Eaton DH366URKNLPR Heavy Duty Safety Switch - NEMA 3R
Part Number: DH366URKNLPR
Quick Summary
Eaton quick connect heavy duty safety switch provides reliable circuit control for high-current enclosures in industrial facilities, enabling safer, faster switchgear operations. Engineers and procurement teams often battle extended installation times, miswiring, and maintenance downtime that erode project margins. This DH366URKNLPR carries UL Listed safety certification and a rugged NEMA 3R enclosure, plus Posi-Lok reverse pin for secure, vibration-resistant engagement. Designed for 600A at 600V across three poles, it offers straightforward wiring, durable construction, and predictable performance—essential for compliant panel builds, field serviceability, and lifecycle cost reduction.
Product Information
Extended Description
DH366URKNLPR Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 600A, 600V,3P, Unfused, Series K, NEMA 3R, Posi-Lok reverse pin.
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH366URKNLPR
UPC
786685373157
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
Posi-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
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DH366URKNLPR
600A capacity, three-pole design, and 600V rating deliver the electrical headroom needed for demanding motor loads and feeders, reducing conductor heating and protecting against accidental overload. This translates to improved system uptime and safer start-up sequences in manufacturing lines and equipment rooms. The DH366URKNLPR is designed for straightforward wiring in new installs or retrofit projects, helping contractors meet tight commissioning timelines. Posi-Lok reverse pin provides a secure, vibration-resistant engagement, minimizing the risk of accidental disengagement and improving long-term reliability in harsh environments. The NEMA 3R enclosure supports outdoor and dusty environments, enhancing protection against weathering and corrosion while simplifying field installation. UL Listed certification reinforces compliance with safety standards, while the unfused design offers flexible protection strategy for coordinated electrical protection schemes. Integration with Series K components simplifies stocking, maintenance, and future upgrades, delivering predictable lifecycle costs and reduced total cost of ownership. This switch is particularly well-suited for panel builders and OEMs seeking robust, industry-grade performance with straightforward installation and minimal downtime.
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FAQs
Plan for three-pole mounting in a suitable enclosure, with spacing to accommodate the 74.34 in height and 32.87 in depth profile. Ensure panel cutouts and wiring routes support 600V circuits and the Series K configuration. Utilize the Posi-Lok reverse pin for secure engagement and verify UL Listed compliance during commissioning to sustain safety and reliability.
Yes. The device is a three-pole, unfused, 600A safety switch rated for 600V, making it suitable for three-phase distribution and motor-control applications. It integrates with standard industrial switchgear in 600V networks, and its Series K design ensures compatibility with Eaton’s ecosystem of protection devices for streamlined replacement and upgrades.
This switch excels in panel boards, outdoor substations, and heavy equipment enclosures where high current and durable protection are required. Its NEMA 3R enclosure and UL Listed certification make it appropriate for harsh or dusty environments, while the 600A capacity handles demanding motor loads without frequent replacement or rewiring.
The DH366URKNLPR carries UL Listed certification, ensuring adherence to recognized electrical safety standards. Its NEMA 3R enclosure rating supports outdoor or damp locations, contributing to compliant installations in varied environments. While CE or SIL ratings are not specified for this model, UL compliance plus rugged construction provides strong regulatory alignment for many industrial applications.
The device reduces downtime through reliable, durable construction and quick-connect installation that speeds commissioning. Its Posi-Lok engagement minimizes maintenance calls due to disengagement, and the rugged NEMA 3R enclosure tolerates outdoor use, lowering replacement costs. Overall, lifecycle costs drop via extended service intervals, fewer field tweaks, and predictable performance in demanding facilities.