Eaton DH326FDK-GCL Heavy Duty Fusible Switch - UL Listed
Part Number: DH326FDK-GCL
Quick Summary
The Eaton DH326FDK-GCL heavy duty fusible safety switch provides rugged, reliable protection for mill-duty electrical installations. When space, accessibility, or harsh environments complicate switchgear installs, this unit streamlines mounting, wiring, and maintenance with a robust galvanized steel enclosure. UL Listed and NEC 230.62 (C) compliant barriers, along with a NEMA 12/3R rating, deliver strong safety and long-term reliability in demanding rooms and outdoor enclosures. It is designed for three-pole, three-wire service and accepts substantial conductor sizes, reducing the need for frequent component changes. Additionally, it supports service entrance configurations with Neutral Kit and can be field modified to meet NEMA 3R rainproof requirements when a factory drain hole is opened, improving versatility and uptime.
Product Information
Extended Description
DH326FDK-GCL Eaton: Eaton Heavy duty single-throw fused safety switch, Mill-duty, dust-tight, 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
DH326FDK-GCL
UPC
782114889664
Product Length/Depth
12.75 in
Product Height
63 in
Product Width
23 in
Product Weight
160 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. Can be field modified to meet NEMA 3R rainproof requirements when a factory provided drain hole is opened.
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
Product Category
Heavy Duty, Mill-duty
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH326FDK-GCL
Feature The switch delivers a 600 A amperage rating in a three-pole, three-wire configuration at 240 V providing direct protection for large motor loads. Business Impact This reduces wiring complexity, panel space, and potential fault points, translating to shorter installation times and lower lifecycle costs. Application Ideal for mill-duty equipment such as conveyors, pumps, and air systems where high current handling is essential. Feature The enclosure is NEMA 12 and NEMA 3R rated with painted galvanized steel, delivering dust-tight performance and weather resistance. Business Impact This minimizes maintenance downtime and extends service intervals in dirty or outdoor environments, lowering total cost of ownership. Application Suitable for indoor plant areas and outdoor spaces with variable weather where reliability matters. Feature Fusible without neutral configuration and Class H fuse provisions support safe and selective protection. Business Impact This enables precise coordination, faster fault isolation, and reduced arc energy, improving safety and system uptime. Application Appropriate for service entrances and motor control where quick fuse replacement is advantageous. Feature Large conductor capacity up to #2–600 kcmil Cu/Al and HP ratings up to 200 hp (3PH @Std, TD)) facilitate rugged motor starting and efficient power distribution. Business Impact This reduces terminal crowding, eliminates frequent rewiring, and supports scalable plant growth. Application Common in heavy manufacturing, packaging lines, and processing facilities. Feature Neutral Kit compatibility and field-modification to meet NEMA 3R rainproof requirements (drain hole opened). Business Impact This delivers installation flexibility and environmental protection without requiring custom fabrication. Application Enables service entrances in mixed indoor/outdoor layouts with adaptable weatherproofing.
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FAQs
The DH326FDK-GCL supports service entrance configurations with a Neutral Kit. Begin by verifying NEC 230.62 (C) barrier compliance, remove the knockout as needed, and install the Neutral Kit per Eaton installation instructions. Ensure proper conductor sizing for up to 600 kcmil Cu/Al, tighten lugs to specification, and confirm a secure, dust-tight enclosure before energizing. This setup simplifies future upgrades and maintains safe feeder protection.
This unit is rated for 600 A, with maximum horsepower of 75 and up to 200 hp for three-phase applications under standard and TD conditions. These ratings support large motor loads typical of mill-duty equipment, enabling reliable protection without intermediate gear changes. Always verify motor startup curves and protective coordination to ensure optimal protection.
The enclosure is rated NEMA 12 and NEMA 3R, constructed from painted galvanized steel. This combination provides dust-tight indoor protection and field-modifiable rainproof capability for select outdoor installations. The robust enclosure supports demanding environments while preserving internal integrity and ease of maintenance.
The DH326FDK-GCL is UL Listed and features NEC 230.62 (C) compliant barriers, aligning with key electrical safety and installation standards. These certifications support regulatory compliance for service entrances and heavy-duty industrial applications, reducing risk during audits and inspections.
Take advantage of the 600 A capacity and large conductor terminations (up to #2–600 kcmil Cu/Al) to minimize panel updates. Utilize the Neutral Kit for service entrances and leverage field-modifiable NEMA 3R rainproof options to adapt to changing environments without custom fabrication. The UL Listed rating and strong enclosure durability contribute to longer service intervals and lower lifecycle costs.