Eaton DH325NRK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH325NRK
Quick Summary
Eaton DH325NRK heavy duty fusible safety switch provides safe isolation for industrial power systems. Field maintenance downtime and risky manual disconnects often hamper productivity and safety. UL Listed, NEMA 3R enclosure, and NEC 230.62 (C) compliant barrier(s) ensure reliable protection and code compliance in challenging environments. The design integrates a robust Class H fuse with neutral in a four-wire, three-pole configuration to support standard panel and switchgear layouts. Built for durability and easy integration, it helps protect critical equipment while simplifying compliance and maintenance planning. With predictable performance across 240 V three-phase systems, it supports safety-driven procurement and reduces total cost of ownership.
Product Information
Extended Description
DH325NRK Eaton: Eaton Heavy duty single-throw fused safety switch, 400 A, NEMA 3R, Painted galvanized steel, Class H, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 50, 125/ 50 hp (3PH @Std, TD/250 Vdc), (2)#1/0-(2)300 kcmil or (1)#1/0-(1)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH325NRK
UPC
782113207070
Product Length/Depth
7.27 in
Product Height
44.74 in
Product Width
23.08 in
Product Weight
120 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.
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
400A
HP rating - max
50, 125/ 50 hp (3PH @Std, TD/250 Vdc)
NEMA rating
NEMA 3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature: 400A amperage rating with a three-pole, four-wire configuration delivers controlled isolation for heavy loads. Benefit: Enables safe motor starting and fault isolation, reducing risk to personnel and equipment. Application: Ideal for motor control centers and large machine lines that demand reliable power switching. Feature: NEMA 3R enclosure with painted galvanized steel construction. Benefit: Weather-resistant protection suitable for outdoor and harsh indoor environments, lowering enclosure corrosion risk and maintenance costs. Application: Outdoor service entrances and plant floor panels where reliability matters. Feature: Fuse class provision Class H and fusible with neutral. Benefit: Improves selectivity and protection coordination, minimizing nuisance outages while safeguarding critical circuits. Application: Industrial distribution, process lines, and critical loads requiring safe disconnection. Feature: Flexible conductor options (2/0- to 750 kcmil Al equivalents) and four-wire capability. Benefit: Easier field wiring and compatibility with existing feeders, reducing installation time and errors. Application: Retrofit projects and new builds with diverse conductor sizes. Feature: UL Listed compliance and NEC 230.62 barrier alignment. Benefit: Simplifies procurement and regulatory audit readiness, supporting faster approvals and safer installations. Application: Electrical protection and safety switching across manufacturing and distribution facilities. Feature: HP rating up to 50 HP (125/50 HP 3PH @Std, TD/250 Vdc) and 240V operation. Benefit: Matches common motor and line starter requirements, optimizing performance and cost efficiency. Application: Heavy-duty machinery and packaging lines requiring robust protective switching.
Get a Quick Quote for a Eaton DH325NRK
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton DH325NRK?
Enquire Now
FAQs
The DH325NRK is designed for three-pole, four-wire configurations with neutral, suitable for 240 V systems. It should be mounted in a NEMA 3R enclosure and wired to accept conductor sizes up to (2) #1/0 to (2) 300 kcmil or (1) #1/0 to (1) 750 kcmil Al, with appropriate lugs and supports. Verify panel alignment and ensure barrier compliance per NEC 230.62.
Key specs include a 400A amperage rating, 240V voltage rating, three-pole configuration with neutral in a four-wire setup, and a maximum horsepower rating of 50 HP, with 125/50 HP for 3P at Std TD/250 Vdc. It uses Class H fuses and is UL Listed for safety and reliability in industrial applications.
Yes. The DH325NRK employs a NEMA 3R enclosure with painted galvanized steel, providing weather resistance suitable for outdoor and semi-exposed environments. This construction helps protect internal components from moisture and dust, supporting durable operation in varied plant conditions.
The DH325NRK is UL Listed and complies with NEC 230.62 barrier requirements, ensuring code-conforming protection and safer disconnection practices. These certifications aid in passing electrical audits, support warranty coverage, and reduce risk of non-compliance penalties in industrial settings.
By providing reliable, code-compliant isolation with a robust 400A rating and 240V operation, the DH325NRK minimizes unscheduled outages and safety incidents. Its durable construction and straightforward wiring reduce installation time, lower maintenance costs, and improve line uptime, delivering measurable improvements in productivity and total cost of ownership.