Eaton DH366UGKNLC Heavy Duty Safety Switch - UL Listed
Part Number: DH366UGKNLC
Quick Summary
The Eaton DH366UGKNLC is a heavy-duty safety switch for protecting three-phase electrical systems in industrial facilities. This unit addresses downtime and maintenance delays by offering a compact, quick-connect design with robust connections. It carries UL Listed certification and is built in a NEMA 1 enclosure for dependable indoor installation, with Series K construction and Cam-Lok capability to simplify field wiring. The 600A, 600V rating supports high-current motor loads while the unfused configuration reduces nuisance fuse maintenance. For buyers, this translates to faster service interventions, improved safety compliance, and predictable performance in demanding environments. In addition to primary protection, it integrates smoothly with standard low-voltage protection schemes and supports durable, long-life operation.
Product Information
Extended Description
DH366UGKNLC Eaton: Eaton Quick Connect Safety Switch, Single-Throw, 600A, 600V,3P, Unfused, Series K, NEMA 1, Cam-Lok, Heavy Duty.
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH366UGKNLC
UPC
786685373003
Product Length/Depth
32.87 in
Product Height
74.34 in
Product Width
16.1 in
Product Weight
370 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
Special features
Cam-Lok
Type
Heavy Duty, Single-Throw
Amperage Rating
600A
Number Of Poles
Three-pole
Voltage rating
600 V
Enclosure
NEMA 1
Fuse configuration
Unfused
Series
Series K
Commercial Distribution, Switching Devices, Volume 2, Tab 1
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
Eaton Specification Sheet - DH366UGKNLC
Feature → Business Impact → Application: Cam-Lok quick connect minimizes field wiring time and reduces the risk of loose connections, delivering faster installation and lower commissioning costs for high-demand control panels in manufacturing lines. This translates to measurable productivity gains during plant startup or line changes. Application: Use in new builds or retrofits where rapid, secure connections are essential to uptime. Feature → Business Impact → Application: 600A, 600V, three-pole ratings provide robust protection for large motor loads and main disconnects, ensuring safe shutdowns and predictable protection margins under peak demand. Application: Ideal for motor control centers and heavy machinery where current spikes are common. Feature → Business Impact → Application: Series K, NEMA 1 enclosure and unfused configuration offer rugged indoor reliability with straightforward maintenance, minimizing preventative service costs and complexity. Application: Suitable for control panels and service entrances in clean, protected industrial environments. Feature → Business Impact → Application: UL Listed certification and durable construction improve compliance and reduce risk in audits, supporting safer procurement and installation. Application: Plant safety programs and regulatory reviews. Feature → Business Impact → Application: Cam-Lok connectivity and heavy-duty construction enhance compatibility with standard disconnect footprints, enabling smoother upgrades and modular expansion. Application: Retrofit projects and new line deployments seeking scalable protection.
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FAQs
The DH366UGKNLC is designed for indoor use in a NEMA 1 enclosure and features Cam-Lok connectors for quick, reliable wiring. Its three-pole, unfused configuration makes it a straightforward main disconnect or feeder switch in standard industrial control panels. It aligns with Series K footprints, enabling smooth upgrades or retrofits in existing installations.
Key specs include 600A amperage rating, 600V voltage rating, three-pole configuration, unfused fuse configuration, and Cam-Lok connectivity. These settings support high-current motor loads and rapid disconnection, with reliable operation under typical industrial duty cycles while meeting UL safety requirements.
Yes. Designed as a heavy-duty, three-pole single-throw disconnect, it serves effectively as a main break in high-load lines and motor circuits. Its Series K construction and Cam-Lok options support quick, secure wiring, reducing commissioning time and enabling safer, faster fault isolation in production environments.
The DH366UGKNLC is UL Listed, which supports compliance with many national safety standards for electrical protection devices. While CE, SIL, or IP ratings may be required in specific markets, this unit’s UL Listing and NEMA 1 enclosure provide strong baseline safety and indoor protection, with verification needed for region-specific certifications during procurement.
With a rugged heavy-duty design and unfused configuration, maintenance tasks are simplified and downtime is minimized. The UL Listed certification adds confidence in compliance, while Cam-Lok quick-connects reduce wiring time during maintenance. The product’s durability and warranty terms help shorten payback periods by lowering field service costs and extending service intervals.