Eaton DH227NWK316 Heavy Duty Fusible Switch - NEMA 4X
Part Number: DH227NWK316
Quick Summary
Eaton DH227NWK316 heavy duty fusible safety switch provides robust circuit protection for demanding industrial panels and control centers. This solution addresses downtime and corrosion risk in harsh environments by integrating a corrosion-resistant enclosure and cartridge fuse protection. UL Listed components and a NEMA 4X stainless steel enclosure ensure reliable operation in challenging conditions, while NEC 230.62 barrier compliance supports safe installations. The two-pole, three-wire design with neutral and 240 V supply delivers straightforward integration into existing panels, minimizing wiring complexity. In addition to strong protection, the unit offers scalable amperage and hp ratings that align with evolving process requirements, helping maintenance teams reduce spare parts and testing costs over time.
Product Information
Extended Description
DH227NWK316 Eaton: Eaton Custom single-throw fused safety switch, Corrosion resistant, enhanced visible blade, 800 A, NEMA 4X, Cartridge, Neutral, Two-pole, Three-wire, 240 V, Max Hp: 100, 250 hp (3PH @ Std fuse/time delay), (4)#1/0-(4)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH227NWK316
UPC
782116489817
Product Length/Depth
18 in
Product Height
11 in
Product Width
9 in
Product Weight
213 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
304 stainless steel
Fuse class provision
Cartridge
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
800A
HP rating - max
100, 250 hp (3PH @ Std fuse/time delay)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH227NWK316
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The DH227NWK316 uses a heavy duty fusible safety switch design to deliver high reliability in demanding environments, reducing unplanned downtime and maintenance costs for critical equipment. Application: suitable for manufacturing lines and processing stations requiring robust protection at 240 V and up to 800 A, with clear fuse/neutral coordination to simplify diagnostics. Feature → Business Impact → Application: A NEMA 4X, 304 stainless steel enclosure provides superior corrosion resistance, extending service life in washdown and humid environments, lowering replacement frequency. Application: ideal for food and beverage plants, chemical processing facilities, and water treatment systems where enclosure integrity matters. Feature → Business Impact → Application: Cartridge fuse provisioning enables quick fuse changes and minimal downtime, improving MTTR and uptime metrics. Application: aligns with standard maintenance routines and service schedules in industrial control panels. Feature → Business Impact → Application: UL Listed and NEC 230.62 compliant barrier support simpler regulatory audits and safer installations. Application: critical in regulated plants and compliant system designs. Feature → Business Impact → Application: 800 A, 240 V, two-pole, three-wire configurations offer scalable protection for evolving line side protections and motor control centers. Application: suitable for upgrade projects where high current switching is needed without redesigning switchgear. The unit’s 18 in length, 11 in height, and 9 in width with a 213 lb weight provide a rugged, ruggedized footprint ready for floor or mount-in-panel installations, while 304 stainless steel construction supports long-term value and reduced total cost of ownership.
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FAQs
The DH227NWK316 is a two-pole, three-wire device with neutral designed for 240 V service. Its NEMA 4X, 304 stainless steel enclosure supports washdown and corrosive environments, and the unit weighs 213 lb with overall dimensions of 18 in (L) x 11 in (H) x 9 in (W). It accepts cartridge fuses and is UL Listed, simplifying panel integration and regulatory compliance.
This switch is rated for 800 A and supports up to 100 or 250 hp at three-phase operation with standard fuse/time delay. It is built for high-current protection while maintaining safe, predictable operation in heavy-duty industrial circuits.
Yes. It features a NEMA 4X stainless steel enclosure (304 stainless), providing excellent corrosion resistance and protection against washdown, humidity, and aggressive environments common in food processing, chemical handling, and water treatment facilities.
The product is UL Listed and complies with NEC 230.62 barrier requirements. These certifications support safer installations, easier code approvals, and smoother maintenance audits in industrial facilities.
Cartridge fuse provision allows quick, cost-effective fuse replacements with minimal panel downtime. The robust 304 stainless enclosure reduces long-term replacement costs in harsh environments, and the unit’s reliability lowers maintenance frequency, contributing to lower total cost of ownership and improved uptime.