Eaton DH425SNRKLPR Safety Switch - UL Listed, NEMA 3R
Part Number: DH425SNRKLPR
Quick Summary
The Eaton DH425SNRKLPR safety switch delivers heavy-duty isolation for industrial control panels and high-current motor circuits. Operators often struggle with slow startups, incomplete fault isolation, and safety devices that complicate maintenance. UL Listed certification ensures electrical safety compliance, and the Series K enclosure carries a NEMA 3R rating for outdoor and rugged environments. With a robust 400A rating and 240V operation, this device supports reliability targets while enabling plant-wide standardization. Designed for quick-connect installations and safe maintenance, it also aligns with common procurement workflows and helps lower total cost of ownership over time.
Product Information
Extended Description
DH425SNRKLPR Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 400A, 240V, 4P, Fusible with switched neutral, Series K, NEMA 3R, Posi-Lok reverse pin
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH425SNRKLPR
UPC
786685373911
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
Four-pole
Voltage rating
240V
Enclosure
NEMA 3R
Fuse configuration
Fusible with switched 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 - DH425SNRKLPR
Feature: 400A, four-pole capability enables isolating large loads without compromising safety. Business Impact: Improves uptime and reduces risk of arc-flash incidents during maintenance. Application: Heavy-duty motor control centers and feeder circuits in manufacturing plants. Feature: Fusible with switched neutral provides selective protection and safer shutdown sequences. Business Impact: Minimizes fault energy and simplifies fuse replacement, lowering maintenance costs. Application: Power distribution feeders and critical equipment zones. Feature: Posi-Lok reverse pin ensures secure engagement during installation and service. Business Impact: Reduces misalignment and nuisance openings, speeding up commissioning and service cycles. Application: Field installations where vibration or heavy equipment is present. Feature: NEMA 3R enclosure offers weather-resistant protection for indoor and outdoor installations. Business Impact: Extends equipment life in harsh environments, reducing replacement and corrosion-related downtime. Application: Outdoor MCCs, remote plant locations, and outdoor control panels. Feature: Series K design delivers compatibility and standardization, easing retrofits and new builds. Business Impact: Lowers engineering time and procurement complexity, accelerating project timelines. Application: Facility-wide safety switch updates and industrial automation upgrades.
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FAQs
The DH425SNRKLPR uses a four-pole configuration rated at 400A and 240V, with a Series K enclosure and NEMA 3R rating. Plan for adequate mounting space, access for maintenance, proper wiring routes to the fused with switched neutral configuration, and ensure compatibility with Posi-Lok reverse pin connectors for secure engagement.
Key specs include 400A amperage rating, 240V voltage rating, four poles, fusible with switched neutral, Series K, NEMA 3R enclosure, and UL Listed certification. Typical dimensions are 32.87 in depth, 74.34 in height, and 16.1 in width with an approximate weight of 370 lb, supporting heavy-duty industrial installs.
Yes. The DH425SNRKLPR features a NEMA 3R enclosure designed for outdoor and harsh environments, providing resistance to weather and corrosion while maintaining safe, reliable operation in outdoor control panels and remote installations.
Posi-Lok reverse pin is a securing mechanism that ensures accurate alignment and secure engagement of the switch during installation and maintenance. This reduces the risk of accidental disengagement, improves reliability in vibratory or high-force environments, and speeds up field servicing.
The product carries Eaton’s standard warranty per policy 25-000: one year from the date of installation or eighteen months from shipment, whichever occurs first. This provides a predictable basis for maintenance planning and ROI calculations on industrial safety investments.