Eaton DH324FWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH324FWK
Quick Summary
The Eaton heavy duty fusible safety switch DH324FWK provides reliable isolation for 200 A circuits in industrial facilities. Engineers often struggle with corrosion, water ingress, and unplanned downtime in harsh environments. UL Listed and NEMA 4X stainless enclosure with 304 stainless steel construction deliver rugged reliability in wet and dusty plants. This switch pairs with service-entrance configurations and neutral or ground lug kits, delivering long-term protection and lower total cost of ownership. Designed for industrial protection and control panels, it supports #6-300 kcmil Cu/Al conductors and up to 15/60 hp motor loads depending on configuration. With a rugged 304 stainless enclosure and a 37.5 inch depth, installation is straightforward in retrofit or new builds.
Product Information
Extended Description
DH324FWK Eaton: Eaton Enhanced visible blade single-throw safety switch, 200 A, NEMA 4X, 304 stainless steel, Class H, Fusible without neutral, Three-pole, Three-wire, 240 V, Max Hp: 15, 25/ 15, 60/ 40 hp (1,3PH @Std/TD/250 Vdc), #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH324FWK
UPC
782113206738
Product Length/Depth
37.5 in
Product Height
11.5 in
Product Width
19 in
Product Weight
55 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
Enclosure
NEMA 4X
Enclosure material
304 stainless 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
200A
HP rating - max
15, 25/ 15, 60/ 40 hp (1,3PH @Std/TD/250 Vdc)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature: 200 A amperage rating and three-pole design provide direct protection for large three-phase loads, reducing the need for additional downstream devices and simplifying protection coordination. Business impact: This accelerates project timelines, lowers wiring complexity, and improves fault isolation, which translates to less downtime and lower maintenance costs over the life of the installation. Application: ideal for motor drives, conveyors, and process equipment in manufacturing and heavy industry, particularly where space for protection devices is at a premium. Feature: NEMA 4X stainless steel enclosure (304 stainless) protects internal components from moisture, dust, and corrosive washdowns. Business impact: extends service life in outdoor or harsh indoor environments and minimizes replacement cycles. Application: service entrances, outdoor substations, washdown areas, and other demanding environments common in food processing, water treatment, and packaging facilities. Feature: Class H fuse provision and fusible without neutral simplify the protection scheme while maintaining quick fault interruption. Business impact: ensures proper fuse coordination with minimal nuisance trips and safer, faster maintenance. Application: power distribution panels, switchgear, and integrated control enclosures where reliable isolation is critical. Feature: Conductors up to #6-300 kcmil Cu/Al are supported, enabling flexible wiring and easier upgrades. Business impact: reduces rework and enables future capacity increases without replacing the entire switch. Application: service entrances and industrial feeders that require large, versatile terminal connections. Feature: 240 V operation with HP ratings of up to 15, 25/15, 60/40 hp (1,3PH @Std/TD/250 Vdc) supports a range of motor loads. Business impact: broadens compatibility with common industrial machines, improving procurement options and reducing spare parts inventory. Application: general purpose industrial protection across manufacturing lines and process equipment. Feature: Dimensions and installation compatibility: The DH324FWK measures 37.5 in deep, 19 in wide, and 11.5 in high, with a 55 lb weight and three-pole, three-wire configuration. Business impact: this generous footprint provides ample space for wiring, lugs, and future upgrades, simplifying panel layouts and reducing installation time. Application: retrofit into existing enclosures or new builds, with lug kit compatibility for service entrances.
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FAQs
To install the DH324FWK with a neutral or ground lug kit, ensure the switch is configured as three-pole fusible without a built-in neutral, then select the appropriate lug kit and mount per Eaton's guidelines. The unit is three-pole, fusible without neutral by default, so verify lug kit compatibility and use conductors in the #6–300 kcmil Cu/Al range with proper torque.
Maximum motor loads depend on the HP ratings: 15 hp in standard configuration; 25/15 hp in certain configurations; and 60/40 hp under TD/250 Vdc conditions for three-phase service. At 240 V, these figures cover a broad range of industrial motors. Always verify protection coordination with upstream devices and motor nameplates.
Yes. With a NEMA 4X enclosure and 304 stainless steel construction, the DH324FWK is designed for outdoor and washdown environments where moisture, dust, and corrosion are concerns. UL Listed adds regulatory confidence, helping ensure reliability in challenging environments such as food processing, water treatment, and packaging facilities.
The DH324FWK is UL Listed and features a NEMA 4X stainless steel enclosure. Its service-entrance suitability with lug kit compatibility, along with listed performance data, supports compliance with typical industrial protection standards and simplifies regulatory approvals for facilities requiring robust, compliant electrical protection.
Maintenance is minimal but recommended: inspect terminations for tightness, verify conductor condition, and check fusible element wear per Eaton guidelines. The warranty provides one year from installation or eighteen months from shipment, whichever occurs first. Regular preventive checks help sustain protection integrity and minimize unexpected outages.