Eaton DH324FDK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH324FDK
Quick Summary
The Eaton DH324FDK fusible safety switch provides safe isolation for 200 A motor circuits in 240 V systems. Users face downtime and safety concerns when switching high-current drives without proper isolation. This device is UL Listed, NEC 230.62 (C) compliant, and designed around a NEMA 12 / NEMA 3R enclosure, delivering robust protection in demanding environments. The enclosure, field-modifiable options, and compatible lug configurations help streamline service entrances and upgrades, while maintaining reliable protection for automated systems and manufacturing lines.
Product Information
Extended Description
DH324FDK Eaton: Eaton Heavy duty single-throw fused safety switch, 200 A, NEMA 12/3R, Painted galvanized steel, Class H, Fusible without neutral, Three-pole, Three-wire, 240 V, Max Hp: 15, 25/60/40 hp (1,3PH @Std/3PH @TD/250 Vdc), #6-250 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH324FDK
UPC
782113206721
Product Length/Depth
37.5 in
Product Height
11.5 in
Product Width
19 in
Product Weight
55 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
#6 AWG-250 kcmil Cu/Al
Amperage Rating
200A
HP rating - max
15, 25/ 15, 60/ 40 hp (1,3PH @Std/TD/250 Vdc)
NEMA rating
NEMA 12/3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature: Three-pole, 200 A fused safety switch. Business Impact: Delivers reliable, code-compliant isolation for large motor circuits while reducing accidental energization risk. Application: Ideal for 200 A service entrances and three-wire control panels in industrial facilities. Feature: NEMA 12, NEMA 3R enclosure with painted galvanized steel. Business Impact: Provides durable enclosure protection against dust, moisture, and corrosion, extending lifecycle in harsh environments. Application: Suitable for indoor plant floors and semi-outdoor areas with optional rainproof configuration. Feature: Class H fuse provision with fusible without neutral capability. Business Impact: Ensures fast-acting protection with compatible fusing options, minimizing arc flash exposure and material damage. Application: Critical for machine control circuits and heavy-duty motor starters in manufacturing lines. Feature: Field-modifiable for NEMA 3R rainproof requirements. Business Impact: Enables weather-rated operation without replacing the complete switch, lowering installation time and cost. Application: Useful for service entrances and outdoor panels where rain exposure is possible. Feature: Three-pole, three-wire design meeting #6 AWG to 250 kcmil Cu/Al termination. Business Impact: Simplifies wiring termination and supports high-current, flexible wiring practices. Application: Streamlines field wiring for large-diameter conductors in power distribution and motor control centers. Feature: UL Listed and NEC compliant barrier with service entrance suitability. Business Impact: Improves regulatory compliance and reduces inspection delays, enabling smoother project approvals. Application: Widely adopted in electrical distribution and industrial automation projects.
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FAQs
For service entrances, ensure the DH324FDK is mounted on a stable surface within its NEMA 12/3R enclosure, using compatible #6 AWG–250 kcmil Cu/Al conductors. Verify lug kit availability for neutral or ground as needed, and allow space for wiring terminations and drainage if NEMA 3R rainproof configuration is anticipated.
The switch is rated for 200 A at 240 V, with three-pole, three-wire operation. It uses Class H fuses and is fusible without neutral. It accepts Cu/Al conductors from #6 AWG up to 250 kcmil, enabling flexible, high-current protection for motor circuits and control panels.
The enclosure is rated for NEMA 12 and NEMA 3R. Field modification can enable NEMA 3R rainproof operation when a factory drain hole is opened, allowing outdoor or semi-outdoor installations while preserving safety and performance.
This switch is UL Listed and NEC 230.62 (C) compliant with barrier provisions. These certifications support safe installation, electrical code compliance, and reduced inspection friction for industrial facilities, service entrances, and automation panels.
With a robust painted galvanized steel enclosure, Class H fuse protection, and durable, field-modifiable features, the DH324FDK minimizes unplanned downtime and maintenance costs. The 1-year warranty from installation or 18 months from shipment provides assurance while reducing lifecycle risk in continuous-operation environments.