Eaton DH465FGK Fusible Safety Switch - UL Listed
Part Number: DH465FGK
Quick Summary
The Eaton DH465FGK fusible safety switch provides reliable power isolation for heavy-duty industrial control cabinets. In demanding plants, downtime and unsafe equipment are costly; this device addresses those risks with rugged construction and clear fault isolation. UL Listed certification supports compliance, and its NEMA 1 enclosure and Class H fuses are proven for indoor, dry environments. The unit is designed for four-pole, four-wire service at 600 V, with 400 A capacity, aligning with common motor starter and switchgear configurations. By combining robust protection with straightforward installation, it helps minimize maintenance cycles and maximize system uptime while supporting scalable, safe electrical protection across your facility.
Product Information
Extended Description
DH465FGK Eaton: Eaton Heavy duty single-throw fused safety switch, 400 A, NEMA 1, Class H, Four-pole, Four-wire, 600 V, Max Hp: 250, 350/ 50 hp (480,600 V @3PH/250 Vdc), 600 V, (2)#1/0-(2)300 kcmil; or (1)#1/0-(1)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH465FGK
UPC
782113952208
Product Length/Depth
45.5 in
Product Height
10.25 in
Product Width
24.38 in
Product Weight
116 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
Enclosure
NEMA 1
Enclosure material
Painted steel
Fuse class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Four-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
400A
HP rating - max
250, 350/ 50 hp (480,600 V @3PH/250 Vdc)
NEMA rating
NEMA 1
Voltage - max
600 V
Voltage rating
600 V
Product Category
Heavy Duty, Fusible without neutral
Feature: 400 A amperage rating. Business impact: enables safe, reliable isolation for heavy motor loads and large distribution circuits, reducing nuisance trips and enabling predictable maintenance windows. Application: motor control centers and heavy machinery feeds in manufacturing lines. Feature: 600 V maximum voltage rating. Business impact: supports common three-phase systems up to 600 V, simplifying integration with existing power architectures and reducing design complexity. Application: industrial drives and switchgear assemblies requiring ample voltage headroom. Feature: NEMA 1 painted steel enclosure. Business impact: durable indoor protection against dust and incidental contact, lowering enclosure damage risk and easing installation in dry environments. Application: control panels in manufacturing and process facilities. Feature: Class H fuse provision and fusible without neutral. Business impact: enhanced protection coordination and selective fusing, lowering the likelihood of cascading faults and simplifying fuse replacement. Application: line-side protections for critical equipment. Feature: Four poles and four wires. Business impact: full electrical isolation with straightforward wiring, improving safety during servicing and enabling simple extension to multi-line circuits. Application: multi-phase, four-wire distributions in industrial plants. Feature: 45.5 in length and 116 lb weight. Business impact: predictable footprint and transport handling for field installation and upgrade projects. Application: retrofits and new panel builds with space planning considerations. Feature: UL Listed certification and NEMA 1 enclosure. Business impact: demonstrates compliance with electrical safety standards and suitability for indoor use, streamlining procurement and commissioning. Application: regulated electrical installations in facilities prioritizing safety and reliability.
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FAQs
The DH465FGK is designed for heavy-duty power isolation in control panels and motor control centers. With a 400 A rating, 600 V max, four-pole/four-wire configuration, and a NEMA 1 enclosure, it supports reliable disconnects for large motors, conveyors, and presses, helping minimize downtime and improve maintenance scheduling while maintaining safety integrity.
Key specs include 400 A amperage, 600 V maximum voltage, four poles, four wires, Class H fuse provision, and fusible without neutral. These parameters guide feeder sizing, fault isolation coordination, and wiring schemes in three-phase Power Distribution Units, ensuring compatibility with standard industrial drives and switchgear configurations.
Yes, the unit uses a NEMA 1 enclosure designed for indoor, dry environments. Installation considerations include ensuring adequate space for four-pole wiring, fuse access for maintenance, and alignment with mounting footprints given its 45.5 in length and 116 lb weight, which may influence rack or cabinet integration and handling requirements.
By providing reliable, safe isolation with easily replaceable Class H fuses and a robust UL Listed build, the DH465FGK reduces unexpected outages and labor time for fuse changes. Its solid construction supports longer service intervals, lowers total cost of ownership, and enhances uptime for critical processes in manufacturing and material handling.
Documentation includes Eaton catalogs and the DH465FGK specification sheet. These resources provide installation guidance, wiring diagrams, fuse requirements, and compliance notes to support procurement, engineering design, and regulatory audits, helping ensure correct selection and reliable field performance.