Eaton DH327FWK316 Heavy Duty Fusible Switch - NEMA 4X
Part Number: DH327FWK316
Quick Summary
Eaton DH327FWK316 Heavy Duty Fusible Safety Switch isolates power for industrial motor circuits. This solution addresses downtime and corrosion risk by delivering durable, maintenance-friendly protection in harsh environments. UL Listed protection combined with a NEMA 4X stainless enclosure and 316 stainless steel construction ensures superior barrier integrity. The design supports high amperage and motor horsepower, making it a reliable choice for demanding automation installs, while offering robust compliance with NEC 230.62 and barrier standards. With Class L fuses and a three-pole, fusible without neutral configuration, this switch blends safety, reliability, and lifecycle cost advantages into one proven package suitable for modern facilities.
Product Information
Extended Description
DH327FWK316 Eaton: Heavy Duty Safety Switch, Single-Throw, 800A, 240V, Three-pole, Three-wire, Fusible without neutral, NEMA 4X, Grade 316 stainless steel, Class L fuses, 100 hp at 240 Vac Std. 3 Ph, 250 hp at 240 Vac TD 3 Ph
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH327FWK316
UPC
782116489879
Product Length/Depth
12.75 in
Product Height
71.75 in
Product Width
24.9 in
Product Weight
0.01 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
Enclosure
NEMA 4X
Enclosure material
316 stainless steel
Fuse class provision
Class L fuses
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Single-Throw
Amperage Rating
800A
HP rating - max
100 at 240 Vac Std. 3 Ph, 250 at 240 Vac TD 3 Ph
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature → Business Impact → Application: The DH327FWK316 uses a 316 stainless steel enclosure rated NEMA 4X, delivering corrosion resistance and washdown compatibility essential for downstream processing and outdoor installations. This translates to reduced maintenance costs and longer service intervals in chemical, food and beverage, and water treatment environments where exposure to moisture and contaminants is routine. Feature → Business Impact → Application: The unit is a three-pole, three-wire design with fusible without neutral configuration and Class L fuses, enabling precise overcurrent protection while simplifying field replacement and spare-part logistics in heavy-duty machinery and conveyors. This configuration supports reliable isolation for motor control centers and machine control panels, improving uptime and safety. Feature → Business Impact → Application: With 800A amperage rating and 240V operation, plus horsepower ratings of 100 std. and 250 with torque-divergent (TD) 3-phase, the switch handles high-load motors, reducing nuisance trips and enabling compact, cost-efficient electrical layouts in industrial automation. Feature → Business Impact → Application: UL Listed compliance and NEC 230.62 barrier integration provide confidence for regulated facilities and electrical modernization projects, accelerating procurement cycles and permitting. Feature → Business Impact → Application: 12.75 in depth, 71.75 in height, and 24.9 in width create a versatile footprint that aligns with standard enclosures and mounting patterns, facilitating straightforward retrofits and new installations in control rooms and switchgear bays. Feature → Business Impact → Application: The 316 stainless enclosure and NEMA 4X rating support long-term durability in demanding environments, reducing total cost of ownership by mitigating corrosion, wear, and enclosure maintenance over time.
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FAQs
DH327FWK316 is a three-pole, three-wire fusible safety switch rated for 800A at 240V, designed for integration with common industrial control panels and three-phase motors. Its NEMA 4X stainless enclosure and Class L fuses support straightforward panel mounting and reliable motor protection, while UL Listed status confirms compliance with typical OEM and plant safety requirements.
Key specs include an 800A amperage rating, 240V voltage rating, three-pole configuration, fusible without neutral, and Class L fuses. The device provides 100 hp at STD 240V three-phase and 250 hp with TD in 3-phase configurations, supporting robust motor control and high-demand applications.
Yes. The enclosure is NEMA 4X rated and constructed from 316 stainless steel, delivering excellent corrosion resistance and washdown compatibility. This makes it well-suited for chemical processing, food and beverage, and outdoor installations where moisture and contaminants are common risk factors.
The DH327FWK316 is UL Listed and complies with NEC 230.62 barrier requirements. Its NEMA 4X enclosure and 316 stainless steel construction further support compliance with industrial safety and environmental standards in challenging environments.
By delivering durable, corrosion-resistant protection and reducing nuisance trips, the DH327FWK316 lowers maintenance costs and minimizes downtime. Its long service life in harsh environments, combined with straightforward field replacement of Class L fuses, improves overall equipment reliability and return on investment in heavy-duty automation.