Eaton DH366NRKLC Safety Switch - NEMA 3R Cam-Lok
Part Number: DH366NRKLC
Quick Summary
Eaton DH366NRKLC Safety Switch is a heavy-duty quick-connect switch for rugged industrial power distribution. For engineers and maintenance teams, installation delays and unreliable neutral connections are common pain points. This UL Listed, NEMA 3R enclosure-rated unit delivers robust protection with 600A, 600V three-phase capability and a fusible with solid neutral, enhancing reliability in harsh environments. Beyond compliance, it enables fast wiring with Cam-Lok connections and scalable configuration, helping facilities reduce downtime, improve safety, and lower total cost of ownership while supporting future expansion.
Product Information
Extended Description
DH366NRKLC Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 600A, 600V,3P, Fusible with solid neutral, Series K, NEMA 3R, Cam-Lok
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH366NRKLC
UPC
786685372846
Product Length/Depth
32.87 in
Product Height
74.34 in
Product Width
16.1 in
Product Weight
370 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
Special features
Cam-Lok
Type
Heavy Duty, Single-Throw
Amperage Rating
600A
Number Of Poles
Three-pole
Voltage rating
600 V
Enclosure
NEMA 3R
Fuse configuration
Fusible with solid neutral
Series
Series K
Commercial Distribution, Switching Devices, Volume 2, Tab 1
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
Eaton Specification Sheet - DH366NRKLC
Feature → Business Impact → Application: Heavy-duty, 600A rated, three-pole switch delivers high current capability with proven reliability, reducing the risk of nuisance trips and equipment damage in demanding processes. This translates to improved uptime, lower maintenance costs, and safer motor starts in manufacturing lines and material handling systems. Feature → Business Impact → Application: Fusible with solid neutral provides controlled fault clearing and predictable timing, enabling precise protection coordination downstream and minimizing arc-flash exposure during maintenance in control cabinets and outdoor enclosures. Feature → Business Impact → Application: NEMA 3R enclosure and weather-resistant construction extend service life in outdoor electrical rooms and harsh industrial environments, reducing enclosure wear and replacement cycles while supporting outdoor installations. Feature → Business Impact → Application: Cam-Lok quick-connect connectivity speeds up installation and reduces field wiring errors, streamlining commissioning in new builds and retrofits for food processing, packaging, and water treatment facilities. Feature → Business Impact → Application: Series K configuration and UL Listed certification offer compatibility with Eaton and third-party motor control centers, enabling simpler spares management, standardized maintenance procedures, and consistent safety compliance across facilities. Feature → Business Impact → Application: Compact footprint and weight considerations (relative to its capacity) support retrofit projects in limited spaces, improving overall project timelines and reducing crane and handling costs during installation.
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FAQs
For correct installation, use a three-phase feed to the three-pole fusible switch, ensure proper clearance around the 32.87 in depth and 74.34 in height, and secure the unit to a sturdy surface. Cam-Lok connectors simplify wiring, while UL Listed compliance ensures safe operation in a NEMA 3R enclosure. Verify neutral continuity for solid neutral configurations and follow Eaton installation guidelines.
The DH366NRKLC is rated for 600A, 600V, three-pole operation with fusible protection and a solid neutral. This combination supports robust motor starting, controlled fault clearing, and reliable protection coordination in demanding industrial circuits. Compatible with Series K assemblies, it ensures dependable performance in switchgear, MCCs, and outdoor switch locations.
Ideal for manufacturing, packaging, material handling, water treatment, and process industries where durable, high-current switching is required. The NEMA 3R enclosure supports outdoor or semi-exposed installations, while Cam-Lok enables quick field connections, reducing commissioning time in retrofit projects and new builds alike.
The DH366NRKLC carries UL Listed certification, indicating conformance to recognized safety standards. Its NEMA 3R enclosure rating further confirms suitability for outdoor and semi-protected environments. These certifications support compliant installation, safer maintenance practices, and peace of mind when integrating into critical power distribution networks.
Investing in the DH366NRKLC yields shorter downtime during installation thanks to Cam-Lok wiring, reduced field wiring mistakes, and longer service life from a rugged NEMA 3R enclosure. The 600A capacity supports scalable loads, while the UL Listed status simplifies compliance audits, contributing to lower total cost of ownership over the equipment lifecycle.