Eaton DH366NRKLCR Safety Switch - 600A/600V Series K NEMA 3R
Part Number: DH366NRKLCR
Quick Summary
DH366NRKLCR safety switch provides heavy-duty fault isolation for three-phase power systems in demanding industrial environments. Maintenance teams often struggle with slow disconnects or brittle wiring inside control panels, leading to unplanned downtime. Key certifications and ratings—UL Listed, NEMA 3R enclosure, and Series K construction—support reliable operation in harsh locations. With a 600A, 600V rating and fusible with solid neutral, this switch enables safer maintenance and faster service while staying compatible with standard Eaton accessories and control panels. This combination delivers improved uptime, safer commissioning, and easier field wiring for industrial deployments.
Product Information
Extended Description
DH366NRKLCR Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 600A, 600V,3P, Fusible with solid neutral, Series K, NEMA 3R, Cam-Lok reverse pin
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH366NRKLCR
UPC
786685372853
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 reverse pin
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 - DH366NRKLCR
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Heavy-duty 3-pole design supports high-current disconnects in demanding processes. Benefit: Ensures reliable fault isolation under load, reducing the risk of arc flash and enabling safer maintenance. Application: Industrial machinery and process lines where 3-phase switching is common. Feature: 600A current rating with 600V maximum voltage. Benefit: Handles robust electrical distributions, enabling scalable protection for mid- to large-size panels and switchgear assemblies. Application: Main disconnects in manufacturing cells and assembly lines. Feature: Fusible with solid neutral. Benefit: Simplifies wiring and enhances fault-clearing performance, improving protection coordination and reducing downtime during fuse changes. Application: Control circuits requiring a solid reference and predictable protection. Feature: Cam-Lok reverse pin. Benefit: Delivers faster, more secure field connections with fewer mis-wirings; reduces installation time and field testing. Application: Quick-connect wiring in rugged environments. Feature: NEMA 3R enclosure; Series K construction. Benefit: Enclosures are weather-resistant and ready for outdoor or semi-outdoor installations, supporting outdoor packaging lines and dock areas. Application: Outdoor substations, loading bays, and exposed process equipment. Feature: UL Listed certification and robust reliability. Benefit: Compliance confidence, standardized safety performance, and reduced risk during audits. Application: Any regulated facility requiring verified electrical safety and performance.
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FAQs
DH366NRKLCR is a three-pole, fusible safety switch rated for 600A and 600V with a solid neutral. It uses Cam-Lok reverse pin connections for rapid, secure field wiring and is designed to integrate with standard Eaton accessories and Series K bus/gear configurations. Check panel clearance, mounting footprint, and alignment with your control enclosure to ensure seamless installation.
Key specs include UL Listed certification, a NEMA 3R enclosure rating, 3P configuration, 600A amperage, and 600V voltage rating. The device is fusible with solid neutral, and incorporates Cam-Lok reverse pin connections to minimize wiring errors during installation and maintenance, supporting safer fault isolation.
Yes. The DH366NRKLCR uses a NEMA 3R enclosure, which provides weather resistance for outdoor or semi-exposed locations. This makes it appropriate for outdoor substations, loading docks, or process lines where environmental protection and reliability are required.
Warranty follows Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. For support, consult Eaton’s technical resources and partner network for replacement parts, field service guidance, or product updates related to DH366NRKLCR.
Cam-Lok reverse pin enables faster, more reliable connector mating with reduced mis-wiring. It shortens wiring time, improves connection security, and supports safer disconnection during maintenance, which translates to lower labor costs and reduced downtime on critical lines.