Eaton DH326URKNLCR Heavy Duty Safety Switch - UL Listed
Part Number: DH326URKNLCR
Quick Summary
Eaton DH326URKNLCR Heavy Duty Safety Switch provides reliable motor-disconnect for 3-phase, 600 V systems in harsh industrial settings. Engineers confront downtime and wiring complexity during maintenance; this switch simplifies disconnection with Cam-Lok reverse-pin terminals and a rugged NEMA 3R enclosure. UL Listed safety certification and NEMA 3R rating support compliance for indoor and outdoor installations, while solid neutral and unfused configuration suit critical motor circuits. For durability and long service life, it integrates seamlessly with industrial switchgear and electrical protection and circuit control networks, delivering improved uptime and lower maintenance costs.
Product Information
Extended Description
DH326URKNLCR Eaton: Eaton DH, 3P 4W+G, 240V, 600A, NON-FUSED, SOLID NEUT, NEMA 3R
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH326URKNLCR
UPC
786679176900
Product Length/Depth
32.6 in
Product Height
73.34 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 reverse pin
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
ARMS Enclosed Circuit Breaker
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Eaton Specification Sheet - DH366URKNLCR
Feature → Business Impact → Application: Three-pole, 4-wire+ground, unfused 600 A rating enables reliable high-current disconnects for demanding motor loads, reducing fuse-related failures and maintenance downtime in critical applications. This translates to improved uptime in manufacturing lines and conveyors, ensuring safer lockout/tagout procedures and quicker restart after service. Feature → Business Impact → Application: Cam-Lok reverse-pin terminals streamline field wiring, cutting installation time and minimizing miswiring risks in tight electrical cabinets or outdoor enclosures. This is especially valuable in retrofit projects or spaces with limited access, where fast, repeatable connections improve project throughput. Feature → Business Impact → Application: NEMA 3R enclosure and 32.6 in depth with a robust 370 lb footprint provide rugged, weather-resistant protection for outdoor or semi-protected areas, reducing weather-related failure modes and extending service life in harsh environments. Feature → Business Impact → Application: UL Listed safety certification and Series K design support procurement compliance and formal safety programs, enabling easier audit trails and safer integration into electrical protection and circuit control architectures. Feature → Business Impact → Application: Non-fused configuration simplifies circuit design for non-fusible motor disconnects in controlled environments, facilitating safe isolation while reducing replacement costs and spare-part inventories.
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FAQs
The DH326URKNLCR is a three-pole, unfused safety switch with Cam-Lok reverse-pin terminals designed for straightforward field wiring and rapid mounting. Its NEMA 3R enclosure supports indoor and outdoor installations. This combination enables quick, safe disconnects for 600 V, 600 A motor circuits, while maintaining compatibility with standard industrial switchgear layouts.
Key ratings include 600 A amperage, 600 V voltage, 3P 4W+G configuration with a solid neutral, and unfused operation. The unit is UL Listed and built for harsh environments with a NEMA 3R enclosure. These specs support reliable motor isolation, safe maintenance, and compliance with typical plant safety programs and electrical protection standards.
Yes. The NEMA 3R enclosure rating is specifically designed for outdoor and harsh environments, protecting the internal switching components from exposure to weather and dust. With a robust 370 lb frame and high current rating, it is well-suited for outdoor motor disconnects, conveyors, and other heavy-duty industrial applications.
The DH326URKNLCR is UL Listed and uses a NEMA 3R enclosure. These certifications ensure compliance with safety regulations and suitability for both dry indoor and protected outdoor installations, supporting regulatory audits and safety program requirements in industrial facilities.
Maintenance primarily involves periodic inspection of mechanical connections and enclosure integrity; the Cam-Lok reverse-pin system reduces wiring errors and downtime during servicing. The high current rating and rugged enclosure contribute to lower replacement frequency, improved uptime, and a favorable total cost of ownership in continuous-operation environments.