Eaton DH221NWKW Heavy duty fusible safety switch - NEMA 4X
Part Number: DH221NWKW
Quick Summary
Eaton DH221NWKW heavy duty fusible safety switch is designed to isolate power for industrial equipment reliably. In demanding facilities, uptime and personnel safety suffer when enclosures corrode or interfaces fail. UL Listed, NEMA 4X protection with EnviroLine stainless enclosure delivers corrosion resistance and clear blade visibility. This model provides 30 A at 240 V with a fusible configuration and a windowed HDSS design to confirm status at a glance, helping maintenance teams reduce downtime. For procurement teams, the combination of rugged enclosure, warranty support, and standardized dimensions translates to predictable installation and lower lifecycle costs.
Product Information
Extended Description
DH221NWKW Eaton: Eaton Heavy duty single-throw fused safety switch, EnviroLine stainless steel enclosure, 30 A, NEMA 4X, EnviroLine stainless, Two-pole, Three-wire, 240 V, Max Hp: 1.5, 3 hp/3, 7.5 hp/5 hp (1,3PH @ Std fuse/time delay/250 Vdc), #14-#2 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH221NWKW
UPC
786680181429
Product Length/Depth
10.22 in
Product Height
17.75 in
Product Width
7.73 in
Product Weight
20 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
Heavy Duty Safety Switch (HDSS). Window & Visible Blade
Enclosure
NEMA 4X
Enclosure material
EnviroLine stainless
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
30A
HP rating - max
1.5, 3 hp/3, 7.5 hp/5 hp (1,3PH @ Std fuse/time delay/250 Vdc)
NEMA rating
NEMA 4X (Stainless)
Voltage - max
600 V
Voltage rating
240V
Application
Heavy commercial and industrial
Series
K
EnviroLine stainless enclosure provides corrosion resistance in washdown or harsh environments, reducing maintenance costs and extending service life for equipment such as pumps and conveyors. The 30 A amperage rating with 240 V operation enables robust protection of motor loads, while the two-pole, three-wire design with a neutral fuse configuration supports safe, straightforward wiring in control panels. The Class H fuse provision guarantees fast-acting overcurrent protection, minimizing arc flash exposure and component damage. UL Listed and NEMA 4X compliance ensure regulatory alignment and reliability in demanding facilities, including water treatment, food processing, and industrial automation lines. The integrated window and visible blade provide quick status without opening the enclosure, speeding routine checks and reducing downtime. With a compact footprint (10.22 in depth, 7.73 in width, 17.75 in height) and a 20 lb weight, installation is straightforward in tight spaces and retrofit projects. A one-year warranty (or 18 months from shipment) further reduces risk and total cost of ownership.
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FAQs
The DH221NWKW is designed for two-pole, three-wire installation with a fusible configuration that includes neutral. It features a compact footprint (10.22 in depth, 7.73 in width, 17.75 in height) and a 20 lb weight, enabling straightforward integration into standard control panels and retrofit projects.
It offers a 30A amperage rating, 240V nominal voltage, and up to 600V maximum, with a fusible configuration that includes a neutral and Class H fuses for robust overcurrent protection. The enclosure provides a window and visible blade for quick status checks without opening the door.
Yes. The unit uses an EnviroLine stainless enclosure rated NEMA 4X, which delivers excellent corrosion resistance and washdown compatibility, ideal for heavy industrial settings such as food processing, water treatment, and other demanding environments.
The switch is UL Listed and designed with a NEMA 4X enclosure, featuring a window and visible blade for status indication. It is built as a heavy duty fusible safety switch with a stainless enclosure to meet stringent protection and compliance requirements.
Warranty is Eaton policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This provides coverage for manufacturing defects and supports a lower total cost of ownership in long-cycle industrial deployments.