Eaton DH321URKLC Quick Connect Safety Switch - Cam-Lok
Part Number: DH321URKLC
Quick Summary
Eaton quick connect heavy duty safety switch provides reliable isolation for three-phase electrical systems in industrial facilities. For engineers and procurement teams, the challenge is delivering dependable, code-compliant protection that installs quickly without sacrificing safety. This model carries UL Listed certification and a NEMA 3R enclosure, offering weather-resistant reliability for outdoor and harsh environments, while Cam-Lok wiring supports fast, secure connections. With a robust 100A, 600V three-pole design in Series K, it reduces downtime and simplifies maintenance. The business value is clear: safer shutdowns, faster installations, and fewer spare parts needed for demanding industrial applications.
Product Information
Extended Description
DH321URKLC Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 30A, 240V,3P, Unfused, Series K, NEMA 3R, Cam-Lok
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH321URKLC
UPC
786679174715
Product Length/Depth
39 in
Product Height
13.68 in
Product Width
18.57 in
Product Weight
85 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
100A
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
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DH363URKLC
Feature → Business Impact → Application: Cam-Lok quick connect enables fast, tool-free wiring, reducing commissioning time and minimizing unplanned downtime on assembly lines and outdoor equipment. This translates to higher uptime, lower labor costs, and repeatable, reliable electrical isolation for critical machinery. Feature → Application: NEMA 3R enclosure provides weather-proof protection, enabling safe outdoor and semi-enclosed installations in warehouses, parking structures, or exterior switchgear enclosures. Business impact includes improved safety compliance and reduced risk from environmental ingress. Feature → Application: 100A, 600V, three-pole configuration supports robust motor starters and distribution panels, delivering dependable fault isolation for multi-motor drives and high-load circuits with predictable performance under load. Business impact includes predictable short-circuit protection and simplified panel design for OEMs and system integrators. Feature → Application: Unfused fuse configuration offers straightforward wiring for standard control circuits, reducing complexity during retrofits and new installations and supporting easier component sourcing. Business impact includes lower installation risk and faster maintenance. Feature → Application: Series K heavy duty construction ensures durability in demanding environments, translating to longer service life, fewer replacements, and lower total cost of ownership for critical process lines. Application in manufacturing lines and outdoor substations benefits from extended lifecycle and reliable operation. Feature → Application: UL Listed certification plus NEMA 3R enclosure aligns with stringent industrial codes and environmental requirements, providing confidence for compliance audits, capital planning, and mill-wide electrical protection strategies. Business impact includes smoother procurement, insurance considerations, and risk mitigation across facilities.
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FAQs
The DH321URKLC supports three-pole operation and Cam-Lok connections for fast, secure wiring. To install, ensure your panel is rated for 600 V and 100 A, mount the enclosure in a NEMA 3R-rated environment, and follow Eaton’s wiring guidelines for unfused configurations. Proper torque and terminal seating are essential for reliable connections, and Cam-Lok interfaces simplify future maintenance by reducing terminal block complexity.
Key specs are 100A amperage rating, 600V voltage rating, three-pole configuration, unfused fuse configuration, and a NEMA 3R outdoor-rated enclosure. These features provide dependable isolation for high-load, three-phase systems, minimize arc exposure, and support safe operation in harsh environments. UL Listed certification further confirms compliance with safety standards, aiding regulatory audits and installation quality.
Yes. The DH321URKLC uses a NEMA 3R enclosure designed for outdoor or semi-exposed installations, offering rain and dust resistance. Combined with UL Listed compliance and a rugged three-pole build, it’s well-suited for exterior switchgear, loading docks, and outdoor industrial facilities where durable protection and reliable performance are critical.
This switch is UL Listed, indicating adherence to recognized safety standards for electrical equipment. The NEMA 3R enclosure rating further supports use in outdoor or damp environments. These certifications simplify regulatory approvals, insurance considerations, and procurement by confirming safety, reliability, and suitability for harsh industrial settings.
The DH321URKLC’s rugged Series K construction, Cam-Lok connectivity, and outdoor-rated enclosure contribute to longer service life and reduced maintenance cycles. The UL Listing and robust protection reduce downtime during outages and maintenance, while faster installation lowers labor costs during commissioning and retrofits, delivering a favorable total cost of ownership in high-demand industrial environments.