Eaton DH226FPK Heavy Duty Fusible Safety Switch - NEMA 4
Part Number: DH226FPK
Quick Summary
Eaton DH226FPK heavy duty fusible safety switch provides reliable circuit protection for industrial control panels, service entrances, and motor feeders. Maintenance downtime and difficult fuse changes can stall production, while safety and regulatory demands require rugged, code-compliant hardware installers can trust. UL Listed, a NEMA 4 enclosure, and Class H fuse provisions help meet stringent standards, while 240 V two-pole operation supports common plant architectures. This combination of rugged protection and installation flexibility translates into lower maintenance costs, faster fuse changes, and improved line uptime across service entrances and motor feeders. Engineers value its compatibility with neutral or ground lug kits and its documented HP ratings for motor starts.
Product Information
Extended Description
DH226FPK Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 600 A, NEMA 4, Painted steel, 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 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH226FPK
UPC
782113207124
Product Length/Depth
63 in
Product Height
14.25 in
Product Width
24 in
Product Weight
157 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 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 4
Enclosure material
Painted 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 4
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature: 600 A amperage rating and two-pole, 240 V operation deliver strong, instantaneous overcurrent protection for feeders and control circuits. Business impact: minimizes fuse failures, reduces unplanned downtime, and extends motor life in demanding environments. Application: ideal for service entrances and motor feeders in material handling and process plants. Feature: NEMA 4 enclosure and painted steel construction provides weather and washdown resistance. Business impact: enables reliable indoor and outdoor installations with confidence, reducing enclosure-related failures. Application: electrical rooms, exterior switchgear housings, and outdoor equipment bays. Feature: Class H fuse provision and fusible configuration without neutral offer flexible protection schemes and compatibility with standard time-delay fuses. Business impact: higher interrupt ratings and safer startups in varied load profiles. Application: main disconnects in machinery lines and panelboards requiring robust fusing without neutral conductors. Feature: Neutral or ground lug kit compatibility for service entrance use simplifies retrofits and lowers installation costs. Business impact: accelerates project timelines, reduces parts inventory, and ensures correct grounding or neutral grounding per code. Application: service entrance panels and main disconnects in new builds. Feature: UL Listed certification and HP ratings up to 200 hp on three-phase systems (with neutral field-installed on grounded B phase) provide compliance confidence and predictable motor performance. Business impact: safer commissioning, reduced derating risk, and improved lifecycle value. Application: industrial plants, packaging lines, conveyors, and process lines. Feature: Overall footprint and weight support planning for integration into existing panels and spaces (63 in length, 24 in width, 14.25 in height, 157 lb). Business impact: simplifies installation scheduling and reduces field adaptation time. Application: service entrances, control panels, and motor control centers.
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FAQs
Yes. The DH226FPK is suitable for service entrances with a neutral or ground lug kit installed, per Eaton catalog notes. HP ratings apply only when neutral is field-installed and the switch is used on a grounded B phase system. This provides installation flexibility while ensuring proper grounding and code compliance in new or retrofit sites.
Core specs include a 600 A amperage rating, 240 V nominal voltage, two-pole design, and a NEMA 4 enclosure in painted steel. It uses Class H fusing and is fusible without neutral. It is UL Listed and capable of supporting motor starts up to 200 hp on three-phase systems when neutral is field-installed. This combination supports robust plant protection.
Best applied in service entrances, motor feeders, and control panels within manufacturing and processing facilities. Its rugged NEMA 4 enclosure handles indoor and outdoor use, while 600 A protection and high HP ratings support demanding loads. The unit’s two-pole, 240 V design aligns with common plant electrical architectures and ease of integration.
The DH226FPK is UL Listed, features a NEMA 4 enclosure, and uses Class H fusing with a fusible configuration without neutral. This combination helps ensure code compliance, safer commissioning, and reliability in challenging environments. Warranty considerations align with Eaton policy, supporting ongoing maintenance and support needs.
The switch reduces maintenance downtime through reliable fused protection and quick fuse changes, improving line uptime. Its compatibility with neutral or ground lug kits lowers retrofit costs, while UL listing and robust HP ratings support long-term reliability. In high-demand lines, these factors translate to lower total cost of ownership and faster project returns.