Eaton DH323NGK heavy-duty fusible safety switch - UL Listed
Part Number: DH323NGK
Quick Summary
Eaton DH323NGK fusible safety switch protects industrial motor circuits. This robust device delivers reliable protection in demanding control panels and power feeds. Operators often face downtime from undersized protection, neutral-miswiring, or noncompliant barriers in harsh environments. The unit complies with NEC 230.62 barrier requirements and features a NEMA 1 painted steel enclosure with UL Listed certification, providing a solid foundation for safety and regulatory adherence. For engineers and procurement teams, it offers straightforward integration, standard 100 A capacity, and compatibility with common Cu/Al wiring, delivering tangible business value through reduced maintenance and improved line downtime protection.
Product Information
Extended Description
DH323NGK Eaton: Eaton Heavy duty single-throw fused safety switch, 100 A, NEMA 1, Painted steel, Class H, Fusible, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 7.5, 15/ 15, 30/ 20 hp (1,3PH @Std/TD/250 Vdc), #14-#1/0 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH323NGK
UPC
782113206264
Product Length/Depth
22.5 in
Product Height
9 in
Product Width
12.75 in
Product Weight
20 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 1
Enclosure material
Painted 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
Wire size
#14-1/0 AWG Cu/Al
Amperage Rating
100A
HP rating - max
7.5, 15/ 15, 30/ 20 hp (1,3PH @Std/TD/250 Vdc)
NEMA rating
NEMA 1
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Enclosure robustness and enclosure material combine to deliver superior protection in dusty, humid, or workshop environments. Business impact: longer service life and reduced corrosion risk, lowering replacement costs and downtime. Application: ideal for machine tools, conveyors, and general purpose motor control panels. The 22.5 inch depth, 12.75 inch width, and 9 inch height enclosure fits standard panel spaces, simplifying retrofit projects and new builds alike. Wiring flexibility supports #14-1/0 AWG Cu/Al, four conductors, and a neutral path, enabling straightforward field wiring and cleaner panel layouts. Business impact: faster wiring and verification, fewer field errors, and improved electrical safety. Application: any 3-pole, 4-wire 240 V installation in industrial facilities. Fuse class provision with Class H improves selective coordination and fault isolation, reducing arc-flash exposure and maintenance cost. Application: critical protection on heavy machinery and motor drives. NEMA 1 and painted steel construction offer rugged protection against routine shop hazards, supporting long service intervals in plant environments. Business impact: lower lifecycle costs and enhanced operator safety. HP and amperage ratings go up to 100A with max HP of 7.5/15/15 and 30/20 HP on 1-3PH at Std/TD/250 Vdc, ensuring compatibility with a wide range of motors. Application: aquiring scalable protection for varied motor loads. Three-pole, four-wire configuration with neutral simplifies installation and fault management, while 240V operation aligns with common plant power distribution. Business impact: predictable performance and smoother commissioning in multi-motor lines.
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FAQs
The DH323NGK uses a NEMA 1 painted steel enclosure designed for wall or cabinet mounting in industrial control panels. It is a three-pole, four-wire device rated for 100A at 240V, with a neutral connection. Its compact 22.5 in depth by 12.75 in width by 9 in height footprint simplifies retrofits while maintaining robust protection against dust and debris.
The switch supports four conductors with wire sizes from #14 to 1/0 AWG Cu or Al, including a neutral. This flexibility accommodates common motor and feeder configurations, enabling straightforward field termination and ensuring compatibility with standard industrial feeders while maintaining code-compliant protection paths.
Yes. The DH323NGK is UL Listed and features NEC 230.62 compliant barrier, which helps maintain safe operating clearances between live parts and surrounding equipment. This certification supports regulatory compliance and reduces risk during inspections, making it suitable for a wide range of industrial installations.
This switch is rated for 100 A at 240 V and supports maximum HP of 7.5, 15/15, and 30/20 HP for 1-3 phase configurations depending on the standard or TD (two-drive) conditions at 250 V DC. These ratings allow protection across multiple motor sizes within a single enclosure in typical plant applications.
The product is covered by Eaton’s warranty policy 25-000, providing one year from installation or eighteen months from shipment, whichever occurs first. This warranty supports parts availability and technical assistance, reducing long-term ownership risk and supporting maintenance planning for industrial environments.