Eaton DH366URKSNLC Heavy Duty Safety Switch - NEMA 3R
Part Number: DH366URKSNLC
Quick Summary
The Eaton DH366URKSNLC heavy duty safety switch provides reliable circuit isolation for industrial power distribution. Engineers often face bulky devices that complicate installation and maintenance in crowded electrical rooms or outdoor spaces. This UL Listed unit with a rugged NEMA 3R enclosure supports outdoor and damp locations, offering dependable protection in harsh conditions. Cam-Lok fast-connects streamline wiring, while a 600A, 600V, three-pole configuration delivers robust protection for demanding motor and feeder circuits. Series K construction emphasizes durability, and the unfused design reduces field complexity. In short, it combines safety, reliability, and ease of installation to minimize downtime and optimize total cost of ownership.
Product Information
Extended Description
DH366URKSNLC Eaton: Eaton Quick Connect Safety Switch, 600A, 600V,3P, Unfused, Series K, NEMA 3R, Cam-Lok, Heavy Duty, Single-Throw.
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH366URKSNLC
UPC
786685373164
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 3R
Fuse configuration
Unfused
Series
Series K
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - DH366URKSNLC
Feature: 600A amperage and 600V rating with three-pole unfused operation → Business Impact: Directly isolates high-power feeders with minimal components and fewer fault points → Application: Ideal for plant-wide distribution, motor control centers, and high-demand feeders. Feature: Cam-Lok quick-connect wiring → Business Impact: Faster, cleaner field wiring reduces installation time and potential connection errors → Application: Rapid, reliable field assembly in new builds or retrofit projects. Feature: Series K heavy-duty construction → Business Impact: Enhanced durability under repeated switching and harsh environments → Application: Long service life in demanding industrial facilities and outdoor installations. Feature: NEMA 3R enclosure with UL Listed certification → Business Impact: Proven protection against rain, dust, and corrosion, meeting strict electrical codes → Application: Outdoor substations, utility bays, and damp-location switchgear. Feature: Dimensions and weight (32.87 in L, 74.34 in H, 16.1 in W, 370 lb) → Business Impact: Clear footprint planning and stable mounting for safe operation → Application: Retrofit in constrained electrical spaces and new plant installations.
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FAQs
The DH366URKSNLC uses Cam-Lok fast-connects to simplify field wiring, enabling quick, secure connections for three-pole, 600V circuits. Ensure mounting in a compatible enclosure, align the switch with the incoming and outgoing feeders, and tighten Cam-Lok fittings to achieve a gas-tight, vibration-resistant connection. This reduces installation time and potential wiring errors, improving commissioning efficiency for new builds or retrofits.
Key ratings include 600A amperage, 600V voltage, and three-pole unfused operation. The enclosure is NEMA 3R, offering protection against rain, dust, and moderate corrosion, making it suitable for outdoor or damp locations. The unit is UL Listed, confirming compliance with core safety standards, which supports documentation during audits and helps ensure reliable performance in challenging industrial environments.
Yes. The combination of UL Listed safety features and a NEMA 3R enclosure makes it appropriate for outdoor substations and harsh industrial settings. The Cam-Lok connections facilitate reliable field wiring, and the Series K construction provides long-term durability, minimizing maintenance cycles and equipment downtime in demanding applications.
The product is covered under Eaton’s warranty policy, with one year from installation or eighteen months from shipment, whichever occurs first. For maintenance, focus on periodic inspection of enclosure integrity, Cam-Lok connections, and contact surfaces. Regular checks help sustain reliability, reduce unplanned outages, and extend the service life of the safety switch in production lines.
The DH366URKSNLC offers a strong ROI by combining fast installation, durable design, and reduced downtime. Its high current rating (600A) supports large feeders without oversizing components, while the rugged enclosure and straightforward maintenance reduce rework and service interruptions. For procurement, this translates to lower lifecycle costs and improved equipment availability in manufacturing environments.