Eaton DH227NRKLPR Safety Switch - NEMA 3R, Heavy Duty
Part Number: DH227NRKLPR
Quick Summary
Eaton DH227NRKLPR safety switch provides heavy-duty motor-control protection for industrial equipment and feeders. Operators face reliability and safe isolation challenges in harsh environments, risking downtime and regulatory gaps. UL Listed safety device with a NEMA 3R enclosure delivers weather-resistant protection for outdoor installations and rugged plants. Designed for 800A, 240V, two-pole configurations with fusible with solid neutral circuitry, it streamlines panel layouts and reduces wiring complexity. By combining a Quick Connect approach with Posi-Lok reverse pin and Series K design, it supports faster commissioning and lowers lifecycle costs.
Product Information
Extended Description
DH227NRKLPR Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 800A, 240V, 2P, Fusible with solid neutral, Series K, NEMA 3R, Posi-Lok reverse pin
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH227NRKLPR
UPC
786685369310
Product Length/Depth
32.87 in
Product Height
85.59 in
Product Width
21.73 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
Posi-Lok reverse pin
Type
Heavy Duty, Single-Throw
Amperage Rating
800A
Number Of Poles
Two-pole
Voltage rating
240V
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 - DH227NRKLPR
The DH227NRKLPR is a heavy-duty, two-pole safety switch rated at 800A and 240V, delivering robust overcurrent isolation to protect both equipment and operators in demanding industrial environments. This configuration reduces unplanned downtime and minimizes costly outages in main feeders and motor control centers while simplifying integration with existing power distribution schemes. The fusible with solid neutral fuse configuration supports reliable switching and steady neutral reference, aiding compliance with protective device coordination and improving short-circuit response. Posi-Lok reverse pin enhances mechanical engagement for secure handle operation, decreasing misalignment risks during maintenance and reconfiguration in crowded panels. Series K compatibility and quick-connect features shorten installation time and lower commissioning costs in new builds or retrofits. The NEMA 3R enclosure and UL Listing offer weather-resistant protection and documented safety for outdoor and damp locations, boosting uptime in harsh environments. Overall, the design supports efficient maintenance, predictable performance, and a lower total cost of ownership.
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FAQs
Install per NEC and UL guidelines for 800A at 240V in two-pole configurations. Ensure the enclosure is mounted for accessible operation, with adequate clearance for wiring and the Posi-Lok reverse pin mechanism. Plan for the 32.87 in depth, 85.59 in height, and 21.73 in width footprint, and account for the 540 lb weight when selecting mounting hardware and supports.
Yes. The device features a NEMA 3R enclosure and UL Listing, providing weather-resistant protection suitable for outdoor installations and damp indoor locations. Proper installation and enclosure sealing ensure long-term reliability in harsh environments, helping maintain continuity of service in outdoor substations or exposed mechanical rooms.
Posi-Lok reverse pin ensures secure alignment and engagement of the safety switch handle during operation and maintenance. This reduces the likelihood of misassembly, improves reliability during frequent cycling, and supports safer lockout/tagout procedures in high-duty applications such as large motor feeders and critical control circuits.
The DH227NRKLPR is rated for 800A at 240V in a two-pole configuration with fusible protection and a solid neutral. It is part of Eaton Series K and is UL Listed. Ensure your panel design accommodates the 32.87 in depth and the overall footprint, and verify coordination with upstream protection devices and wiring sizing to maintain proper protection and selectivity.
The Quick Connect capability and Series K design streamline installation, reducing commissioning time and labor costs. The robust NEMA 3R enclosure and UL Listing improve reliability in harsh environments, lowering downtime. Over the product lifecycle, faster maintenance cycles, safer isolation, and fewer field rework incidents translate into a favorable return on investment for large-scale power-distribution or motor-control applications.