Eaton DG225NRK General Duty Fuse Switch - UL Listed
Part Number: DG225NRK
Quick Summary
The Eaton DG225NRK general duty cartridge fuse safety switch provides reliable, code-compliant protection for industrial control panels and motor circuits. It helps reduce unplanned downtime by combining a rugged, weather-resistant enclosure with an easy-to-replace fusible element. Many projects struggle with space constraints, wiring complexity, and ensuring proper fuse coordination; this unit simplifies installation with a two-pole, three-wire configuration and a clear fault path. This model carries UL Listed approval and NEC 230.62 barrier compliance, plus a NEMA 3R enclosure suitable for indoor or outdoor environments. Its 240 V rating and 400 A amperage rating support heavy loads while preserving coordination with Class H fuses. Use it as a dependable main disconnect where general duty safety is required.
Product Information
Extended Description
DG225NRK Eaton: Eaton General duty cartridge fuse safety switch, 400 A, NEMA 3R, Painted galvanized steel, Class H fuses, Fusible with neutral, Two-pole, Three-wire, Category: general duty safety switch, 240 V
Product Name
Eaton general duty cartridge fuse safety switch
Catalog Number
DG225NRK
UPC
782113589503
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
Maximum hp ratings apply only when dual element fuses are used. 3-Phase hp rating shown is a grounded B phase rating, UL listed.
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Number of wires
3
Type
General duty, cartridge fused
Amperage Rating
400A
Fuse class provision
Class H fuses
Voltage rating
240V
Product Category
General duty safety switch
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DG225NRK
The DG225NRK uses a NEMA 3R enclosure built from painted galvanized steel, delivering weather resistance and corrosion protection for outdoor installations. This enclosure design reduces maintenance costs and extends service life in harsh environments. The fuse configuration is fusible with neutral in a two-pole, three-wire setup, simplifying wiring and improving fault isolation for safer startup and easier servicing in control panels. With a 400 A amperage rating at 240 V, it protects high-current motor circuits and feeders while maintaining coordination with Class H fuses, supported by UL Listed certification. Remember the catalog note: maximum hp ratings apply only with dual-element fuses; for three-phase systems, ratings shown reflect a grounded B phase. The unit weighs 120 lb and occupies a footprint of 7.27 in depth, 44.74 in height, and 23.08 in width. Warranty is one year from install or 18 months from shipment, whichever occurs first.
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FAQs
DG225NRK is configured as a two-pole, three-wire general duty safety switch with fusible with neutral. Mount on a compatible enclosure (NEMA 3R) and connect line and load conductors to the two poles, ensuring the neutral path remains tied through the fusible circuit. The unit supports 400A at 240V and should be wired following the manufacturer’s installation instructions to maintain proper fault clearance and protective coordination.
Maximum horsepower ratings apply only when dual-element fuses are used. The listed 3-phase rating for the DG225NRK is a grounded B phase rating, UL listed. For higher hp protection on multi-motor loads, ensure dual-element fuses are specified and confirm system topology to maintain safe, code-compliant protection.
Yes. The unit features a NEMA 3R enclosure with painted galvanized steel for corrosion resistance and weather protection, making it appropriate for outdoor or semi-exposed installations. Ensure proper sealing, mounting, and barrier compliance per NEC 230.62 when used outdoors.
The DG225NRK is UL Listed and NEC 230.62 barrier compliant, with a NEMA 3R enclosure rated for outdoor or harsh environments. These certifications support compliance in most general duty safety switch applications and simplify procurement for regulated projects.
Maintenance is straightforward thanks to a modular fusible with neutral design and easy fuse replacement. The Class H fuse provision supports reliable protection, reducing downtime and potentially lowering energy waste. The product is backed by Eaton’s warranty (1 year from installation or 18 months from shipment) and robust build quality for long service life.