Eaton DH326FRK Heavy Duty Fusible Safety Switch - NEMA 3R
Part Number: DH326FRK
Quick Summary
The Eaton DH326FRK heavy duty fusible safety switch isolates large service panels in industrial environments. Engineers often confront the challenge of safely isolating high-current circuits while meeting code and weather exposure requirements. This unit combines UL Listed safety with a NEMA 3R enclosure for reliable outdoor performance, plus Class H fuse protection for dependable short-circuit isolation. Designed for service entrances and control panels, it supports efficient installation and strong protection in demanding facilities, helping you reduce downtime and improve distribution reliability with industrial-grade power control hardware.
Product Information
Extended Description
DH326FRK Eaton: Eaton Enhanced visible blade single-throw safety switch, 600 A, NEMA 3R, Painted galvanized steel, Class H, 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 Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH326FRK
UPC
782113207407
Product Length/Depth
58 in
Product Height
12 in
Product Width
27.5 in
Product Weight
152 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.
Certifications
UL Listed
Catalog Notes
Suitable for service entrance use with a Neutral Kit installed
Enclosure
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 3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature: 600A amperage rating provides robust capacity for large feeders and motor loads. Business Impact: Minimizes upstream panel changes and reduces the need for multiple disconnects, lowering total installed cost. Application: Main service disconnects in industrial facilities and heavy machinery lines. Feature: Three-pole, three-wire configuration with fusible without neutral simplifies integration into standard three-phase power systems. Business Impact: Streamlines wiring while maintaining safe, code-compliant isolation. Application: Industrial switchgear and motor-control centers. Feature: NEMA 3R enclosure with painted galvanized steel offers weather resistance. Business Impact: Protects against rain, dust, and corrosion, extending service life and reducing maintenance. Application: Outdoor switch installations and service entrances. Feature: Class H fuse provision supports high-performance protection. Business Impact: Improves fault clearing and arc-suppression performance for critical loads. Application: Heavy-duty power distributions in packaging, metals, and process industries. Feature: Neutral-kit compatibility for service-entrance use. Business Impact: Enables proper grounding and neutral management without rewiring. Application: Retrofit projects and new builds requiring service-entry compliance. Feature: UL Listed certification and documented warranty provide assurance and ongoing support. Business Impact: Meets regulatory requirements and reduces risk with proven vendor support. Application: Compliance-driven installations across manufacturing, utilities, and facilities management.
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FAQs
Install in a compliant enclosure rated for outdoor use (NEMA 3R) with three-pole, three-wire connections. If serving as a service entrance, install a Neutral Kit as needed and verify UL Listed conformity. Ensure correct fusing (Class H) and adherence to manufacturer mounting guidelines for a secure, code-compliant installation.
Rated for 600A with a 240V supply. It is a three-pole, three-wire configuration, designed for fusible use without a neutral, and supports up to 75 HP (75, 200 HP for three-phase standards) with robust protection in heavy-duty applications.
Yes. The NEMA 3R enclosure and UL Listed certification make it well-suited for service entrances and outdoor industrial panels, especially when a Neutral Kit is installed to meet specific wiring requirements and code wishes.
The DH326FRK carries UL Listed status and a NEMA 3R enclosure rating, along with Class H fuse protection. These attributes ensure safety, weather resistance, and reliable short-circuit protection in critical environments.
With a robust 600A rating and weather-resistant NEMA 3R enclosure, maintenance intervals are extended and downtime is reduced. Its reliability and UL-listed certification support regulatory compliance, while easier service entrance integration lowers total cost of ownership in industrial facilities.