Eaton DH366NGKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH366NGKV
Quick Summary
The Eaton heavy duty fusible safety switch provides reliable isolation for industrial power distribution in control panels. Engineers often contend with downtime, safety concerns, and regulatory gaps when older disconnects are in service. This model carries UL Listed certification and NEC 230.62 barrier compliance, supporting code-aligned installations in indoor environments. Its NEMA 1 painted steel enclosure, Class H fuse provision with neutral, and three-pole four-wire configuration deliver durable protection while simplifying installation and ongoing maintenance for procurement and engineering teams.
Product Information
Extended Description
DH366NGKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blades, 600 A, NEMA 1, Painted steel, Class H, Fusible with neutral, Three-pole, Four-wire, 600 V, (1)#2-(1)600 kcmil; and (1)#1/0-(1)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH366NGKV
UPC
786685972039
Product Length/Depth
58 in
Product Height
12 in
Product Width
27.5 in
Product Weight
120 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
Enclosure
NEMA 1
Enclosure material
Painted steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
600A
NEMA rating
NEMA 1
Voltage rating
600 V
High-current capability drives fewer protective trips and reduces the need for parallel switching during peak loads. With a 600 A amperage rating and a 600 V voltage rating, the DH366NGKV handles demanding motor feeders and process lines with confidence, translating into improved circuit protection, reduced nuisance tripping, and clearer coordination with upstream protective devices in the plant. The painted steel NEMA 1 enclosure protects internal components from dust and incidental contact, supporting long service life and straightforward cabinet-level installation. The three-pole four-wire configuration with Class H fuse provisions enables precise protection and safe shutdown for three-phase circuits, aligning with common wiring standards and easier field wiring. UL Listed status and NEC 230.62 barrier compliance reassure inspectors and operators, promoting safer, code-compliant operation in challenging environments. Enhanced visible blades improve maintenance checks and status verification, while the HDSS catalog note underpins rapid commissioning and reduced downtime. For OEMs and retrofits, rugged construction and certified protection translate into lower maintenance costs and a lower total cost of ownership.
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FAQs
The DH366NGKV is designed for indoor installation in a NEMA 1 enclosure. Plan for adequate mounting clearance, access to the three-pole disconnect, and clean routing of the three-pole four-wire wiring with a proper neutral connection. Follow NEC guidelines for grounding and protection, ensuring coordination with upstream devices to minimize fault impacts and maintenance complexity.
Class H fuses provide high interrupting capability and are suitable for motors with inrush. They coordinate with upstream devices to prevent nuisance trips while delivering fast fault clearance. The DH366NGKV’s fusible-with-neutral setup enhances phase isolation and supports safe motor startup, shutdown, and protection in three-phase systems.
Yes. Rated for 600 V and configured as three-pole with four wires, the DH366NGKV is designed for indoor control panels and motor feeders. Its NEMA 1 enclosure, UL Listed status, and NEC barrier compliance make it a robust choice for reliable factory power distribution and safe routine maintenance.
The DH366NGKV is UL Listed, providing third-party safety validation, and it complies with NEC 230.62 barrier requirements for safe panel operation. These certifications help ensure regulatory acceptance, safer installations, and smoother audits in industrial facilities and OEM projects.
Replacing aging disconnects with the DH366NGKV can reduce maintenance costs and downtime due to improved safety and reliability. The rugged painted steel enclosure and certified protections minimize service interruptions, while straightforward wiring and field wiring compatibility shorten commissioning time and support longer service life in demanding industrial environments.