Eaton DH366FRKLC Quick Connect Heavy Duty Safety Switch - UL Listed
Part Number: DH366FRKLC
Quick Summary
The Eaton DH366FRKLC quick connect heavy duty safety switch provides reliable control for industrial drive systems and switchgear. Installing large fusible switches can be time-consuming and error-prone, leading to costly downtime. UL Listed protection and a rugged NEMA 3R enclosure help withstand outdoor and harsh indoor environments, while Cam-Lok connections speed field wiring. This combination supports safer operation and faster deployment, reducing total cost of ownership in motor control centers. As part of Eaton's Series K lineup, it integrates with established electrical protection strategies for scalable, compliant installations.
Product Information
Extended Description
DH366FRKLC Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 600A, 600V,3P, Fusible, Series K, NEMA 3R, Cam-Lok
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH366FRKLC
UPC
786685372761
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
Fusible
Series
Series K
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DH366FRKLC
Feature: Three-pole, fusible design delivering 600A at 600V. Business Impact: Provides safe isolation and arc suppression, reducing fault duration and protecting personnel and equipment. Application: Suitable for switchgear, motor control centers, and heavy automation panels. Feature: NEMA 3R enclosure built for outdoor and harsh indoor environments. Business Impact: Improves uptime by resisting moisture, dust, and corrosion in outdoor substations, shelters, and factory floors. Application: Outdoor and rugged indoor installations. Feature: Cam-Lok fast-connect fittings. Business Impact: Speeds field wiring and simplifies maintenance, lowering labor costs during installation and service. Application: New builds and retrofits needing rapid, reliable connections. Feature: Series K and UL Listed certification. Business Impact: Streamlines compliance with safety standards and procurement processes, reducing integration risk. Application: Retrofit projects and control panel upgrades. Feature: Consideration for heavy equipment handling and warranty. Business Impact: Clear planning improves installation safety and long-term service confidence, while the one-year warranty supports lifecycle budgeting.
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FAQs
The DH366FRKLC is a large, heavy unit (approximately 370 lb) that requires proper hoisting equipment and trained personnel. Plan outdoor or harsh indoor placements with a NEMA 3R enclosure for weather protection. Ensure adequate clearance around the switch for service access and Cam-Lok wiring connections, and follow lockout/tagout procedures during installation. Coordinate with electrical drawings for compatibility and future expansion.
Yes. The DH366FRKLC is UL Listed and comes in a NEMA 3R enclosure, designed for outdoor and harsh indoor environments. It belongs to Eaton’s Series K family and uses fusible, three-pole construction with a 600A, 600V rating, supporting compliant electrical protection in industrial settings.
This switch is ideal for heavy-duty power distribution applications such as switchgear, motor control centers, and remote distribution panels. Its 600A at 600V rating, three-pole design, and fusible configuration support safe fault isolation, equipment protection, and scalable protection across industrial automation and process industries.
Maintenance impact comes from reliable UL Listed construction, durable NEMA 3R enclosure, and Cam-Lok fast connections that reduce wiring time and service downtime. The unit’s rugged build minimizes corrosion-related outages, while the included warranty (one year from installation or 18 months from shipment) provides budgetary protection during early lifecycle phases.
Verify compatibility with Eaton’s switching devices catalog and ensure the control scheme accommodates a 3P, 600A fusible configuration. Check enclosure fit, mounting dimensions (32.87 in depth, 74.34 in height, 16.1 in width), and connector types (Cam-Lok). Confirm wiring methods and lockout/tagout procedures align with site safety policies.