Eaton DH366URKNLCR Heavy Duty Safety Switch - NEMA 3R
Part Number: DH366URKNLCR
Quick Summary
The Eaton DH366URKNLCR heavy duty safety switch isolates power safely for industrial equipment and control panels. Downtime and enclosure mismatches in harsh environments drive maintenance costs, so this switch is designed for robust field installation and long service life. UL Listed and housed in a NEMA 3R enclosure, it delivers reliable outdoor and harsh-environment performance. With Series K, three-pole operation and an unfused configuration, it simplifies wiring while maintaining safety, and the Cam-Lok reverse pin adds quick-connect reliability for faster commissioning and easier replacements.
Product Information
Extended Description
DH366URKNLCR Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 600A, 600V,3P, Unfused, Series K, NEMA 3R.
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH366URKNLCR
UPC
786685373133
Product Length/Depth
9.89 in
Product Height
21.69 in
Product Width
11.13 in
Product Weight
27 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 reverse pin
Type
Heavy Duty, Single-Throw
Amperage Rating
600A
Number Of Poles
Three-pole
Voltage rating
600 V
Enclosure
NEMA 3R
Fuse configuration
Unfused
Series
Series K
Commercial Distribution, Switching Devices, Volume 2, Tab 1
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
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Eaton Specification Sheet - DH366URKNLCR
Feature: Amperage rating of 600A with three-pole, single-throw construction. Benefit: Handles large motor loads and heavy startup currents while providing a clear isolation point, reducing fuse sizes and panel complexity in industrial power distribution. Application: Ideal for main disconnects on heavy machinery and production lines, improving reliability in manufacturing environments. Long-tail keywords: 600A safety switch, three-pole disconnect, heavy-duty industrial switch. Feature: NEMA 3R enclosure for outdoor and harsh indoor environments. Benefit: Weather-resistant protection that minimizes corrosion and ingress, lowering maintenance costs and extending service life. Application: Outdoor substations, weather-exposed control panels, and washdown areas in processing facilities. Long-tail keywords: NEMA 3R enclosure, outdoor safety switch, rugged enclosure. Feature: 600V, 600A ratings with unfused configuration. Benefit: Robust power control for high-demand circuits without redundant fusing, simplifying design and reducing operating costs. Application: Industrial power distribution systems and process lines requiring reliable isolation. Long-tail keywords: 600V disconnect, unfused safety switch, process line power control. Feature: Cam-Lok reverse pin for quick connections. Benefit: Speeds installation and maintenance with secure mating, reducing field wiring time and misalignment risk. Application: System upgrades, panel retrofits, and Series K assemblies in heavy-duty installations. Long-tail keywords: Cam-Lok connection, quick-connect safety switch, reverse pin feature. Feature: UL Listed certification and Series K design. Benefit: Regulatory compliance assurance and compatibility with Eaton ecosystem, simplifying procurement and service planning. Application: Regulated manufacturing environments and integrated plant controls. Long-tail keywords: UL Listed safety switch, Series K disconnect, industrial compliance.
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FAQs
The DH366URKNLCR is a three-pole, single-throw heavy duty safety switch rated for 600A at 600V and configured unfused in a Series K enclosure. It fits standard control panels, switchgear assemblies, and process lines that require a robust disconnect, with a NEMA 3R enclosure suitable for indoor or outdoor use. The Cam-Lok reverse pin simplifies mating with compatible blocks and enclosure interfaces, reducing field wiring steps and improving reliability during installation.
Key electrical specs include a 600A amperage rating, 600V voltage rating, three-pole construction, unfused configuration, and a single-throw arrangement. Designed for heavy-duty industrial power distribution, it provides a clear isolation point in process lines and panel assemblies. It is UL Listed and supports Series K installations, allowing straightforward integration with Eaton components and compatible accessories.
Yes. The DH366URKNLCR uses a NEMA 3R enclosure, delivering weather resistance suitable for outdoor and semi-exposed spaces. UL Listed certification confirms safety and compliance for industrial facilities. Its rugged construction is designed to withstand routine washdowns and harsh conditions, reducing maintenance and replacement costs while maintaining reliable power isolation in challenging environments.
Warranty follows Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. The DH366URKNLCR is UL Listed, confirming compliance with recognized safety standards for electrical equipment. These certifications, combined with the NEMA 3R enclosure rating, provide confidence for procurement and ongoing maintenance in regulated facilities.
Cam-Lok reverse pin provides a secure, quick-connect mechanism that simplifies mating with compatible components and enclosure interfaces, reducing field wiring time. It speeds commissioning, minimizes alignment errors during installation, and eases future maintenance or upgrades in Series K disconnect configurations used in heavy industrial lines.