Eaton DH226FRK Heavy Duty Fusible Safety Switch - NEMA 3R
Part Number: DH226FRK
Quick Summary
Eaton DH226FRK heavy duty fusible safety switch provides reliable motor control and overcurrent protection for industrial power distribution. Too often installers face downtime and unsafe service entrances when a switch fails or isn’t compatible with existing lug kits. UL Listed, NEC barrier-compliant, and a NEMA 3R enclosure ensure safety and reliability in harsh environments. By combining robust protection with easy service entrance integration, this switch reduces maintenance costs and improves plant uptime. Its 600A rating and 240V operation meet demanding industrial loads, while the Class H fuse and enhanced visible blade support quick fault isolation.
Product Information
Extended Description
DH226FRK Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 600 A, NEMA 3R, Class H, Two-pole, Two-wire, 240 V, Max Hp: 75, 200 hp (3PH @ Std fuse/time delay), (1)#2-(1)600 kcmil and (1)#1/0-(1)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH226FRK
UPC
782114001998
Product Length/Depth
58 in
Product Height
12 in
Product Width
27.5 in
Product Weight
147 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 or ground lug kit installed. Hp ratings apply only when neutral is field installed and switch is used on a grounded B phase system.
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Two-pole
Number of wires
2
Type
Heavy duty fusible safety switch
Amperage Rating
600A
HP rating - max
75, 200 hp (3PH @ Std fuse/time delay)
NEMA rating
NEMA 3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature: 600A amperage rating at 240V input, two-pole, fusible without neutral. Business Impact: Enables reliable protection for high-load equipment and simplifies control wiring, reducing nuisance trips and optimizing motor startup performance. Application: 3-phase industrial lines and heavy machinery where peak demand and safety margins matter. Feature: Enhanced visible blade for quick fault diagnosis. Business Impact: Speeds fault determination and field servicing, lowering downtime and maintenance costs. Application: regular inspections and post-trip troubleshooting in assembly lines. Feature: NEMA 3R enclosure with painted galvanized steel construction. Business Impact: Provides outdoor-ready protection against weather and corrosion, extending life in harsh environments. Application: outdoor substations, warehouse docks, and outdoor machine centers. Feature: Class H fuse provision with fusible without neutral configuration. Business Impact: Improves selective coordination and protection strategy while accommodating non-neutral installations. Application: critical power paths requiring precise overcurrent protection. Feature: Service entrance compatibility with neutral or ground lug kit installation. Business Impact: Facilitates easy integration into existing distribution panels without compromising Hp ratings. Application: service entrances and retrofit projects. Feature: UL Listed and NEC 230.62 barrier compliant. Business Impact: Ensures regulatory compliance and safer boundary protection, reducing inspection risk. Application: facilities subject to electric code enforcement. Feature: Dimensions and weight support installation planning and handling efficiency. Business Impact: 58 in length, 27.5 in width, 12 in height, 147 lb weight enable accurate space planning and safer installation. Application: industrial footprint planning and logistics for large safety switch installations.
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FAQs
Yes. DH226FRK is suitable for service entrance use and supports installation with a neutral or ground lug kit. The unit is two-pole, fusible without neutral by default, and Hp ratings apply when a neutral is field-installed on a grounded B phase system, ensuring proper motor protection and compliant integration with existing gear.
The switch is rated for 600 A at 240 V, two-pole, with Class H fuses for overcurrent protection. It provides up to 75 to 200 hp (3PH at standard fuse/time delay) depending on neutral installation. This combination delivers reliable motor protection, selective coordination, and safe shutdown during fault conditions.
Ideal for harsh indoor and outdoor environments, thanks to the NEMA 3R enclosure and painted galvanized steel. Use cases include manufacturing lines, water treatment facilities, and outdoor substations where robust protection, quick fault isolation, and durable enclosure are essential.
DH226FRK is UL Listed and NEC 230.62 barrier compliant, aligning with safety standards for service entrance equipment. These certifications support regulatory approval, safer installation practices, and reduced inspection risk in regulated facilities.
Its rugged construction, enhanced blade visibility, and compatible lug kit options reduce downtime and service time. The unit’s long-term reliability minimizes warranty events and maintenance labor, delivering lower lifecycle costs while maintaining strong protection for critical loads.