Eaton DH266URKNLP Heavy Duty Safety Switch - Posi-Lok
Part Number: DH266URKNLP
Quick Summary
Eaton heavy duty safety switch is a rugged disconnect for industrial power distribution, designed for reliable line-side protection in demanding facilities. Engineers often grapple with lengthy field wiring, misalignment risks, and time-consuming installation when deploying disconnects in harsh environments. UL Listed certification and a NEMA 3R enclosure rating ensure regulatory compliance and outdoor or damp indoor suitability, protecting equipment in varied climates. The Posi-Lok mechanism, combined with Series K design, delivers fast, secure operation and repeatable performance under vibration. This configuration reduces commissioning time, minimizes maintenance cycles, and supports safer, more efficient electrical distribution across manufacturing lines and service entrances.
Product Information
Extended Description
DH266URKNLP Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 600A, 600V, 2P, Unfused, Series K, NEMA 3R, Posi-Lok
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH266URKNLP
UPC
786685369921
Product Length/Depth
9.89 in
Product Height
21.69 in
Product Width
11.13 in
Product Weight
22 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
Type
Heavy Duty, Single-Throw
Amperage Rating
600A
Number Of Poles
Two-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 - DH266URKNLP
Robust heavy-duty construction and quick-connect wiring enable faster, error-free field installations. This design reduces wiring time and field termination errors, lowering commissioning costs. It's ideal for service entrances, motor control centers, and outdoor disconnects in manufacturing and processing facilities. Posi-Lok alignment and interlock ensure repeatable, vibration-resistant operation. The result is reduced lock-in and loosening of connections during startup and cycling, improving uptime. Suitable for equipment subject to vibration, such as conveyors or pumps in industrial plants. The 600A amperage rating with 600V capability in a two-pole unfused configuration handles demanding motor and line loads. This simplifies protection schemes and reduces the number of components in the same footprint. NEMA 3R enclosure provides outdoor and damp indoor protection, expanding installation options across factories, outdoors, or loading docks without extra weatherproofing. It aligns with safety and compliance requirements and supports reliable service through Series K compatibility and a strong aftermarket. Documentation and support resources, including specification sheets and catalogs, help ensure quick, correct installations and long-term maintenance planning.
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FAQs
DH266URKNLP is a two-pole, unfused heavy-duty safety switch designed for 600A 600V service. It supports the Series K family and a quick-connect installation approach, enabling straightforward field wiring and reliable disconnects in motor feeders, service entrances, and control panels. Its unfused configuration simplifies protection schemes while maintaining robust fault handling in industrial environments.
Key specs include a 600A amperage rating, 600V voltage rating, two-pole construction, unfused fuse configuration, Series K designation, and NEMA 3R enclosure. It is UL Listed for compliance and intended for heavy-duty applications such as motor disconnects, feeder disconnects, and outdoor or damp indoor installations in manufacturing facilities.
This safety switch is commonly used as a service entrance disconnect, motor control center feeder disconnect, or outdoor power distribution point in manufacturing, packaging, water treatment, and process industries. Its NEMA 3R enclosure allows outdoor or damp indoor installations, while the Posi-Lok feature helps maintain secure connections in vibration-prone environments.
The DH266URKNLP carries UL Listing for compliance with electrical safety standards and features a NEMA 3R enclosure rating for weather resistance. Its Posi-Lok mechanism enhances connection security, and the unit is part of Eaton’s Series K family, providing compatibility with existing Eaton protection and control components.
The Posi-Lok system reduces connection loosening and vibration-related wear, lowering maintenance cycles and unscheduled downtime. The rugged construction and straightforward quick-connect wiring shorten installation and commissioning, delivering faster time-to-revenue and improved uptime for critical loads such as conveyors, pumps, and processing lines.