Eaton DH328FRK Fusible Safety Switch - NEMA 3R UL Listed
Part Number: DH328FRK
Quick Summary
Eaton DH328FRK fusible safety switch protects heavy electrical systems for industrial service entrances. In busy facilities, downtime and maintenance complexity can erode productivity, so a rugged, easy-to-wire protection device matters. UL Listed and a NEMA 3R enclosure provide weather and moisture resilience, while Class L fuse provisions ensure precise coordination without neutral. With Neutral Kit compatibility for service entrances and a three-pole, three-wire configuration, this Eaton switch supports reliable, scalable protection in commercial and industrial power distributions.
Product Information
Extended Description
DH328FRK Eaton: Eaton Enhanced visible blade single-throw safety switch, 1200 A, NEMA 3R, Painted galvanized steel, Class L, Fusible without neutral, Three-pole, Three-wire, 240 V, (4)#1/0-(4)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH328FRK
UPC
782114312988
Product Length/Depth
72 in
Product Height
21 in
Product Width
48 in
Product Weight
455 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 L
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
1200A
NEMA rating
NEMA 3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature: 1200A amperage rating with a three-pole, 240V configuration. Business Impact: Enables reliable protection for high-demand loads and large motors, reducing the need for multiple smaller devices and improving system uptime. Application: Suitable for heavy-duty power distribution in manufacturing and processing facilities. Feature: NEMA 3R enclosure with painted galvanized steel. Business Impact: Provides robust outdoor and indoor protection against environmental exposure, lowering maintenance costs and extending asset life. Application: Ideal for service entrances and exposed installations in harsh environments. Feature: Fusible without neutral and Class L fuse provision. Business Impact: Delivers precise fuse coordination and selective protection, improving safety and reducing nuisance outages. Application: Critical load circuits where neutral is not required. Feature: Neutral Kit compatibility for service entrance use. Business Impact: Enables compliant configurations without rework, saving installation time and ensuring code alignment. Application: Enables practical service entrance setups in new builds or upgrades. Feature: Conductor and wiring practicality with large aluminum options. Business Impact: Supports large-diameter conductors (up to substantial Al sizes) for simplified interconnections and reduced terminations. Application: High-current distributions with aluminum feeders in industrial plants. Overall, the DH328FRK integrates with Eaton’s Electrical Protection & Circuit Control family to deliver scalable protection, predictable maintenance, and operational cost savings in demanding facilities.
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FAQs
Plan for a three-pole, three-wire installation in a 240V system with a 72 in depth, 48 in width, and 21 in height footprint. The unit weighs 455 lb and uses a NEMA 3R enclosure, so ensure mounting surface, clearance for wiring, and outdoor/indoor placement suitability. Verify electrical clearances per local codes and Eaton recommendations to support safe, compliant service entrances.
Yes. The catalog notes indicate suitability for service entrance use with a Neutral Kit installed, enabling compliant configurations where neutral connections are required. Ensure the Neutral Kit is procured and installed per Eaton’s guidelines to maintain UL compliance and proper fault isolation for large, high-current feeds.
The DH328FRK is rated for 1200A at 240V and is UL Listed, with a NEMA 3R enclosure for versatile indoor/outdoor applications. The fuse configuration is Fusible without neutral with Class L fuse provisions, which supports selective coordination and reliable protection for critical loads in industrial power distribution.
The product is configured for three-pole, three-wire operation and supports large aluminum conductors, with a port configuration described as (4)#1/0–(4)750 kcmil Al. For exact terminal sizes and porting, consult the Eaton installation literature to confirm per-phase conductor suitability and torque specifications.
Eaton provides a one-year warranty from installation or eighteen months from shipment, whichever comes first, under policy 25-000. Routine maintenance focuses on enclosure integrity, fuse replacement, and ensuring Neutral Kit configurations remain compliant. Regular inspections and proper torque checks on terminations help sustain protection performance and minimize downtime.