Eaton DH226NPKV heavy duty fusible safety switch - UL
Part Number: DH226NPKV
Quick Summary
Eaton heavy duty fusible safety switch provides robust protection for industrial motor circuits and control panels. This model is designed to minimize misoperation and downtime in demanding environments by offering clear status indication and reliable fault isolation. It carries UL Listed certification, a NEMA 4 enclosure, and NEC 230.62 compliant barrier, underscoring its suitability for harsh environments and rigorous electrical codes. The DH226NPKV couples high current capability with flexible wiring options, delivering dependable performance for 600 A service and motor loads up to 200 hp in three-phase systems, while supporting efficient maintenance and compliance-driven projects with modern installation practices.
Product Information
Extended Description
DH226NPKV Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blade, 600 A, NEMA 4, Cartridge, Two-pole, Three-wire, 240 V, Max Hp: 75, 200 hp (3PH @ Std fuse/time delay), (1)#2-(1)600 kcmil and (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH226NPKV
UPC
786685973180
Product Length/Depth
71.75 in
Product Height
14.25 in
Product Width
25.38 in
Product Weight
163 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
Enclosure
NEMA 4
Enclosure material
Painted 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
600A
HP rating - max
75, 200 hp (3PH @ Std fuse/time delay)
NEMA rating
NEMA 4
Voltage rating
240V
Feature → Business Impact → Application: Enhanced visible blade single-throw design improves operator awareness and reduces misoperation, lowering the risk of accidental energization during maintenance and startup. This directly translates to safer, faster lockout/tagout procedures on large motor feeders in manufacturing lines. Application emphasis includes motor control centers and outdoor installations where quick status verification matters. Feature → Business Impact → Application: 600 A amperage rating with cartridge fuse protection delivers robust fault handling for high-load conveyors and pumps, enabling precise selectivity and reduced arc-flash exposure. This supports safer startup sequences and reduced equipment wear in heavy-duty automation environments. Feature → Business Impact → Application: NEMA 4 painted steel enclosure provides weatherproof, corrosion-resistant protection, cutting maintenance costs in washdown zones and outdoor substations. Ideal for food & beverage, chemical processing, and wastewater applications requiring durable enclosures. Feature → Business Impact → Application: Fusible with neutral configuration and three-wire, two-pole design simplifies wiring schemes and NEC compliance, streamlining installation in new builds and panel retrofits while ensuring reliable neutral grounding for control circuits. Feature → Business Impact → Application: HP rating up to 200 hp (3PH @ std fuse/time delay) supports large motor protection with controlled startup and improved energy management, reducing downtime and energy spikes in pumping stations and material handling systems. Feature → Business Impact → Application: NEC 230.62 barrier compliance and UL Listed certification assure regulatory alignment and safer barrier design, easing audits and improving incident response in regulated facilities. Feature → Business Impact → Application: Heavy duty enclosure dimensions (length 71.75 in, width 25.38 in, height 14.25 in) and 163 lb weight indicate a substantial, stable installation footprint, accommodating complex wiring while minimizing vibration-related wear in demanding industrial settings.
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FAQs
The DH226NPKV is designed for two-pole, three-wire installations with a cartridge fuse configuration and neutral. It fits standard industrial panel cutouts and aligns with NEC wiring practices, enabling straightforward retrofits in existing control cabinets and new builds alike. Its 71.75 inch depth allows ample wiring space while maintaining a compact footprint for heavy-duty applications.
This safety switch supports up to 600 A and 240 V, with a maximum motor horsepower rating of 200 hp (3PH at standard fuse/time delay) and 75 hp as a baseline. These ratings make it suitable for demanding motor loads in conveyors, pumps, and large fans, ensuring reliable protection during start-up and normal operation.
Yes. The unit uses a NEMA 4 enclosure with painted steel construction, offering weatherproof and corrosion-resistant protection for outdoor installations and washdown areas. This makes it a strong choice for plant yards, outdoor substations, and process lines where water, dust, or chemical splashes are concerns.
The DH226NPKV carries UL Listed certification and NEC 230.62 compliant barrier, ensuring regulatory alignment and safer barrier design for electrical installations. These certifications support safer maintenance procedures, easier audits, and peace of mind in facilities with strict electrical codes and safety standards.
With a rugged heavy-duty construction, cartridge fuse provision, and a robust 600 A rating, the DH226NPKV reduces unexpected failures and downtime. Its durable enclosure and clear visibility blade simplify inspections, while its compatibility with standard wiring practices lowers lifecycle costs through longer service intervals and fewer replacement parts over time.