Eaton DH323FRKLPR Heavy Duty Safety Switch - NEMA 3R
Part Number: DH323FRKLPR
Quick Summary
Eaton DH323FRKLPR heavy duty safety switch disconnects three-phase power for industrial feeders. This design addresses downtime and wiring complexity that plague maintenance teams during shutdowns. UL Listed certification and a rugged NEMA 3R enclosure ensure reliable operation in varied environments, while the Series K platform supports scalable protection. The product combines quick-connect wiring with a robust fusible path to drive safety and compliance in new builds or retrofits. For procurement teams and engineers, this switch delivers dependability, ease of installation, and long-term cost savings through reduced maintenance and downtime.
Product Information
Extended Description
DH323FRKLPR Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 100A, 240V,3P, Fusible, Series K, NEMA 3R, Posi-Lok reverse pin
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH323FRKLPR
UPC
786685370156
Product Length/Depth
9.89 in
Product Height
21.69 in
Product Width
11.13 in
Product Weight
22 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
Posi-Lok reverse pin
Type
Heavy Duty, Single-Throw
Amperage Rating
100A
Number Of Poles
Three-pole
Voltage rating
240V
Enclosure
NEMA 3R
Fuse configuration
Fusible
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 - DH323FRKLPR
Feature: Three-pole, 100A, 240V heavy duty safety switch provides solid disconnection for three-phase feeders. Business Impact: Delivers dependable overload protection and safe, predictable shutdowns, reducing arc-flash exposure and unplanned downtime in production lines. Application: Ideal for industrial motor feeders and machine controls where reliable isolation is required. Feature: Fusible configuration enables selective fusing and on-site fuse replacement without changing the switch body. Business Impact: Improves maintenance efficiency and lowers inventory costs by standardizing on a single device for multiple protection schemes. Application: Suitable for OEM panels and field-installed disconnects in high-demand environments. Feature: NEMA 3R enclosure offers weather and moisture resistance for indoor and outdoor installations. Business Impact: Expands deployment to outdoor equipment halls, loading docks, and harsh environments without compromising safety. Application: Outdoor switchgear and process areas needing rugged protection. Feature: Posi-Lok reverse pin delivers secure, positive handle engagement for safe operation during maintenance. Business Impact: Reduces risk of accidental disengagement and streamlines service procedures. Application: Critical for quick-retrofit projects and safety-critical shutdowns. Feature: UL Listed certification confirms compliance with recognized electrical safety standards. Business Impact: Facilitates procurement approvals and regulatory compliance across industrial facilities. Application: Widely adopted in safety-critical applications and integrated with other UL-listed Eaton devices. Feature: Series K compatibility ensures seamless integration with existing Eaton protection products. Business Impact: Enables faster upgrades and scalable system protection with minimal wiring rework. Application: Retrofit projects and new installations leveraging Eaton’s trusted protection ecosystem.
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FAQs
The DH323FRKLPR is a three-pole, 100A, 240V fusible disconnect designed for rugged environments with a NEMA 3R enclosure. Plan for vertical or horizontal mounting in standard electrical rooms or protected outdoor locations. Confirm electrical clearances, allow service access for fuse replacement, and ensure alignment with Series K devices for seamless integration.
Posi-Lok reverse pin provides a secure, positive engagement of the disconnect handle, preventing unintended opening or reclosing during service. This feature reduces accidental operation during maintenance, helps maintain lockout/tagout integrity, and supports safer, more efficient routine procedures in high-demand industrial settings.
Yes. The DH323FRKLPR uses a NEMA 3R enclosure designed for indoor and outdoor installations where exposure to weather and moisture could occur. This rating enables rugged service in factories, loading docks, and equipment yards, ensuring dependable protection and isolating circuits even in challenging conditions.
This switch is rated for 100A, 240V, three-pole operation with a fusible configuration. It is compatible with standard three-phase feeders and integrates within Eaton’s Series K protection lineup, enabling straightforward upgrades or retrofits alongside other Eaton safety devices while maintaining regulatory compliance.
Regular inspection of fuse elements, wiring connections, and the Posi-Lok mechanism is recommended. The UL Listed certification supports regulatory compliance, while the rugged NEMA 3R enclosure minimizes weather-related wear. Over time, predictable maintenance reduces downtime, extends equipment life, and lowers total cost of ownership in industrial facilities.