Eaton DH326FDK Heavy-Duty Fusible Safety Switch - UL Listed

Part Number: DH326FDK
Manufacturer
Eaton
Part number
DH326FDK

Quick Summary

Eaton DH326FDK heavy-duty fusible safety switch provides safe isolation for 3-phase industrial equipment in medium to large electrical installations. This unit helps engineers overcome space, enclosure protection, and service-entrance compliance challenges without compromising reliability. UL Listed, with a NEMA 12/3R enclosure and robust Class H fuses, it delivers proven protection for demanding environments. Designed for easy installation and long-term maintenance, it supports high-amp applications while simplifying compliance and traceability in industrial facilities. Leverage this solution to improve uptime, reduce downtime-related risk, and streamline procurement with a single, standards-compliant protective device.

Product Information

Extended Description

DH326FDK Eaton: Eaton Heavy duty single-throw fused safety switch, 600 A, NEMA 12/3R, 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 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH326FDK
UPC
782113207483
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 or ground lug kit installed
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, Fusible without neutral
Feature → Business Impact → Application: 600 A amperage rating enables continued operation of high-load equipment with minimal voltage drop, reducing unplanned downtime in manufacturing lines and processing plants. This translates to measurable uptime gains and lower maintenance costs for critical machinery. Application: heavy machinery and process lines requiring robust protection at 240 V, 3-phase power. Feature → Business Impact → Application: NEMA 12, NEMA 3R enclosure provides indoor and outdoor compatibility with splash and dust resistance, improving longevity in harsh environments and reducing enclosure-related maintenance. Application: packaging, food processing, and material handling where environmental exposure is a concern. Feature → Business Impact → Application: Class H fuse provision and fusible without neutral configuration simplify protection coordination and fault isolation, accelerating restoration after a fault and supporting safer motor control. Application: motor starters and switchgear assemblies in bottling and bulk-material facilities. Feature → Business Impact → Application: Three-pole design with three wires ensures balanced phase protection and straightforward wiring, enabling faster installation and reducing wiring errors in control rooms and plant floors. Application: automation panels and centralized motor control centers. Feature → Business Impact → Application: Service-entrance readiness and lug-kit compatibility support NEC compliance and flexible installation, enabling contractors to deploy with confidence in new builds or retrofits. Application: facility expansions and electrical upgrades where service entrance protection is required. Feature → Business Impact → Application: Painted galvanized steel enclosure delivers durable protection against corrosion, lowering lifecycle costs and maintenance cycles in demanding environments. Application: outdoor installations near washdown areas or industrial environments requiring rugged protection. Feature → Business Impact → Application: UL Listed and NEC barrier compliance provide regulatory peace of mind, reducing risk during audits and enhancing procurement confidence. Application: compliance-driven projects in manufacturing and processing sectors. The blend of protection, enclosure durability, and certification makes the DH326FDK a dependable choice for industrial protection devices, contributing to lower total cost of ownership and improved asset reliability.

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FAQs

Yes. The DH326FDK is ready for service entrance use and can be configured with a neutral or ground lug kit. This enables compliant installation in new builds or upgrades, simplifies wiring, and supports NEC 230.62 barrier requirements. The unit’s NEMA 12/3R enclosure and three-pole design further streamline field wiring and testing.
Key specs include a 600A amperage rating, 240V voltage rating, three-pole configuration, and fusible protection without neutral. It uses Class H fuses and is designed for NEMA 12/3R environments, delivering reliable protection for high-load, three-phase equipment in industrial settings.
Best-suited for heavy-duty machinery, process lines, and motor-driven equipment that require robust isolation and protection. Its UL Listed status, durable galvanized enclosure, and service-entrance readiness make it ideal for line protection, centralized motor control, and safety-compliant equipment isolation in manufacturing plants.
Verify UL Listed certification, NEC barrier compliance, and the NEMA 12/3R enclosure rating. These credentials confirm regulatory compliance, protection against dust and moisture, and suitability for indoor and outdoor installations per industrial codes and standards.
Plan for three-wire, three-pole wiring with compatible lugs for large Cu/Al conductors, align with 240V service requirements, and ensure enclosure mounting adheres to indoor/outdoor ratings. The robust enclosure, fuse class, and straightforward wiring reduce downtime, simplify upgrades, and lower maintenance costs over the device’s life cycle.