Eaton DH325FGK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH325FGK
Quick Summary
Eaton heavy duty fusible safety switch provides reliable, code-compliant isolation for industrial power distribution. This proven device protects feeders and motors while simplifying maintenance in demanding environments. In practice, downtime, arc-flash exposure, and wiring mistakes can stall critical projects; the DH325FGK reduces these risks with a rugged, field-ready design. It carries UL Listed certification, features a NEMA 1 painted steel enclosure for indoor use, and uses Class H fuses to deliver robust overcurrent protection. Designed for service entrances and large motor feeders, it also supports Neutral Kit options to streamline installation and regulatory compliance. By delivering trusted performance and straightforward serviceability, it helps lower lifecycle costs and improve project uptime.
Product Information
Extended Description
DH325FGK Eaton: Eaton Enhanced visible blade single-throw safety switch, 400 A, NEMA 1, Painted steel, Class H, Three-pole, Three-wire, 240 V, Max Hp: 50, 125/ 50 hp (3PH @Std, TD/250 Vdc), (2)#1/0-(2)300 kcmil or (1)#1/0-(1)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH325FGK
UPC
782113207049
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.
Certifications
UL Listed
Catalog Notes
Suitable for service entrance use with a Neutral Kit installed
Enclosure
NEMA 1
Enclosure material
Painted 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
Amperage Rating
400A
HP rating - max
50, 125/ 50 hp (3PH @Std, TD/250 Vdc)
NEMA rating
NEMA 1
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature: 400 A amperage rating at 240 V with a three-pole design. Business Impact: Enables clean, coordinated protection for heavy motors and feeders, reducing upstream fault stress and costly fuse changes. Application: Ideal for machine rooms, process lines, and large conveyors where reliable isolation is critical. Feature: NEMA 1 enclosure in painted steel. Business Impact: Indoor protection against dust and incidental moisture, enhancing longevity and reducing unplanned maintenance. Application: Electrical rooms and service entrances in manufacturing facilities. Feature: Fuse configuration Class H and fusible without neutral. Business Impact: Robust overcurrent protection with straightforward fuse replacement, improving fault clearance and system reliability. Application: Three-wire, three-pole configurations in control panels and switching gear. Feature: Conductor capacity supporting large feeders. Business Impact: Flexible wiring options up to (2) 300 kcmil Al or (1) 750 kcmil Al, enabling scalable motor and feeder connections. Application: Heavy-duty distribution trunks and switchgear feeders. Feature: Service entrance readiness with Neutral Kit option. Business Impact: Simplifies code-compliant installation and reduces commissioning time, lowering total installed cost. Application: New service entrances and retrofit projects in industrial facilities. Feature: UL Listed certification and documented warranty. Business Impact: Regulatory compliance assurance and predictable maintenance planning, backed by Eaton’s 1-year warranty. Application: Any critical installation requiring recognized safety certification and reliable support.
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FAQs
The DH325FGK is designed for indoor use with a NEMA 1 enclosure and a three-pole configuration. It supports service entrance applications and can be paired with a Neutral Kit for compliant retrofits. Typical swaps require matching conductor sizes up to the specified ampacity and proper grounding practices, ensuring seamless integration with existing feeders and downstream equipment.
This unit provides a 400 A amperage rating at 240 V and uses Class H fusible protection without a neutral, in a three-pole, three-wire arrangement. It supports large feeder connections and is UL Listed, offering reliable overcurrent protection for motors and feeders in industrial environments.
Ideal for service entrances, large motor feeders, and machine rooms in manufacturing, chemical processing, and HVAC systems. The three-pole, 240 V design with robust fusible protection makes it suitable for equipment protection, quick isolation during maintenance, and dependable startup sequencing in complex automation layouts.
The DH325FGK is UL Listed and features a NEMA 1 enclosure, aligning with indoor protection and safety standards required in many industrial facilities. This certification supports regulatory compliance, reduces audit risk, and simplifies supplier qualification for large projects.
With a durable painted-steel enclosure, Class H fuse protection, and straightforward fuse replacement, it minimizes downtime during maintenance and reduces spare-part inventory complexity. The Neutral Kit option further reduces commissioning time, contributing to lower total cost of ownership and faster return on investment for critical line feeders.