Eaton DH364NWKW Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH364NWKW
Quick Summary
Eaton DH364NWKW heavy duty fusible safety switch provides safe, reliable isolation for three-phase motor circuits up to 600 V in industrial environments. Operators frequently contend with corrosion, outdoor exposure, and blade visibility checks; this unit mitigates those pain points with a 304 stainless steel enclosure and enhanced visible blades. UL Listed and NEMA 4X rated, the switch delivers robust protection in harsh environments, while the Class H fuse provision and neutral wiring support reliable motor protection. With straightforward installation, predictable lifecycle, and a compact footprint for 11.63 in depth and 35.38 in height, it helps facilities reduce downtime. By combining rugged safety features with practical installation benefits, it supports uptime, compliance, and lower maintenance costs for OEMs and integrators in power distribution.
Product Information
Extended Description
DH364NWKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, enhanced visible blades, 200 A, NEMA 4X, Class H, Neutral, Three-pole, Four-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
DH364NWKW
UPC
782114140789
Product Length/Depth
11.63 in
Product Height
35.38 in
Product Width
15.5 in
Product Weight
61 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
For 2-pole applications; use outside poles of 3-pole switch
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
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 with neutral
Feature: Amperage rating and HP range translate to proper motor protection and lifecycle efficiency. The DH364NWKW is rated for 200 A and supports 50/125/150 hp (1/3PH @480, 600 V). Business impact: Reduces nuisance trips and motor wear, lowering downtime and repair costs in high‑demand processes. Application: Suitable for conveyors, pumps, and process equipment in manufacturing and distribution facilities. Feature: Corrosion‑resistant enclosure material. Enclosure uses 304 stainless steel with NEMA 4X protection. Business impact: Enables reliable operation in washdown, humidity, and corrosive environments, extending service life and reducing maintenance cycles. Application: Outdoor panels, food & beverage, chemical plants, and offshore facilities. Feature: Fuse class provision and neutral wiring. Class H fuse protection with neutral allows safe isolation and full load management. Business impact: Improves fault handling and protection for critical motors, minimizing unscheduled outages. Application: Three‑pole, four‑wire power distribution configurations in industrial plants. Feature: Enclosure rating and rugged construction. NEMA 4X enclosure plus corrosion‑resistant construction supports outdoor installation and tough environments. Business impact: Simplifies compliance with environmental and safety standards while reducing enclosure maintenance needs. Application: Plants with washdowns, dust, or temperature variance. Feature: Installation footprint and dimensions. 11.63 in depth, 35.38 in height, 15.5 in width, and 61 lb weight. Business impact: Predictable installation in existing racking or service bays, lowering retrofit costs and enabling faster project timelines. Application: Retrofit and new builds in motor control centers and switchgear rooms. Feature: Certifications and warranty. UL Listed with a one-year warranty from installation or 18 months from shipment. Business impact: Provides risk mitigation, clear service expectations, and total cost of ownership certainty. Application: Institutional facilities, OEMs, and system integrators seeking compliant protection.
Get a Quick Quote for a Eaton DH364NWKW
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton DH364NWKW?
Enquire Now
FAQs
The DH364NWKW is a three-pole, four-wire switch with neutral and a 200 A rating, designed for 600 V systems. It fits standard low‑voltage distribution enclosures that accommodate NEMA 4X stainless steel assemblies. Its exterior dimensions (11.63 in L, 35.38 in H, 15.5 in W) support typical panel cutouts and mounting footprints in industrial MCCs and switchgear rooms.
This unit provides a 200 A amperage rating and supports motor HP up to 50, 125, and 150 hp (1/3 PH at 480–600 V). It is a three-pole, four-wire fusible switch with Class H fusing and neutral, designed for reliable motor protection and fault isolation in demanding environments.
Yes. The DH364NWKW features a 304 stainless steel enclosure rated NEMA 4X, offering superior corrosion resistance and washdown compatibility. It’s suitable for outdoor installations, chemical plants, and other harsh settings where reliable isolation and durable protection are essential.
The product is UL Listed and is designed to meet industrial safety standards for harsh environments. The NEMA 4X enclosure further supports regulatory compliance for outdoor and washdown applications, giving engineers confidence in installation across sector-specific safety requirements.
The corrosion-resistant enclosure and robust fusion system reduce maintenance intervals and downtime, extending motor protection lifecycle. A one-year warranty from installation (or eighteen months from shipment) provides predictable coverage, improving total cost of ownership for facilities managers and system integrators while supporting faster return on investment.