Eaton DH261NRK Heavy Duty Fusible Safety Switch - NEMA 3R UL Listed
Part Number: DH261NRK
Quick Summary
Eaton DH261NRK heavy duty fusible safety switch provides reliable circuit protection for industrial control panels and motor circuits. When upgrading existing systems, engineers face installation challenges, limited-space enclosures, and compliance pressures that can slow projects. This unit features UL Listed status, NEC 230.62(C) barrier compliance, and a NEMA 3R enclosure to stand up to outdoor or harsh indoor environments. By combining robust protection with a compact footprint, it supports faster commissioning and safer operation, while reducing downtime. It also supports common field wiring practices with #14-2 AWG conductors, helping streamline procurement and installation, and aligns with standard motor control architectures for cost-efficient modernization.
Product Information
Extended Description
DH261NRK Eaton: Eaton Heavy duty single-throw fused safety switch, 30 A, NEMA 3R, Painted galvanized steel, Class H, Fusible with neutral, Two-pole, Three-wire, 600 V, Max Hp: 7.5, 10 hp/15 hp (1PH @480,600 V TD/600 Vdc), #14-#2 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH261NRK
UPC
786685176956
Product Length/Depth
17 in
Product Height
16.27 in
Product Width
9.5 in
Product Weight
17 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
Wire size
#14-2 AWG Cu/Al
Amperage Rating
30A
HP rating - max
7.5, 10 hp/15 hp (1PH @480,600 V TD/600 Vdc)
NEMA rating
NEMA 3R
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
30A, 600V rating provides decisive overcurrent protection for small to mid-size motors and control circuits, reducing fuse duty cycles and the risk of conductor damage. This enables longer equipment life and lower maintenance costs, with predictable tripping and fast fault isolation. The NEMA 3R enclosure in painted galvanized steel delivers weather-resistant protection for outdoor cabinets and damp environments, lowering corrosion risk and service calls in harsh facilities. The two-pole, three-wire configuration with a Class H fuse and neutral simplifies wiring and supports safe neutral return in 600 V systems, helping achieve code compliance in a compact form factor. UL Listed and NEC 230.62(C) barrier compliance offer regulatory confidence, reducing audit time and design reviews. The 17 in depth and 17 lb weight facilitate retrofit and service in tight spaces, while compatibility with #14-2 AWG wiring streamlines field connections and spare-part planning. HP ratings up to 7.5, 10, and 15 hp for 1PH at 480–600 V TD/600 Vdc expand application options in motor control centers and machine lines.
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FAQs
Install the DH261NRK in a three-wire, two-pole circuit by mounting the enclosure in a suitable panel and connecting line and load leads to the two input terminals. Use #14-2 AWG Cu/Al conductors for all field wiring and connect the neutral to the fusible neutral path. Ensure the NEMA 3R enclosure is appropriate for outdoor or damp environments and follow NEC 230.62(C) barrier requirements. Verify operation after wiring.
Key specs include a 30A amperage rating, 600V voltage rating, and a two-pole, three-wire configuration with a fusible Class H fuse and neutral. The device supports up to 7.5, 10, or 15 hp for single-phase applications at 480–600 V (TD/600 Vdc). This combination provides reliable protection for small to mid-size motors while meeting UL and NEC requirements.
Yes. The NEMA 3R enclosure, painted galvanized steel construction, and weather-resistant design make the DH261NRK suitable for outdoor panels, damp environments, and washdown areas. It carries UL listing and NEC barrier compliance, ensuring safe operation with controlled fuse access. The unit’s compact footprint and 17 lb weight support easy mounting in constrained spaces.
UL Listed certification confirms the product meets established electrical safety standards, while NEC 230.62(C) barrier compliance ensures safe separation of energized parts. The NEMA 3R enclosure supports outdoor and indoor protection, and the Class H fuse provides reliable interrupt capability. Together these certifications streamline audits, help meet code requirements, and reduce project risk.
The DH261NRK delivers durable protection with long motor life and reduced downtime due to predictable fuse operation and rapid field replacement. With common wiring practices using #14-2 Cu/Al and widely available Class H fuses, maintenance teams can source parts quickly, minimize spare inventory, and shorten service delays, driving a lower total cost of ownership over the system life cycle.