Eaton DH225NRK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH225NRK
Quick Summary
The Eaton DH225NRK heavy duty fusible safety switch protects industrial power circuits. Maintenance teams often contend with protection devices that cause unplanned outages during changeovers. UL Listed, NEMA 3R enclosure, and NEC 230.62 compliant barrier ensure rugged reliability in outdoor and harsh indoor environments. Built for panel builders and system integrators, it supports fast, code-compliant deployments with clear fault visibility. The 400 A rating and 240 V operation enable efficient motor control and simplified procurement by consolidating protection and switching into a single, compliant package.
Product Information
Extended Description
DH225NRK Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 400 A, NEMA 3R, Neutral, Two-pole, Three-wire, 240 V, Max Hp: 50, 125, 50 hp (3PH @ Std fuse/time delay/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
DH225NRK
UPC
782113207032
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
Catalog Notes
3-Phase hp ratings shown are grounded B phase ratings; UL listed
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
400A
HP rating - max
50, 125, 50 hp (3PH @ Std fuse/time delay/250 Vdc)
NEMA rating
NEMA 3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature: 400 A amperage rating provides robust protection for large motors and feeders, reducing the need for multiple protective devices and simplifying panel design. Business impact: lower spare parts inventory, faster commissioning, and improved uptime. Application: main feeders in manufacturing lines and process equipment. Feature: 240 V, two-pole, three-wire with neutral supports standard three-phase systems, enabling straightforward integration with existing panels and motor control centers. Fuse configuration with neutral ensures coordinated protection across both lines and neutral conductors. Feature: Class H fuse provision delivers reliable overload protection and predictable fuse coordination for critical loads. Feature: Enhanced visible blade improves fault visibility during operation and fuse changes, reducing mis-wiring and downtime. Feature: NEMA 3R enclosure in painted galvanized steel enables dependable outdoor and damp indoor performance. Feature: UL Listed with NEC 230.62 compliant barrier provides code-aligned safety that supports audits, inspections, and regulatory adherence. Feature: Dimensions and weight (7.27 in depth, 23.08 in width, 44.74 in height, 120 lb) enable compatible retrofits and predictable installation clearances for panel upgrades. Feature: Warranty and service (25-000 policy) offers a clear, time-bound protection window to minimize total cost of ownership and sustain long-term reliability.
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FAQs
The DH225NRK is a two-pole, three-wire switch with neutral, designed for standard 240 V three-phase systems. It supports panel mounting with its NEMA 3R enclosure, enabling safe outdoor and indoor installations. Dimensions and mounting clearances should be reviewed against enclosure size to ensure a proper retrofit or new install.
This switch provides 400 A amperage protection and 240 V operation. It supports up to 50 hp (per phase) with standard fuse/time delay configurations at 250 Vdc for 3-phase systems, making it suitable for mid-size motor feeders and process equipment.
Yes, the DH225NRK is UL Listed. It also uses a NEC 230.62 compliant barrier and features a NEMA 3R enclosure, supporting code compliance for a wide range of indoor and outdoor installations.
Product dimensions are 7.27 in depth, 23.08 in width, and 44.74 in height, with an approximate weight of 120 lb. These measurements influence mounting space, handling, and retrofit feasibility in existing panels.
The product is covered under Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This supports long-term reliability planning and replacement speed for protected systems.