Eaton DH226NDKV Heavy Duty Fusible Safety Switch - NEMA12/3R
Part Number: DH226NDKV
Quick Summary
The Eaton DH226NDKV heavy duty fusible safety switch provides reliable feeder protection for industrial equipment in manufacturing and distribution facilities. Downtime, arc-flash risk, and unsafe isolation are persistent challenges; this unit delivers safe, code-compliant operation under load. UL Listed and NEC 230.62 (C) compliant barriers support safer installations, while the NEMA 12/3R enclosure tolerates indoor and outdoor conditions. Cartridge fuse configuration with neutral support simplifies maintenance and future upgrades, reducing spare-part inventories. Engineered for 600 A service with 240 V three-phase circuits and up to 200 hp, it lowers total cost of ownership through durable construction.
Product Information
Extended Description
DH226NDKV Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blade, 600 A, NEMA 12/3R, 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
DH226NDKV
UPC
786685973098
Product Length/Depth
64.5 in
Product Height
13 in
Product Width
26 in
Product Weight
160 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized 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 12/3R
Voltage rating
240V
Eaton Specification Sheet - DH226NDKV
Selling Policy 25-000 - Distribution and Control Products and Services
Feature 600 A amperage rating → Business Impact High-capacity protection supports demanding motor feeders, reducing nuisance trips and boosting system reliability; Application Large industrial drives in manufacturing and processing plants. Feature HP rating up to 75 hp standard fuse/time delay and 200 hp on three-phase loads → Business Impact Enables flexible protection across motor sizes, simplifying panel design and stocking; Application Medium to large motors in packaging lines and material handling. Feature NEMA 12/3R enclosure with painted galvanized steel → Business Impact Weather-resistant, dust-resistant protection lowers maintenance and corrosion costs; Application Indoor and outdoor conveyor systems and wash-down areas. Feature Cartridge fuse provision with neutral → Business Impact Fast fuse replacement and coordinated protection minimize downtime during maintenance; Application Critical power feeds and motor starter circuits. Feature Two-pole, three-wire configuration with space for large conductors (up to 600 kcmil copper / 750 kcmil aluminum) → Business Impact Supports scalable wiring and future capacity upgrades; Application Heavy-duty feeders from switchgear to motor control centers. Feature Certifications and compliance (UL Listed, NEC 230.62 barrier) → Business Impact Regulatory alignment reduces procurement risk and streamlines audits; Application Industrial facilities with strict safety requirements. Feature Catalog notes (HDSS) → Business Impact Clear documentation aids installation and service planning; Application OEM and distributor environments.
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FAQs
The DH226NDKV is a two-pole, three-wire safety switch designed for 240 V three-phase service with cartridge fuses and neutral. Plan for conduit access on the enclosure doors, ensure space for up to 64.5 in depth, and confirm wiring can accommodate #2 to 600 kcmil copper or 750 kcmil aluminum conductors. Verify NEC 230.62 (C) barrier compliance during panel installation to meet safety standards.
The unit supports up to 75 hp with standard fuse/time-delay, and up to 200 hp on three-phase loads when using the appropriate cartridge fuses. Align fuse selection with motor FLA and startup characteristics to ensure proper coordination, minimize nuisance trips, and maintain safe shutdown during fault conditions.
Yes. The enclosure is rated for indoor and outdoor use as a NEMA 12/3R unit, with painted galvanized steel construction providing resistance to dust, moisture, and corrosion. When outdoor exposure is expected, ensure proper mounting and enclosure sealing per installation guidelines to sustain performance and longevity.
The DH226NDKV is UL Listed and incorporates NEC 230.62 (C) compliant barriers for safe operation. These certifications support safer installations, easier procurement, and smoother regulatory audits across industrial facilities and distribution centers.
Cartridge fuses with neutral simplify replacement, reduce downtime, and support quicker maintenance cycles compared with non-fusible or legacy switch designs. The 600 A rating and 240 V capability enable scalable protection for evolving motor loads, delivering long-term reliability and a lower total cost of ownership.