Eaton DH664FDKV Heavy Duty Fusible Safety Switch - UL Listed

Part Number: DH664FDKV
Manufacturer
Eaton
Part number
DH664FDKV

Quick Summary

Eaton heavy duty fusible safety switch isolates power safely in heavy industrial and commercial electrical systems. Engineers often confront the challenge of delivering reliable protection while simplifying installation and maintenance across large-diameter mains. This device carries UL Listed certification and a NEMA 12/3R enclosure, ensuring safety in dusty and wet environments; its six-pole cartridge-fuse design supports easy replacement and compliance with code requirements. The DH664FDKV also supports high HP ratings and large conductor terminations, delivering business value through reduced downtime and safer shutdown procedures. By combining rugged construction with straightforward installation, it aligns with procurement goals and factory floor reliability expectations.

Product Information

Extended Description

DH664FDKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 6 blade, 200 A, NEMA 12/3R, Cartridge, Six-pole, Six-wire, 600 V, Max Hp: 25-60, 50-125, 60-150 hp (3PH @240, 480, 600 V), 600 V, #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH664FDKV
UPC
786680181375
Product Length/Depth
47.25 in
Product Height
13.75 in
Product Width
29.5 in
Product Weight
62 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
Enhanced Visible-Blade (No Window)
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Cartridge
Fuse configuration
Fusible without neutral
Number Of Poles
Six-pole
Number of wires
6
Type
Heavy duty fusible safety switch
Amperage Rating
200A
HP rating - max
25-60, 50-125, 60-150 hp (3PH @240, 480, 600 V)
NEMA rating
NEMA 12/3R
Voltage - max
600 V
Voltage rating
600 V
Application
Heavy commercial and industrial
Series
K
Feature → Six-pole, six-wire configuration enables robust protection for three-phase systems, supporting HP ranges up to 60 hp on 240 V, 125 hp on 480 V, and 150 hp on 600 V. Business Impact → Maximizes motor protection while allowing scalable shutdowns, reducing unplanned downtime in heavy machinery and conveyors. Application → Ideal for large commercial and industrial drives where space is at a premium and reliable isolation is critical. Feature → Enhanced Visible-Blade (No Window) provides immediate visual confirmation of switch status, reducing initialization errors. Business Impact → Lowers commissioning time and increases operator confidence during startups. Application → Common in switchgear rooms and machine control panels that demand quick, accurate status checks. Feature → NEMA 12, NEMA 3R enclosure with painted galvanized steel offers rugged protection against dust and moisture. Business Impact → Extends equipment life and lowers maintenance costs in challenging environments. Application → Suitable for outdoor and harsh indoor environments typical of manufacturing floors. Feature → Cartridge fuse configuration with six poles and six wires simplifies replacement and spare-part planning. Business Impact → Reduces downtime and stock complexity; improves maintenance planning. Application → Critical for service teams managing large electrical inventories. Feature → 600 V maximum voltage rating and #6-300 kcmil Cu/Al conductor compatibility supports heavy-duty industrial wiring. Business Impact → Enables direct integration with existing feeders and large-capacity motors, avoiding adapter complications. Application → Seamless fit for high-power distributions in process lines and material handling. Feature → UL Listed certification confirms safety compliance and supplier trust. Business Impact → Accelerates procurement cycles and supports regulatory audits. Application → Preferred in regulated facilities where safety certifications drive vendor selection. Feature → Six-pole, six-wire design with cartridge fuses and reinforced enclosure material provides long-term reliability. Business Impact → Improves MTBF and reduces total cost of ownership over the switch’s lifecycle. Application → Suitable for continuous operation environments requiring dependable disconnect and isolation.

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FAQs

The DH664FDKV is a six-pole, six-wire unit rated for 200A and up to 600V. It requires six conductors (Cu/Al) in a NEMA 12/3R enclosure with a 47.25 in depth, 29.5 in width, and 13.75 in height, using cartridge fuses. Plan space for the enclosure and ensure proper panel mounting and wiring routes per local codes.
Key ratings include 200A amperage, 600V maximum voltage, six poles, six wires, and HP protection ranges of 25-60, 50-125, and 60-150 hp for three-phase operation at 240/480/600 V. Enclosure is rated NEMA 12/3R, withUL Listed certification.
Yes. It is designed for heavy three-phase loads, with HP ratings covering a broad range (25-60, 50-125, 60-150 hp at 240/480/600 V) and a 200A, 600V rating, making it well-suited for industrial motors and process equipment.
The DH664FDKV carries UL Listed certification and comes in a NEMA 12, NEMA 3R enclosure. It features Enhanced Visible-Blade for quick status checks and uses cartridge fuses for reliable protection in harsh environments.
Maintenance centers on cartridge fuse replacement and routine inspection of the six-wire connections. The device’s rugged galvanized steel enclosure and UL/NEMA ratings reduce downtime, improving uptime and lifecycle costs in heavy industrial settings.