a 600 A rating and a three-pole configuration, it fits large facility feeders while maintaining a compact footprint within control panels. Designed for demanding environments.
Product Information
Extended Description
DH326FDKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 600 A, NEMA 12/3R, Painted galvanized steel, Three-pole, Three-wire, 240 V, Max Hp: 75, 200 hp (3PH @Std, TD)), (1)#2-(1)600 kcmil and (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH326FDKV
UPC
786685972749
Product Length/Depth
64.5 in
Product Height
13 in
Product Width
26 in
Product Weight
160 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
Enclosure
NEMA 12, 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
600A
HP rating - max
75, 200 hp (3PH @Std, TD))
NEMA rating
NEMA 12/3R
Voltage rating
240V
High current capability translates directly to improved uptime: the DH326FDKV is rated for 600 A and supports heavy motor starts while delivering a robust 75 to 200 hp capacity for three-phase loads. This performance reduces nuisance tripping and motor stress, improving overall line efficiency in MCCs and distribution panels. The NEMA 12/3R enclosure with painted galvanized steel offers superior protection in dusty, humid, or outdoor-adjacent environments, meaning lower maintenance costs and longer service life. Fuse class provision is Class H and the configuration is fusible without neutral, simplifying replacement and component stocking while preserving system integrity in critical processes. The enhanced visible blade design improves operator safety during maintenance and rapid disconnections, which translates to faster changeouts and minimized downtime for critical equipment. Terminal capacity accommodates large feeders and Cu/Al conductors, enabling flexible field wiring and faster project completion.
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FAQs
The DH326FDKV is a three-pole, three-wire switch designed for standard industrial panels with NEMA 12 and NEMA 3R enclosures. Its 64.5 in length, 26 in width, and 13 in height define a substantial but manageable footprint, and 160 lb weight necessitates proper mounting and clearance. Plan for bolted mounting, accessible wiring space, and adequate means for safe lockout/tagout during maintenance.
This switch offers a 600 A amperage rating and supports motor loads up to 200 hp for three-phase service under standard conditions. The dual HP ratings (75 and 200 hp) provide flexibility for varying motor sizes within a single installation, reducing the need for multiple switches and simplifying line-side protection for feeders and MCCs.
Ideal applications include large motor feeders, machine control centers, HVAC and process equipment, and other heavy electrical distributions in manufacturing, cement, chemical, and metals processing. Its rugged enclosure, high current rating, and barrier-compliant design make it suitable for demanding environments where safety and uptime are critical.
The DH326FDKV is UL Listed and complies with NEC 230.62 (C) barrier requirements. It uses a NEMA 12/3R enclosure and features a heavy-duty HDSS catalog designation. Fuse provision is Class H with fusible configuration without neutral, aligning with common code and safety standards for industrial protection switches.
With a galvanized steel enclosure and a robust, three-pole design, the switch resists corrosion and wear in harsh environments, reducing maintenance frequency. Large terminal capacity simplifies wiring and future upgrades, while the UL Listed certification ensures long-term code compliance. Overall, these features contribute to lower total cost of ownership through reduced downtime and easier spares management.