Eaton DH364NWK316 Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH364NWK316
Quick Summary
Eaton DH364NWK316 is a heavy-duty fusible safety switch for safe isolation in industrial electrical systems. Operators confront corrosion, moisture, and downtime; this unit’s 316 stainless steel enclosure and NEMA 4X rating resist harsh conditions and extend service life. UL Listed and NEC 230.62(C) compliant with a corrosion-resistant 316 stainless enclosure, it supports robust protection in demanding facilities. Together with a 200 A rating and 600 V capability, it delivers reliable protection while minimizing maintenance costs and equipment downtime. Its three-pole, four-wire configuration with neutral and Class H fuse provisions simplifies wiring and enables precise protection for motor loads up to 50–150 hp, while easier installation and a rugged footprint support fast field deployment.
Product Information
Extended Description
DH364NWK316 Eaton: Eaton Heavy duty single-throw fused safety switch, Corrosion resistant, 200 A, NEMA 4X, Grade 316 stainless steel, 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
DH364NWK316
UPC
782116490080
Product Length/Depth
11.5 in
Product Height
34.38 in
Product Width
16 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.
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
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 → Business Impact → Application: Enclosure and material that uses 316 stainless steel with a NEMA 4X rating delivers superior corrosion resistance, reducing maintenance costs and extending service life in washdown, outdoor, and corrosive environments. This translates to lower downtime for food processing, chemical plants, and outdoor utility installations. Feature → Business Impact → Application: 200 A amperage rating with HP capability up to 50, 50/125, 150 hp at 480–600 V supports high-demand motor loads, enabling compliant protection across mid-size to large HVAC and pump applications without over-specifying equipment. Feature → Business Impact → Application: Class H fuse provision and fusible-with-neutral configuration provide precise, selective protection for three-phase systems, simplifying coordination with motor starters and reducing nuisance blows in demanding automation lines. Feature → Business Impact → Application: UL Listed and NEC 230.62(C) barrier compliance ensures regulatory alignment and safer, auditable installations in highly regulated facilities such as pharmaceuticals, data centers, and processing plants. Feature → Business Impact → Application: Three-pole, four-wire design and neutral connection streamline wiring in panels and switchgear, promoting quicker installation and easier testing during commissioning in industrial environments. Feature → Business Impact → Application: 11.5 in depth, 34.38 in height, 16 in width, and 61 lb weight provide a practical footprint for standard electrical rooms while allowing robust conductor sizing up to #6-300 kcmil Cu/Al, facilitating field wiring and future expansion.
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FAQs
To install the DH364NWK316, de-energize the panel, verify proper clearance for a 16 inch wide unit, and mount using standard hardware. Ensure neutral conductor is connected per the 4-wire configuration, then install the Class H fuse provisions and connect conductors to the appropriate terminals (#6-300 kcmil Cu/Al). Verify enclosure integrity and complete terminal torque checks during commissioning.
Key specs include a 200 A amperage rating, 600 V maximum voltage, and motor horsepower protection ranging from 50 to 150 hp (1/3 HP at 480 V, up to 600 V) depending on configuration. It is a three-pole, four-wire fusible switch with neutral and Class H fuse provisions for reliable motor protection.
Yes. It features a 316 stainless steel enclosure with a NEMA 4X rating, designed for corrosion resistance in harsh environments such as outdoor installations, washdown areas, and chemically aggressive facilities, ensuring long-term protection and reduced maintenance.
The DH364NWK316 is UL Listed and NEC 230.62(C) compliant, with a corrosion-resistant 316 stainless enclosure. These certifications ensure regulatory compliance, safer operation, and easier approvals in regulated industries like food processing, pharmaceuticals, and critical infrastructure.
This Eaton safety switch carries Eaton’s standard warranty policy, typically one year from installation or eighteen months from shipment, whichever comes first. For maintenance, focus on regular inspection of the enclosure for seals, fuse status checks, torque verification on terminals, and confirmation of neutral integrity to prevent unexpected outages.