Eaton DH265NRK Heavy Duty Fusible Safety Switch - UL Listed, NEMA 3R
Part Number: DH265NRK
Quick Summary
Eaton heavy duty fusible safety switch DH265NRK provides safe isolation for high-current industrial electrical systems. This solution helps technicians reduce downtime and risk during fuse changes by delivering a robust, lockable disconnect with built-in neutral. The enclosure meets NEC 230.62 (C) compliant barriers and is UL Listed, while the NEMA 3R-rated, painted galvanized steel enclosure withstands outdoor and harsh environments. With a 400 A rating, 600 V capacity, and a 50 hp maximum at 250 Vdc, it balances heavy-duty protection with a compact footprint. Ideal for motor control, power distribution, and safety interlock applications, it supports efficient maintenance programs and regulatory compliance while integrating with existing switchgear and control systems.
Product Information
Extended Description
DH265NRK Eaton: Eaton Heavy duty single-throw fused safety switch, 400 A, NEMA 3R, Painted galvanized steel, Class H, Fusible with neutral, Two-pole, Three-wire, 600 V, Max Hp: 50 at 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
DH265NRK
UPC
786685176994
Product Length/Depth
45.5 in
Product Height
10.25 in
Product Width
24.38 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
Two-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
400A
HP rating - max
50 at 250 Vdc
NEMA rating
NEMA 3R
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
400 A amperage rating and a 600 V maximum voltage provide robust protection for large-motor loads, enabling safe isolation without compromising system performance. The 50 hp maximum at 250 Vdc extends DC motor drive compatibility, reducing the need for multiple devices on a line. The NEMA 3R enclosure, painted galvanized steel, delivers outdoor-ready protection against weather, dust, and corrosion, helping facilities reduce enclosure-related failures and maintenance costs. Fuse class provision is Class H with fusible configuration, improving fault protection and selective coordination while providing a reliable neutral path for systems requiring a neutral conductor. The two-pole, three-wire design simplifies wiring, accelerates installation, and improves compatibility with existing control circuits. UL Listed with NEC 230.62 (C) compliant barrier, this switch supports audits and regulatory compliance while streamlining integration with standard switchgear and control systems. Weighing 120 lb and sized at 45.5 in L × 24.38 in W × 10.25 in H, it fits common industrial footprints and facilitates field mounting with minimal custom fabrication. The 25-000 warranty from Eaton provides peace of mind during uptime-critical projects and retrofits.
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FAQs
When mounting the DH265NRK, plan for a two-pole, three-wire configuration with fusible with neutral, aligning with the device’s Class H fuse provisions. Ensure proper barrier compliance per NEC 230.62 (C) and fit within the NEMA 3R enclosure for outdoor or harsh environments. Use standard control wiring and provide adequate space for fuse replacement and routine maintenance to minimize downtime.
The DH265NRK is rated for 400 A continuous current and 600 V, with a maximum of 50 hp at 250 Vdc. It uses a two-pole, three-wire configuration with fusible protection and a neutral. The enclosure is NEMA 3R, and the unit is UL Listed, ensuring robust performance in demanding industrial settings.
Yes. The switch features a NEMA 3R enclosure made of painted galvanized steel, designed to withstand outdoor exposure, dust, and moisture. This makes it a practical choice for outdoor motor control, power distribution panels, and other rugged installations in industrial facilities.
The DH265NRK carries UL Listed certification and NEC 230.62 (C) compliant barrier requirements. These certifications support safe operation, regulatory compliance during inspections, and easier integration into existing electrical systems without compromising safety standards.
With a 120 lb unit and a 45.5 in L × 24.38 in W × 10.25 in H footprint, installation and servicing are straightforward, reducing commissioning time. The Class H fuse and fusible with neutral configuration simplify fuse replacements, lowering maintenance downtime. A one-year warranty (or 18 months from shipment) provides support during the initial period after installation, contributing to predictable total cost of ownership.