Eaton DS363UX DC disconnect switch - NEMA 7/9
Part Number: DS363UX
Quick Summary
Eaton DS363UX DC disconnect switch is a rugged, single-throw solution for safe isolation of DC power in industrial equipment. Maintenance teams often wrestle with reliable shutdowns while minimizing exposure to arc flash and downtime. This UL Listed unit features a cast aluminum NEMA 7/9 enclosure and a three-pole, non-fusible design to withstand harsh environments. The DS363UX supports 100 A and multiple voltage levels, simplifying panel design and compliance. With a complete, ready-to-install package, it reduces wiring complexity and inventory needs while delivering robust protection in demanding applications such as DC distribution and heavy-duty control panels.
Product Information
Extended Description
DS363UX Eaton: Eaton NEMA 7/9 dc disconnect switch, Single-throw, 100 A, NEMA 7/9, Cast aluminum, Non-Fusible, Three-pole, Three-wire600 Vac, 480 Vac, 250 VdcComplete unit, 20 at 250 Vdc, 60 at 480 Vac, 75 at 600 Vac, NEMA 7/9, #1-1/0 AWG Cu
Product Name
Eaton NEMA 7/9 DC disconnect switch
Catalog Number
DS363UX
UPC
782114858707
Product Length/Depth
10.28 in
Product Height
18.67 in
Product Width
14.67 in
Product Weight
89 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
Design
Complete unit
Enclosure
NEMA 7, NEMA 9
Enclosure material
Cast aluminum
Fuse configuration
Non-fusible
Number Of Poles
Three-pole
Number of wires
3
Type
Single-throw
Wire size
#1-1/0 AWG Cu
Amperage Rating
100A
HP rating - max
20 at 250 Vdc, 60 at 480 Vac, 75 at 600 Vac
NEMA rating
NEMA 7, NEMA 9
Voltage rating
600 Vac, 480 Vac, 250 Vdc
Product Category
Heavy Duty, Non-Fusible
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - DS363UX
Feature → Business Impact → Application: 100 A amperage rating across a three-pole, three-wire configuration delivers reliable isolation for high-current DC circuits, reducing fuse-stock requirements and downtime in motor controls and power distribution. This capability translates to predictable performance and safer maintenance windows in harsh industrial environments. Feature → The unit is non-fusible with a single-throw action, enabling fast, straightforward operation and minimizing arc flash exposure during shutdowns; Application → Ideal for DC control panels and stand-alone isolation points in manufacturing lines. Feature → NEMA 7/9 enclosure with cast aluminum construction provides rugged protection against dust, moisture, and mechanical impact; Application → Suitable for both indoor and outdoor installations, machine rooms, and outdoor equipment housings. Feature → Wire size compatibility #1-1/0 AWG Cu and voltage ratings up to 600 Vac / 250 Vdc; Application → Supports heavier conductor runs and mixed AC/DC systems in power distribution and equipment controls. Feature → Complete unit with three poles and three wires simplifies installation and serviceability, reducing lead times and on-site assembly; Application → Effective in retrofit projects and new panel builds where fast commissioning matters. Feature → HP ratings of 20 at 250 Vdc, 60 at 480 Vac, 75 at 600 Vac demonstrate broad performance for motor and drive circuits; Application → Ensures compatibility with existing industrial loads while enabling scalable control solutions.
Get a Quick Quote for a Eaton DS363UX
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton DS363UX?
Enquire Now
FAQs
The DS363UX is a three-pole, non-fusible DC disconnect switch designed for three-wire installations. It accepts #1-1/0 AWG Cu conductors and supports 600 Vac, 480 Vac, and 250 Vdc. It ships as a complete unit intended for NEMA 7/9 enclosures, simplifying mounting and reducing on-site assembly time. For best results, mount within UL-listed panels that meet NEMA 7/9 conditions and follow the wiring diagram in the Eaton datasheet.
The DS363UX is rated for 100 A with HP ratings of 20 at 250 Vdc, 60 at 480 Vac, and 75 at 600 Vac. It supports voltage ratings of 600 Vac, 480 Vac, and 250 Vdc, making it suitable for a wide range of DC control and AC power distribution applications. This combination enables safe DC isolation in heavy-duty equipment while accommodating common industrial motor drives and control circuits.
Yes. The DS363UX features a NEMA 7/9 enclosure constructed from cast aluminum, providing robust protection against dust, moisture, and mechanical impact typical of industrial settings. UL Listed certification further supports reliability and compliance in harsh environments, making it a dependable choice for outdoor panels and exposed electrical installations.
The DS363UX is UL Listed and engineered for NEMA 7/9 enclosures, ensuring compliance with essential safety and performance standards for heavy-duty electrical protection devices. These certifications translate to safer installations, easier code compliance, and clearer procurement requirements for engineers and specifiers in manufacturing and power distribution projects.
The product is covered by Eaton's warranty policy: one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance for a non-fusible disconnect like this unit typically involves periodic inspection of wiring terminations and enclosure integrity. Its robust cast aluminum construction and UL-listed certification help minimize field service needs and extend panel life, delivering favorable total cost of ownership in heavy-duty applications.