Eaton DH227FDKW Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH227FDKW
Quick Summary
Eaton heavy duty fusible safety switch provides reliable fault protection for industrial power distribution and motor circuits. Operators often struggle with fuse delays and downtime during maintenance, and with limited visibility into switch status. This model features a window and visible blade to speed inspections while reducing exposure during servicing. Its NEMA 1 painted steel enclosure, Class L fuse provision, and two-pole, two-wire design support rugged indoor installations in heavy commercial and industrial environments. Rated at 240 V and 800 A with up to 250 hp (3PH @ Std fuse/time delay), it aligns with UL Listed requirements and practical site needs, delivering safety, reliability, and smooth maintenance workflows for electrical protection and circuit control projects.
Product Information
Extended Description
DH227FDKW Eaton: Eaton Heavy duty single-throw fused safety switch, 800 A, NEMA 1, Painted steel, Class L, Two-pole, Two-wire, 240 V, Max Hp: 100, 250 hp (3PH @ Std fuse/time delay), (4)#1/0-(4)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH227FDKW
UPC
786680181665
Product Length/Depth
57.5 in
Product Height
12.38 in
Product Width
27.5 in
Product Weight
145 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 1
Enclosure material
Painted steel
Fuse class provision
Class L
Fuse configuration
Fusible without neutral
Number Of Poles
Two-pole
Number of wires
2
Type
Heavy duty fusible safety switch
Amperage Rating
800A
HP rating - max
100, 250 hp (3PH @ Std fuse/time delay)
NEMA rating
NEMA 12/3R
Voltage - max
600 V
Voltage rating
240V
Application
Heavy commercial and industrial
Series
K
Feature → Business Impact → Application: 800 A rating with 240 V operation enables handling large motor loads with a single disconnect, improving protection and limiting arc exposure in stair-step motor start scenarios. This translates to shorter downtime and safer commissioning in manufacturing lines and processing facilities. Feature → Class L fuse provision and fusible without neutral design provides calibrated protection against short-circuits while allowing straightforward replacement during planned maintenance. Application: ideal for heavy-duty motor control circuits and process equipment with time-delay fuse coordination needs in industrial plants. Feature → NEMA 1 enclosure with painted steel construction offers a robust indoor housing that resists routine wear, scratches, and incidental corrosion, improving long-term reliability. Application: suitable for control panels in factories, machine shops, and assembly lines. Feature → Window and visible blade access supports rapid status checks without full door removal, reducing maintenance time and worker risk. Application: daily operations, service windows, and preventive maintenance cycles in food/beverage, automotive, or metalworking facilities. Feature → UL Listed certification and NEMA 12/3R compatibility provide regulatory confidence and environmental protection for installed disconnects. Business impact: smoother audits, safer operations, and consistent performance across critical loads. Application: electrical protection and circuit control in heavy commercial and industrial contexts.
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FAQs
DH227FDKW is a two-pole, two-wire fusible disconnect designed for indoor use with a NEMA 1 enclosure. It supports 240 V systems and an 800 A rating, with Class L fusing and fusible without neutral configuration. Plan for secure wall or panel mounting, access to the window for status checks, and adequate clearance for maintenance per electrical safety standards.
Key specs include an 800 A amperage rating, 240 V operating voltage, and up to 250 hp in three-phase service with standard fuse/time delay. It features a two-pole configuration, NEMA 1 enclosure, and UL Listed certification. The device is designed for heavy commercial and industrial loads with Class L fuse provisions that coordinate with time-delay protection.
Yes. The DH227FDKW supports up to 250 hp in three-phase service with standard fuse/time delay, making it suitable for large motors and process equipment in manufacturing environments. Its heavy-duty construction, fused disconnect design, and visible-blade window help ensure safe, reliable isolation during startup, operation, and maintenance.
The DH227FDKW is UL Listed, ensuring compliance with recognized safety standards for electrical equipment. It features a NEMA 1 enclosure suitable for indoor environments and a Class L fuse provision for controlled protection. These certifications and ratings support safer installation, easier audits, and reliable performance in industrial protection and circuit-control applications.
By combining a robust NEMA 1 enclosure, UL Listed safety, and a design that facilitates quick status checks through a window and visible blade, the DH227FDKW minimizes downtime during inspections and fuse replacements. The 800 A, 240 V rating supports large motors with reliable protection, reducing warranty issues and maintenance costs while improving equipment uptime.