Eaton DH367FWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH367FWK
Quick Summary
Eaton DH367FWK heavy duty fusible safety switch provides rugged overcurrent protection for industrial power distribution and service entrances. Engineers and procurement teams frequently grapple with corrosion resistance, downtime, and maintenance costs in harsh facilities; this unit addresses those challenges with a corrosion-resistant 304 stainless steel enclosure and proven long-term reliability. UL Listed and built to NEMA 4X specifications, the device also features Class L fuse provisions for enhanced protection in demanding environments. With neutral or ground lug kit compatibility and scalable current handling, it supports efficient upgrades, safer operation, and a lower total cost of ownership across industrial sites.
Product Information
Extended Description
DH367FWK Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, 800 A, NEMA 4X, 304 stainless steel, Class L, Three-pole, Three-wire, 600 V, Max Hp: 500, 500 hp (3PH @480/600 V), (4)#1/0-(4)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH367FWK
UPC
782114357606
Product Length/Depth
12.75 in
Product Height
71.75 in
Product Width
24.9 in
Product Weight
208 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 L
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
800A
HP rating - max
500, 500 hp (3PH @480/600 V)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
600 V
Product Category
Heavy Duty, Fusible without neutral
Feature → Business Impact → Application: 800 A amperage rating combined with 600 V capacity delivers robust overload protection for large motors and process equipment, reducing fuse-related outages and protecting critical loads in manufacturing. This translates to lower maintenance costs and improved line uptime in facilities with high horsepower requirements, such as metal fabrication or pumping systems. Feature → Business Impact → Application: 304 stainless steel, NEMA 4X enclosure provides corrosion resistance and weather sealing, extending service life in moist, dusty, or wash-down environments and enabling year-round operation in outdoor or harsh indoor spaces. Feature → Business Impact → Application: Three-pole, three-wire design with Fusible without neutral configuration simplifies integration into service entrances and switchgear, speeding installation and eliminating unnecessary neutral connections in heavy industrial applications. Feature → Business Impact → Application: Class L fuse provision and UL Listing deliver regulatory compliance confidence for electrical teams, supporting safer commissioning and easier inspections in process plants and distribution centers. Feature → Business Impact → Application: Neutral or ground lug kit compatibility offers flexible service entrance configurations, reducing retrofit costs and enabling scalable protection for evolving plant layouts and future expansions.
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FAQs
The DH367FWK is suitable for service entrances with a neutral or ground lug kit installed, as noted in the catalog. This allows flexible wiring configurations for three-pole, three-wire circuits and simplifies retrofits or upgrades in existing switchgear without replacing the entire enclosure.
Key specs include an 800 A amperage rating, 600 V voltage rating, three-pole configuration, three wires, and a maximum horsepower of 500 HP at 480/600 V for three-phase systems. The unit uses Class L fusing and is fusible without neutral, making it suitable for high-current protection in demanding environments.
Yes, the DH367FWK is UL Listed and features a NEMA 4X enclosure crafted from 304 stainless steel. This combination provides reliable protection against corrosion, moisture, and dust, ideal for outdoor or wash-down facilities and other harsh industrial applications.
The product carries Eaton's warranty of one year from the date of installation or eighteen months from shipment, whichever occurs first, per policy 25-000. This ensures support for manufacturing defects and coverage during early field use after commissioning.
Datasheets and catalogs are available from Eaton's site: the Eaton Specification Sheet for DH367FWK and the Commercial Distribution, Switching Devices catalog (Volume 2, Tab 1). These documents provide detailed wiring, mounting, and installation guidance to support commissioning and compliance.