Eaton DH324NRKA1240 Auxiliary Power Switch - UL Listed
Part Number: DH324NRKA1240
Quick Summary
The Eaton auxiliary power switch DH324NRKA1240 provides a robust 200 A, 240 V control solution for heavy-duty industrial applications. Facility teams often wrestle with unsafe, exposed controls and inconsistent protection; this solution pairs fusible protection with neutral inside a weather-rated NEMA 3R enclosure. UL Listed, NEMA 3R suitability, and Class H fuse provisions support safety, reliability, and regulatory alignment for critical operations. With 4-wire, three-pole wiring and 240 V service, it supports 15, 25, and 60 HP loads while enabling straightforward maintenance and scalable panel design. Designed for industry, it reduces downtime and total cost of ownership by delivering durable hardware, clear documentation, and easy integration with GFI receptacle options.
Product Information
Extended Description
DH324NRKA1240 Eaton: Eaton auxiliary power switch, 15A GFI receptacle, 240 Vac auxiliary circuit V, 200 A, NEMA 3R, Painted galvanized steel, Class H, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 15, 25/ 60 hp (1,3PH @Std/3PH @TD), #6-250 kcmil Cu/Al
Product Name
Eaton auxiliary power switch
Catalog Number
DH324NRKA1240
UPC
782116418381
Product Length/Depth
11.25 in
Product Height
27.63 in
Product Width
16 in
Product Weight
52 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
Amperage Rating
200A
HP rating - max
15, 25/ 60 hp (1,3PH @Std/3PH @TD)
Voltage rating
240V
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Wire size
#6 AWG-250 kcmil Cu/Al
Product Category
Heavy Duty, Fusible with neutral
Special features
15A GFI receptacle, 240 Vac auxiliary circuit V
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH324NRKA1240
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Heavy-duty fusible safety switch with neutral provides reliable overload protection and safe isolation for energized equipment. The fusible-with-neutral design simplifies protection schemes while keeping the neutral path available for control circuits. This translates to less incidental tripping and more predictable motor startup in manufacturing lines, packaging equipment, and conveyor systems. Business Impact: Reduces unplanned downtime, supports compliant disconnect strategies, and simplifies troubleshooting in high-volume environments. Application: Ideal for industrial motors, feeders, and control panels requiring reliable 240 V 200 A switching with neutral handling and safe, code-compliant isolation. Long-tail keywords: heavy duty fusible safety switch, neutral path, three-pole 240 V, 200 A, UL Listed.
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FAQs
For proper installation, plan for a three-pole, four-wire connection at 240 V using #6 AWG through 250 kcmil Cu/Al conductors, with a Class H fuse. Mount the unit inside a NEMA 3R painted galvanized steel enclosure, ensuring secure terminations and adherence to local electrical codes. Confirm panel cutouts and mounting clearance for service access.
The 200 A amperage rating at 240 V supports motor control for 15, 25, and 60 HP loads (depending on service conditions). The three-pole, four-wire design provides a balanced, stable phase arrangement with a neutral path for control circuits, enabling safe switching, clean off-state isolation, and reliable fault-current interruption in industrial drives.
Yes, the NEMA 3R enclosure and painted galvanized steel construction suit outdoor or harsh indoor environments, including manufacturing, water treatment, mining, and packaging lines. The unit supports field devices via a 15 A GFI receptacle, adding practical convenience for control panels and maintenance tasks in challenging facilities.
Key certifications include UL Listed status and a NEMA 3R enclosure rating, along with Class H fuse provisions and fusible with neutral configuration. These certifications aid safety audits, regulatory compliance, and supplier qualification processes, making the switch suitable for formal procurement and quality assurance requirements in industrial environments.
Maintenance focuses on periodic inspections of terminations, fuse status, and enclosure integrity. The unit weighs 52 lb and uses robust hardware designed for long service life, reducing replacement frequency. ROI benefits include lower downtime, improved safety, and simplified wiring and servicing, supported by a one-year warranty (or 18 months from shipment) per Eaton policy.