Eaton DH225FDKW Heavy Duty Fusible Safety Switch UL Listed
Part Number: DH225FDKW
Quick Summary
Eaton DH225FDKW heavy duty fusible safety switch provides reliable line isolation for industrial equipment. The design minimizes downtime by simplifying steady-state operation, maintenance, and safe shutdown even in crowded electrical rooms. UL Listed certification and NEMA 12/3R compatibility help meet industry standards, while a painted steel NEMA 1 housing supports rugged industrial use. With 400 A capacity and 240 V operation, it aligns with common factory floor loads, delivering reliability and safer maintenance. Additionally, the catalog notes highlight a window and visible blade, aiding quick verification during routine checks. For project teams, the two-pole, two-wire configuration and fuse class provision simplify wiring and compliance planning.
Product Information
Extended Description
DH225FDKW Eaton: Eaton Heavy duty single-throw fused safety switch, 400 A, NEMA 1, Painted steel, Two-pole, Two-wire, 240 V, Max Hp: 50, 125, 50 hp (3PH @ Std fuse/time delay/250 Vdc), (2)#1/0-(2)300 kcmil or (1)#1/0-(1)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH225FDKW
UPC
786680181542
Product Length/Depth
45.5 in
Product Height
10.25 in
Product Width
24.38 in
Product Weight
110 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 H
Fuse configuration
Fusible without neutral
Number Of Poles
Two-pole
Number of wires
2
Type
Heavy duty fusible safety switch
Amperage Rating
400A
HP rating - max
50, 125, 50 hp (3PH @ Std fuse/time delay/250 Vdc)
NEMA rating
NEMA 12/3R
Voltage - max
600 V
Voltage rating
240V
Application
Heavy commercial and industrial
Series
K
Feature 400 A amperage rating and 240 V operation → Business Impact: Supports high-load circuits with robust fault isolation, reducing nuisance trips and unplanned downtime. Application: Suitable for heavy machine feeds and process lines in industrial facilities, enabling safer and more reliable shutdowns. Long-tail keywords: high-current safety switch, three-phase 240V disconnect, industrial power isolation. Feature Two-pole, two-wire design → Business Impact: Simplifies panel wiring, saves space, and accelerates installation while minimizing wiring errors. Application: Ideal for OEM control panels and retrofit projects demanding compact, straightforward disconnects. Long-tail keywords: two-pole safety switch, wiring-friendly disconnect. Feature Fusible without neutral with Class H fuse provision → Business Impact: Predictable fault clearing and flexible protection options, reducing maintenance and inventory complexity. Application: Critical for motor starters and feeders where neutral is not required. Long-tail keywords: Class H fuse, fusible disconnect without neutral. Feature NEMA 1 enclosure with painted steel → Business Impact: Durable indoor protection against dust and incidental impact, lowering life-cycle costs. Application: Machine rooms and enclosed panels in manufacturing environments. Long-tail keywords: NEMA 1 enclosure, indoor industrial enclosure. Feature NEMA 12/3R compatibility and UL Listed certification → Business Impact: Regulatory alignment and dependable environmental performance, easing procurement and audit processes. Application: Industrial facilities requiring compliance-driven safety solutions. Long-tail keywords: UL Listed safety switch, NEMA 12/3R rated disconnect. Feature Window and Visible Blade in HDSS catalog notes → Business Impact: Quick visual verification during maintenance reduces downtime and inspection time. Application: Routine safety checks and post-maintenance testing. Long-tail keywords: HDSS window, visible blade safety switch. Feature 400 A 240 V rating and three-phase suitability → Business Impact: Supports common factory power architectures with scalable protection for motor loads. Application: Heavy commercial and industrial equipment protection. Long-tail keywords: heavy-duty motor protection, three-phase disconnect. Warranty and service terms → Business Impact: Clear coverage reduces risk for procurement and asset management. Application: Long-term asset stewardship and warranty planning.
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FAQs
The DH225FDKW is a heavy-duty fusible safety switch designed to safely disconnect and isolate power for industrial equipment. It is commonly used on heavy machinery, production lines, and process equipment where reliable fault isolation and arc protection are essential. Its 400 A rating and NEMA 1 enclosure support indoor, rugged environments.
Yes. The device is rated for 240V operation and is suitable for three-phase applications, with HP ratings up to 50 hp for standard fuse configurations and 125 hp in specific setups. The product also supports 600V maximum voltage ratings for broader installation flexibility.
The DH225FDKW carries UL Listed certification and is designed to meet NEMA ratings, including NEMA 12/3R compatibility. The enclosure is a NEMA 1 painted steel unit, making it appropriate for indoor industrial environments that require recognized safety and construction standards.
The DH225FDKW uses fusible without neutral configuration with Class H fuse provisions. This simplifies wiring in motor and feeder circuits, speeds up replacement during maintenance, and reduces stock variety by using standard fuse classes while delivering predictable protection curves.
Warranty terms follow Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. For maintenance, the HDSS catalog notes and the visible blade window support quick status checks, helping reduce downtime during routine servicing.