Eaton DH327URKNLCR Heavy Duty Safety Switch - UL Listed
Part Number: DH327URKNLCR
Quick Summary
Eaton DH327URKNLCR heavy duty safety switch provides quick-connect control for three-phase power in industrial environments. Projects often face unreliable switching, costly downtime, and complex maintenance in rugged facilities. UL Listed certification and a rugged NEMA 3R enclosure back up dependable performance in harsh conditions, while the Series K design supports scalable protection for growing facilities. This solution is compatible with 600 V systems and up to 800 A, making it a practical main-disconnect for motors, conveyors, and processing lines. By standardizing on this switch, maintenance teams reduce field failures and procurement lead times with a single, compliant device that integrates with Eaton's wider protection ecosystem.
Product Information
Extended Description
DH327URKNLCR Eaton: Eaton DH, 3P 4W+G, 240V, 800A, NON-FUSED, SOLID NEUT, NEMA 3R
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH327URKNLCR
UPC
786679176917
Product Length/Depth
32.6 in
Product Height
73.34 in
Product Width
16.1 in
Product Weight
540 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
800A
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
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - DH367URKNLCR
Feature: Quick-connect design enables rapid wiring and field service. Benefit/Business Impact: Reduces installation labor and commissioning time, improving project timelines and lowering total cost of ownership. Application: Ideal for main-disconnect applications in motor drives and processing lines that require fast, reliable isolation. Feature: Cam-Lok reverse pin for secure, plug-in connections. Benefit/Business Impact: Improves connection reliability, minimizes arcing risk, and simplifies maintenance with tool-free, reversible pins. Application: Beneficial in rugged environments where vibration or routine reconfiguration occurs. Feature: High amperage and voltage ratings (800 A, 600 V). Benefit/Business Impact: Supports large motor loads and heavy-duty distribution without frequent replacements, delivering better uptime and energy management. Application: Main switch in heavy industry facilities with demanding load profiles. Feature: NEMA 3R enclosure design. Benefit/Business Impact: Provides weather-resistant, outdoor-ready protection, reducing enclosure-related downtime and corrosion concerns. Application: Outdoor installations, dusty or wash-down prone environments. Feature: Unfused fuse configuration. Benefit/Business Impact: Simplifies integration with existing protection schemes and reduces maintenance steps by avoiding fuse management. Application: Utility and plant-wide disconnect points where a separate protection scheme is already in place. Feature: Series K platform with three-pole construction. Benefit/Business Impact: Standardized, scalable protection across multiple panels and zones, improving procurement consistency. Application: Coordinated protection in multi-line systems with coordinated safety interlocks.
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FAQs
For three-phase systems, plan for three-pole mounting with a 32.6 in depth, 73.34 in height, and 16.1 in width envelope. The unit weighs 540 lb and is suitable for 600 V circuits up to 800 A. Ensure mounting supports and clearances match the enclosure’s NEMA 3R rating and provide appropriate service access and wiring containment. Use appropriate lugs and termination methods compatible with Cam-Lok reverse pin connections for a secure, code-compliant installation.
Cam-Lok reverse pin enables quick, reliable plug-in connections that resist vibration and arcing. This reduces downtime during maintenance, simplifies field reconfigurations, and supports consistent contact integrity over the switch’s life. In rugged industrial settings, the feature improves safety by ensuring that disconnection and reconnection occur with predictable, secure engages.
Yes. The unit uses a NEMA 3R enclosure, designed for outdoor and exposure-prone environments. This rating provides rain and ice protection and resistance to corrosion from typical industrial dust and environmental factors. For external installations, verify proper mounting, ventilation, and clearance to maintain enclosure integrity and safe operation.
The DH327URKNLCR is UL Listed, addressing safety and compliance with widely adopted electrical standards, which simplifies specifications and approvals in many regions. While CE or IP ratings aren’t listed in the provided data, the UL Listing combined with the NEMA 3R enclosure supports reliable, code-compliant operation in typical manufacturing environments. Confirm local requirements and any additional certifications as needed for your project.
The product warranty follows Eaton’s policy, offering one year from installation or eighteen months from shipment, whichever occurs first. Maintenance best practices include periodic inspection of the Cam-Lok connections, verification of enclosure integrity, and monitoring for any signs of wear or overheating at the switch terminals. Establish a maintenance interval aligned with your plant’s preventive maintenance program to sustain performance.