Eaton DH264FWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH264FWK
Quick Summary
The Eaton DH264FWK heavy duty fusible safety switch safely isolates power for industrial equipment and service entrances. In corrosive environments, standard switches can corrode and fail, driving downtime and maintenance costs. UL Listed protection plus a NEMA 4X, 304 stainless steel enclosure delivers reliable performance in harsh plants. It features Class H fusing, fusible without neutral, and two-pole operation, making it ideal for service entrances and motor-control applications. With a 200A rating at 600V, it supports large conductors and rugged operations while offering straightforward installation and serviceability. This combination reduces total cost of ownership by increasing uptime, simplifying compliance, and improving safety across industrial processes.
Product Information
Extended Description
DH264FWK Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, 200 A, NEMA 4X, 304 stainless steel, Class H, Two-pole, Two-wire, 600 V, Max Hp: 50, 50 hp/50 hp (1PH @480,600 V TD/600 Vdc), #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH264FWK
UPC
782113206868
Product Length/Depth
37.5 in
Product Height
11.5 in
Product Width
19 in
Product Weight
43 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
Suitable for service entrance use with a neutral or ground lug kit installed
Enclosure
NEMA 4X
Enclosure material
304 stainless 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
Wire size
#6 AWG-300 kcmil Cu/Al
Amperage Rating
200A
HP rating - max
50, 50 hp/50 hp (1PH @480,600 V TD/600 Vdc)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
600 V
Product Category
Heavy Duty, Fusible without neutral
Feature: 200 A amperage rating and 600 V voltage rating provide robust power isolation for demanding industrial equipment. Business impact: supports high-load applications while ensuring safe startup and shutdown, reducing the risk of overload incidents and protecting downstream devices. Application: suitable for large pumps, conveyors, and motor-driven loads in manufacturing environments. Feature: NEMA 4X enclosure with 304 stainless steel construction offers corrosion resistance and washdown readiness. Business impact: longer service life in harsh environments lowers maintenance frequency and replacement costs. Application: ideal for outdoor, coastal, or chemically aggressive facilities. Feature: Class H fuse provision and fusible without neutral configuration enable precise coordination and safe interruption of fault currents. Business impact: strengthens protection schemes and simplifies compliance with reduced downtime for fuse changes. Application: service entrance and MCC environments. Feature: Two-pole design with #6 AWG-300 kcmil Cu/Al wire range supports flexible installation and future expansion. Business impact: minimizes rework and stock requirements while accommodating diverse conductor sizes. Application: panelboards, switchgear, and control cabinets in industrial plants. Feature: UL Listed and protection notes for service entrance use with neutral or ground lug kits installed. Business impact: certified reliability and installation versatility reduce project risk. Application: turnkey installations in regulated facilities and process lines.
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FAQs
The DH264FWK is designed for service entrance use with a neutral or ground lug kit installed. Ensure a 200 A, 600 V circuit and two-pole configuration, then mount the enclosure per NEMA 4X guidelines. Use conductors within the #6 AWG to 300 kcmil Cu/Al range and follow UL wiring practices for safe termination and ease of future maintenance.
This switch supports up to 200 A, with a 600 V maximum rating. It is a two-pole fusible device with Class H fuse provision and a fusible without neutral configuration. It is suitable for up to 50 hp per phase in single-phase 480/600 V conditions and accommodates Cu/Al conductors from #6 AWG to 300 kcmil.
Yes. The enclosure is NEMA 4X and constructed from 304 stainless steel, delivering corrosion resistance in challenging environments. This makes it suitable for outdoor, washdown, and chemically aggressive facilities while maintaining electrical safety and enclosure integrity.
The DH264FWK is UL Listed, providing recognized safety assurance for electrical installations. Its NEMA 4X enclosure rating further supports compliance with environmental protection requirements in demanding industrial settings.
The combination of corrosion resistance, robust electrical ratings, and a long service life reduces maintenance frequency and downtime. Its compatibility with neutral/ground lug kits simplifies installation and future upgrades, delivering lower total cost of ownership and faster project commissioning.