Eaton DH366NWK316 Heavy Duty Fusible Switch - NEMA 4X
Part Number: DH366NWK316
Quick Summary
Eaton DH366NWK316 heavy duty fusible safety switch provides safe power control for industrial motor and switchgear installations. In harsh environments, corrosion and wiring failures threaten uptime, so a robust, corrosion-resistant enclosure is essential. UL Listed with NEC 230.62 compliant barrier and a NEMA 4X stainless enclosure delivers reliable protection and regulatory peace of mind. The 600 A, 600 V, three-pole four-wire design with Class H fuses supports large motors while enabling safer, scalable protection across plant networks. This translates to lower maintenance costs, reduced downtime, and easier compliance documentation for industrial equipment owners. Its 316 stainless housing withstands washdown and outdoor exposure.
Product Information
Extended Description
DH366NWK316 Eaton: Eaton Heavy duty single-throw fused safety switch, Corrosion resistant, 600 A, NEMA 4X, Class H, Neutral, Three-pole, Four-wire, 600 V, Max Hp: 200, 400, 500 hp (3PH @240,480,600 V), (1)#2-(1)600 kcmil; and (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH366NWK316
UPC
782116490103
Product Length/Depth
14.25 in
Product Height
63 in
Product Width
24 in
Product Weight
203 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.
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Enclosure
NEMA 4X
Enclosure material
316 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
600A
HP rating - max
200, 400, 500 hp (3PH @240,480,600 V)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
Feature: 316 stainless steel enclosure and NEMA 4X rating provide superior corrosion resistance and washdown capability. Business Impact: Extended service life in harsh environments reduces maintenance cycles and replacement costs. Application: Ideal for outdoor, coastal, and chemical processing facilities where durability is critical. Feature: Fuse class provision with Class H fusing and neutral. Business Impact: Reliable fault interruption and safe neutral return improve protection for large motors and associated loads. Application: Suitable for high-current, three-phase motor circuits in heavy industry. Feature: Three-pole, four-wire configuration rated to 600 V and 600 A with HP ratings up to 500 hp (3PH @240,480,600 V). Business Impact: Scalable protection for a wide range of motor sizes, enabling equipment standardization and reduced part variety. Application: Large pump, conveyor, and compressor systems in manufacturing plants. Feature: Conductor accommodations up to (1)#2-(1)600 kcmil Cu/Al and (1)#1/0-(1)750 kcmil Cu/Al. Business Impact: Flexible wiring options simplify installation, lower labor costs, and support future capacity upgrades. Application: Heavy-duty feeders and power distribution panels. Feature: UL Listed, NEC 230.62 compliant barrier. Business Impact: Ensures regulatory compliance and safe isolation in control panels, reducing risk and safeguarding personnel. Application: Industrial facilities with strict safety and code requirements. Feature: 14.25 in depth, 24 in width, 63 in height; 203 lb enclosure with 316 stainless construction. Business Impact: Predictable footprint and solid mounting facilitate retrofit and new install planning. Application: Shop floors and outdoor installations where space and protection are both considerations.
Get a Quick Quote for a Eaton DH366NWK316
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 DH366NWK316?
Enquire Now
FAQs
The DH366NWK316 features a 14.25 in depth, 24 in width, and 63 in height steel enclosure, weighing 203 lb. It is a three-pole, four-wire unit with 316 stainless steel NEMA 4X housing designed for rugged environments. Plan for adequate access for wiring, ensure proper clearance for 600 A conductors, and follow NEC barrier requirements during mounting and connection.
This switch provides a 600 A amperage rating and supports 600 V three-phase systems. It is a three-pole, four-wire configuration with a Class H fuse provision and a neutral. HP protection covers 200, 400, and 500 hp at common industrial voltages (240, 480, 600 V), suitable for large motor loads with high interrupt requirements.
Yes. The unit uses a NEMA 4X stainless enclosure for corrosion resistance and has UL Listing with NEC 230.62 barrier compliance. Its design supports three-pole, four-wire connections and large motor protection, making it suitable for washdown areas, outdoor installations, and harsh industrial environments where reliability is critical.
The DH366NWK316 is UL Listed and features a NEC 230.62 compliant barrier, ensuring safety and code compliance in control panels. These certifications validate safe operation under demanding industrial conditions and help streamline regulatory approvals during project execution.
Eaton provides a warranty policy described as 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This, combined with access to Eaton specification sheets and product literature, supports ongoing maintenance planning and parts availability for long-term ROI.