Eaton DH364NDKLW Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH364NDKLW
Quick Summary
The Eaton DH364NDKLW heavy duty fusible safety switch provides safe isolation for 3-phase industrial power circuits. It addresses the common pain point of sudden outages and arc-flash exposure by delivering reliable protection in demanding environments. Key certifications include UL Listed status, NEC 230.62 barrier compliance, and a rugged NEMA 12/3R enclosure, offering durable performance indoors or in damp locations. Designed for 600 V systems, this switch supports #6-300 kcmil Cu/Al conductor sizes and Class H fuse provisions, enabling quick field modifications and safe maintenance. By pairing robust protection with straightforward installation and maintenance, it helps facilities improve safety, regulatory compliance, and total cost of ownership in electrical protection and circuit control.
Product Information
Extended Description
DH364NDKLW Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blades, 200 A, NEMA 12/3R, Painted galvanized 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
DH364NDKLW
UPC
782114196465
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
Catalog Notes
For 2-pole applications; use outside poles of 3-pole switch. Can be field modified to meetNEMA 3R rainproof requirements when a factory provided drain hole is opened.
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized 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 12/3R
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
Feature: Three-pole, four-wire design with neutral. Business Impact: Enables safe, code-compliant isolation and straightforward integration with modern control circuits. Application: Motor feeders and panel disconnects in 600 V systems. Feature: NEMA 12 and NEMA 3R enclosure (painted galvanized steel). Business Impact: Protects against dust, moisture, and impact, extending service life and reducing unscheduled downtime. Application: Indoor and damp locations; field modification can make it rainproof for outdoor use. Feature: 200 A amperage rating with HP up to 50, 50/125, 150 hp (1/3PH @480, 600 V). Business Impact: Right-sized protection minimizes over- or under-protection, improving motor efficiency and lifecycle costs. Application: Heavy-duty motor control in manufacturing lines. Feature: Class H fuse provision and fusible with neutral configuration. Business Impact: Enhances fault isolation and coordination with compatible fuses, reducing arc-flash exposure and maintenance risk. Application: Critical power feeds and up-stream protection in process lines. Feature: 600 V rating and compatible Cu/Al conductors up to #6-300 kcmil. Business Impact: Facilitates flexible wiring schemes and future upgrades without changing switchgear. Application: Industrial plants with evolving electrical loads. Feature: Field-modifiable for NEMA 3R rainproof readiness via drain hole option. Business Impact: Extends outdoor deployment without special enclosure replacement, lowering retrofit costs. Application: Outdoor or semi-exposed installations with minimal downtime.
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FAQs
Yes. The DH364NDKLW is designed for three-phase, 600 V power circuits and supports a three-pole, four-wire configuration with a neutral, making it suitable for motor feeders and panel disconnects in industrial facilities. Ensure proper wiring per NEC guidelines and use Cu/Al conductors within #6-300 kcmil ratings.
The switch is rated for 200 A and supports motor horsepower up to 50, 50/125, and 150 hp for 1/3-phase operation at 480/600 V. This sizing helps prevent overcurrent events while accommodating a range of motor loads, reducing nuisance tripping and improving overall equipment reliability.
Yes, it features a NEMA 12 enclosure and can be field modified for NEMA 3R rainproof use if a factory-provided drain hole is opened. This flexibility enables outdoor or damp-area installations with proper protection against moisture and dust.
This unit is UL Listed and complies with NEC barrier requirements (NEC 230.62). The enclosure rating supports protected operation in harsh environments, and the design aligns with typical industrial electrical protection and circuit control standards.
The DH364NDKLW accepts Cu/Al conductors from #6 to 300 kcmil and features a three-pole, four-wire configuration with a neutral. This provides flexibility for modern control systems and supports field upgrades without changing the switch.