Eaton DH426FGKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH426FGKV
Quick Summary
Eaton DH426FGKV heavy duty fusible safety switch provides robust protection for industrial control and motor circuits in demanding environments. This solution helps minimize unplanned downtime by delivering dependable current interruption and clear visual status with Enhanced Visible-Blade design. With UL Listed certification and a rugged NEMA 1 enclosure, it supports safe indoor installation in heavy commercial and industrial facilities. The device is built for high-current applications, offering 600 A capacity and up to 75 hp at 240 V in standard 3-phase setups, with 200 hp in certain TD configurations. For procurement teams, the combination of cartridge fuse protection, compact integration, and straightforward maintenance translates to lower lifecycle costs and improved plant reliability.
Product Information
Extended Description
DH426FGKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blades, 4 blade, 600 A, NEMA 1, Cartridge, Four-pole, Four-wire, 240 V, Max Hp: 75 hp at 240 Vac Std. 3 Ph, 200 hp at 240 Vac TD 3 Ph
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH426FGKV
UPC
786680182310
Product Length/Depth
58 in
Product Height
12 in
Product Width
27.5 in
Product Weight
157 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
Enhanced Visible-Blade (No Window)
Enclosure
NEMA 1
Enclosure material
Painted steel
Fuse class provision
Cartridge
Fuse configuration
Fusible without neutral
Number Of Poles
Four-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
600A
HP rating - max
75 hp at 240 Vac Std. 3 Ph, 200 hp at 240 Vac TD 3 Ph
NEMA rating
NEMA 1
Voltage - max
600 V
Voltage rating
240V
Application
Heavy commercial and industrial
Series
K
Feature: 600 A amperage with a four-pole, four-wire configuration. Business Impact: Enables safe, reliable switching for high-current motor circuits while reducing wiring complexity and fault risk. Application: Large motors and feeders in industrial facilities. Feature: 240 V operating voltage with HP ratings up to 75 hp standard and 200 hp in certain 240 V three-phase arrangements. Business Impact: Supports common industrial drives and load profiles with scalable protection. Application: Standard and TD motor control centers. Feature: NEMA 1 enclosure with painted steel construction. Business Impact: Indoor protection against dust and incidental contact while simplifying installation in existing plant spaces. Application: Industrial plants and heavy commercial environments. Feature: Enhanced Visible-Blade (no window) for quick status checks. Business Impact: Improves maintenance efficiency and reduces risk during service, downtime, and inspections. Application: Routine safety checks and live-line assessments. Feature: Cartridge fuse provision and fusible without neutral configuration. Business Impact: Simplifies fuse sourcing and replacement, minimizes neutral wiring errors, and supports rapid maintenance. Application: High-current motor circuits requiring reliable fuse isolation. Feature: General electrical specs and size (58 in L, 27.5 in W, 12 in H) with weight (157 lb). Business Impact: Indicates the unit’s footprint and handling requirements for safe installation and service logistics. Application: On-site planning for mounting and clearance in industrial panels and switchgear rooms. This combination of rugged construction and industry-standard protections addresses common objections about reliability, serviceability, and compliance, while aligning with long-term cost-of-ownership goals for industrial automation projects.
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FAQs
Installation involves mounting the four-pole, four-wire switch in a suitable indoor location, wiring line and load to the four terminals per the Eaton installation guide, and using cartridge fuses in fusible configuration without a neutral. Ensure the enclosure remains within the NEMA 1 rated environment and that the device is UL Listed for compliant operation.
The DH426FGKV is rated for 600 A, 240 V, with up to 75 hp at 240 V in standard three-phase circuits and 200 hp in select TD configurations. It uses four poles and four wires, with cartridge-type fusing and enhanced blade visibility to facilitate safe operation and quick verification during maintenance.
Yes. Designed for heavy commercial and industrial use, it features a robust NEMA 1 indoor enclosure, UL Listed certification, and high-current capability suitable for large motors and feeders. Its cartridge fuse protection and four-pole design support reliable isolation and protection in demanding environments.
The DH426FGKV carries UL Listed certification and a NEMA 1 enclosure rating, indicating suitability for indoor industrial environments. It also provides a documented warranty and standard material construction, which helps ensure compliance with typical industrial safety and installation standards.
The unit measures 58 inches in length, 27.5 inches in width, and 12 inches in height, with an estimated weight of 157 pounds. This informs mounting clearance, structural support needs, and handling requirements during installation and servicing.