Eaton DH225NRKLPR Safety Switch - UL Listed, NEMA 3R
Part Number: DH225NRKLPR
Quick Summary
Eaton DH225NRKLPR safety switch provides heavy-duty disconnection for 400A industrial electrical protection. Facility teams often struggle with safe, code-compliant lockout/tagout while maintaining reliability in harsh environments and demanding schedules. UL Listed protection, a rugged NEMA 3R enclosure, and Posi-Lok reverse pin deliver secure, repeatable operation in outdoor and indoor sites. This solution supports electrical protection and circuit control objectives by delivering fast installation, long service life, and straightforward maintenance workflows. Designed for compatibility with Series K gear and 240V systems, it offers a scalable, high-current disconnect option that reduces downtime and lifecycle costs for OEMs and end users.
Product Information
Extended Description
DH225NRKLPR Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 400A, 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
DH225NRKLPR
UPC
786685369150
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
400A
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
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - DH225NRKLPR
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 400A heavy-duty, two-pole fusible disconnect with solid neutral. Business Impact: Enables safe isolation of large motor loads and feeders, reducing unplanned downtime and improving protection coordination. Application: Manufacturing lines and processing equipment that demand robust current handling. Feature: Posi-Lok reverse pin. Business Impact: Quick, secure alignment during field installs, minimizing rework and misalignment risk. Application: New installs and retrofits in tight electrical rooms or outdoor enclosures. Feature: NEMA 3R enclosure. Business Impact: Reliable outdoor performance and weather resistance, lowering enclosure maintenance and inspection costs. Application: Outdoor substations, exterior electrical rooms, and exposed plant installations. Feature: Series K, heavy-duty design, Single-Throw. Business Impact: Simplified control strategy and dependable on/off operation, supporting efficient commissioning. Application: Control panels and switchgear assemblies requiring straightforward disconnection. Feature: Fuse configuration with solid neutral. Business Impact: Precise fault interruption and neutral grounding coordination, reducing risk to downstream equipment. Application: Power distribution circuits with critical neutral references. Feature: UL Listed certification. Business Impact: Compliance assurance, faster approvals, and reduced third-party testing overhead. Application: Facilities adhering to strict electrical safety standards and procurement policies.
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FAQs
Yes. The DH225NRKLPR is a Series K heavy-duty safety switch designed for 400A, 2-pole operation with fusible solid neutral. It uses Eaton’s Posi-Lok reverse pin to ensure proper alignment, simplifying field assembly and minimizing misfit risk during installation. For best results, consult the Eaton installation sheet (specifically the DH225NRKLPR datasheet) and adhere to UL Listed guidelines to maintain compliance.
The DH225NRKLPR carries UL Listed certification and features a NEMA 3R enclosure, suitable for outdoor and harsh indoor environments. It is rated for 240V operation with a 400A current rating across two poles and uses fusible with solid neutral. The Posi-Lok reverse pin adds secure mating, supporting reliable long-term performance in demanding industrial settings.
Typical applications include manufacturing lines, process areas, outdoor substations, and any electrical distribution point requiring robust isolation for high-current equipment. Its 240V, 400A two-pole configuration and NEMA 3R enclosure make it ideal for outdoor control panels, motor feeders, and critical process circuits where safety and uptime are paramount.
Eaton provides a warranty aligned with Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports parts and fulfillment of service needs, and Eaton’s technical support resources are available to assist with specification validation, installation planning, and post-installation maintenance.
Regular inspections should verify the Posi-Lok pins are securely seated, the fusible elements are within specification, and the enclosure shows no signs of corrosion or water intrusion. Schedule periodic lubrication and torque checks per Eaton guidelines, and replace any fused components that show wear to maintain protective performance and minimize unexpected downtime.