Eaton DH323FDK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH323FDK
Quick Summary
Eaton heavy duty fusible safety switch delivers reliable power control for industrial machinery and process lines. When downtime and noncompliant enclosures threaten production, this unit minimizes risk with rugged construction and field-modifiability. It carries UL Listed certification with NEC 230.62 barrier compliance and supports a NEMA 12/3R enclosure, ensuring safe operation in harsh environments. Designed to integrate with control panels and service entrances, it helps reduce installation time and total cost of ownership while delivering dependable overcurrent protection and straightforward maintenance for industrial facilities.
Product Information
Extended Description
DH323FDK Eaton: Eaton Heavy duty single-throw fused safety switch, 100 A, NEMA 12/3R, Painted galvanized steel, Class H, Three-pole, Three-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
DH323FDK
UPC
782113206318
Product Length/Depth
25.5 in
Product Height
9 in
Product Width
13.25 in
Product Weight
29 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
Suitable for service entrance use with a neutral or ground lug kit installed. Can be field modified to meetNEMA 3R rainproof requirements when a factory provided drain hole is opened.
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
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 12/3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature → Business Impact → Application: Three-pole, 100 A amperage rating with Class H fuse provision delivers reliable short-circuit protection, reducing equipment damage and downtime in motor control centers and decentralized switchgear. This translates to improved uptime and safer startup sequences for conveyor lines and machining cells. Feature → Connection and compatibility → Application: Fusible without neutral and copper/aluminum wire range #14-1/0 enables versatile wiring options and easy field modifications, minimizing panel rework when upgrading existing systems in food processing or packaging lines. Feature → Enclosure and rugged build → Application: NEMA 12/3R painted galvanized steel enclosure resists dust, moisture, and corrosion, ideal for harsh manufacturing floors and shipping environments; field drain hole modification supports NEMA 3R rainproof requirements where needed. Feature → Compliance and certification → Application: UL Listed with NEC 230.62 barrier compliance helps satisfy rigorous regulatory and safety requirements for service entrances and control panels, supporting audits and reliability. Feature → Installation efficiency → Application: Compact footprint (25.5 in depth, 13.25 in width, 9 in height) and 29 lb weight facilitate quick mounting and rework in existing racks, reducing labor costs and startup delays.
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FAQs
For mounting DH323FDK, ensure adequate panel clearance and select a compatible NEMA 12/3R enclosure. Use the proper mounting hardware and a service entrance lug kit if required. Maintain proper wire terminations within the #14-1/0 Cu/Al range and verify 240 V 3‑phase connections where applicable. The unit’s dimensions (25.5 in depth, 13.25 in width, 9 in height) guide panel cutouts and clearance.
The DH323FDK is rated for 100 A with a 240 V supply, configured as a three-pole device with fusible without neutral. It uses Class H fuses and accepts #14-1/0 AWG Cu/Al wires, enabling flexible protection for a range of motor and load applications while maintaining safe shutdowns during faults.
Yes. It is suitable for service entrances with a neutral or ground lug kit and supports NEMA 12/3R environments, making it ideal for service entry protection and motor control panels in manufacturing, packaging, and processing lines. With 100 A rating and a robust enclosure, it withstands continuous operation and fault conditions typical in these settings.
The DH323FDK carries UL Listed certification and NEC 230.62 barrier compliance, ensuring adherence to industry safety standards. Its NEMA 12/3R enclosure rating also supports environmental protection in dusty or damp plant areas, aiding in regulatory audits and system reliability.
Expect reduced downtime due to durable galvanized steel construction, straightforward field modifications for rainproofing, and a 1-year warranty that aligns with Eaton’s support policy. The unit’s reliability, simple wiring options, and service-entrance compatibility contribute to lower total cost of ownership in mid- to large-scale production lines.