Eaton DH364FWKW Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH364FWKW
Quick Summary
The Eaton DH364FWKW heavy duty fusible safety switch isolates electrical circuits in industrial panels and service entrances. Maintenance teams face corrosion, downtime, and wiring constraints in rugged sites—this switch delivers robust protection and straightforward installation. UL Listed, NEMA 4X stainless steel enclosure, and Class H fuse provisions align with safety, maintenance, and compliance requirements. Designed for service entrances and heavy-duty equipment, it supports 200A, 600V systems with reliable, corrosion‑resistant operation. For panel builders and electrical contractors, the enclosure accepts neutral or ground lug kits, streamlining integration with existing builds. The 37.5 inch depth, 19 inch width, and 11 inch height translate to predictable fitment in standard electrical rooms, reducing field rework. With a 55 lb weight and sturdy 304 stainless steel construction, you gain durability without sacrificing serviceability.
Product Information
Extended Description
DH364FWKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, 200 A, NEMA 4X, 304 stainless steel, Class H, Three-pole, Three-wire, 600 V, Max Hp: 50, 50/ 125, 150 hp (1/3PH @480, 600 V), #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH364FWKW
UPC
786679160992
Product Length/Depth
37.5 in
Product Height
11 in
Product Width
19 in
Product Weight
55 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
Three-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
200A
HP rating - max
50, 50/ 125, 150 hp (1/3PH @480, 600 V)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
600 V
Product Category
Heavy Duty, Fusible without neutral
Enclosure and material provide corrosion resistance in harsh environments. This translates to reduced maintenance downtime and long service life for outdoor or washdown applications in water treatment, food processing, and outdoor substations. The 200 A, 600 V ratings enable safe main-disconnect performance for three‑phase systems, yielding simpler wiring schemes and faster installation for manufacturing lines and heavy equipment setups. Class H fuse provision with fusible without neutral offers reliable protective coordination and straightforward fuse replacement, improving uptime and safety during field maintenance. The three-pole, three-wire design with generous dimensions (37.5 in depth, 19 in width) delivers a predictable footprint, easing retrofit projects and standardizing installation in machine enclosures and electrical rooms. UL Listed certification and compatibility with neutral or ground lug kits maximize compliance, while 304 stainless steel construction provides durability without compromising serviceability, a balance appreciated by integrators and installers.
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FAQs
Install with a neutral or ground lug kit (as catalog notes permit) and verify enclosure mounting in a suitable area with protection for outdoor or washdown exposure. The 37.5 in depth and 19 in width require standard backplane or panel envelope clearance and appropriate mounting hardware.
This unit is a 200 A, 600 V, three‑pole, three‑wire, fusible safety switch with Class H fuses and fusible without neutral configuration, designed for heavy‑duty service entrances and three‑phase circuits.
Yes. It uses a 304 stainless steel enclosure rated NEMA 4X, providing corrosion resistance suitable for outdoor installations and washdown areas.
The unit is UL Listed and features a NEMA 4X stainless enclosure, with a fuse provision that supports reliable protection in industrial environments.
Durable corrosion‑resistant construction and robust enclosure reduce field maintenance and replacements, while the reliable Class H fuse protection minimizes downtime and extends service life for critical processes.