Eaton DS363FX NEMA 7/9 DC disconnect switch - UL Listed
Part Number: DS363FX
Quick Summary
Eaton NEMA 7/9 DC disconnect switch isolates DC power in hazardous locations for safe machine shutdown and maintenance. This design addresses the common struggle of unreliable isolation and noncompliant enclosures that extend downtime and increase risk. The unit carries UL Listed status with NEMA 7/NEMA 9 enclosure capabilities and a cast aluminum housing, reinforcing rugged operation in tough environments. With a 100 A rating, three-pole configuration, and Class J fuse provisions, it supports reliable protects, meeting critical installation and regulatory requirements while delivering cost-effective, long-term safety benefits for industrial automation systems.
Product Information
Extended Description
DS363FX Eaton: Eaton NEMA 7/9 dc disconnect switch, 100 A, NEMA 7/9, Cast aluminum, Class J, Three-pole, Three-wire, 600 Vac, 125/250 Vdc, Complete unit, Max Hp: 60, 75/ 20 hp (3PH @480,600 V/250 Vdc), #1-1/0 AWG Cu
Product Name
Eaton NEMA 7/9 DC disconnect switch
Catalog Number
DS363FX
UPC
782114858660
Product Length/Depth
10.4 in
Product Height
23.31 in
Product Width
17.31 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 class provision
Class J
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Heavy duty hazardous location disconnect switch
Wire size
#1-1/0 AWG Cu
Amperage Rating
100A
HP rating - max
60, 75/ 20 hp (3PH @480,600 V/250 Vdc)
NEMA rating
NEMA 7, NEMA 9
Voltage rating
600 Vac, 480 Vac, 250 Vdc
Product Category
Heavy Duty, Fusible
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - DS363FX
Feature: 100 A amperage rating enables robust load handling and protective isolation, reducing arc flash exposure during maintenance. Benefit: Improves safety protocols and enables quick, secure shutdown of DC circuits, lowering downtime and maintenance costs in harsh environments. Application: Industrial automation systems with high-current DC controls, including mining and chemical processing. Feature: NEMA 7/9 enclosure with cast aluminum construction provides durable protection against dust, water, and corrosive atmospheres. Benefit: Longer service life in demanding locations, fewer field repairs, and lower total cost of ownership. Application: Hazardous-location installations where environmental exposure is a concern. Feature: Fusible without neutral with Class J fuse provision offers built-in overcurrent protection aligned to standard electrical practices. Benefit: Simplifies wiring, improves compliance with protection schemes, and reduces risk of damage to sensitive DC circuits. Application: Systems requiring fuse-based protection in three-wire DC feeds. Feature: Three-pole, three-wire configuration and #1-1/0 AWG Cu wire size specification support easy integration with existing DC motor and drive plants. Benefit: Streamlined installation, predictable current paths, and reliable fault-clearing performance. Application: Motor control centers and drive panels in heavy-duty applications. Feature: 600 Vac, 480 Vac, 250 Vdc voltage ratings deliver flexible compatibility across mixed DC/AC systems. Benefit: One disconnect switch supports multiple system voltages, reducing part spares and inventory. Application: Plants with mixed-energy systems or upgrades requiring versatile DC disconnection. Feature: Complete unit with heavy-duty, hazardous-location designation ensures ready-to-install performance without additional accessory sourcing. Benefit: Faster commissioning, fewer installation errors, and improved project timelines. Application: New installations and retrofits in industrial facilities requiring rapid, compliant DC isolation.
Get a Quick Quote for a Eaton DS363FX
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 DS363FX?
Enquire Now
FAQs
The DS363FX uses a NEMA 7/9 cast aluminum enclosure and is a complete, three-pole disconnect switch. Plan for three-wire wiring with #1-1/0 AWG copper conductors and consider Class J fuse provisions. Ensure mounting matches the enclosure's rated environment and verify UL Listed compliance before energizing in hazardous locations.
DS363FX is rated for 100 A with HP ratings up to 60 hp, plus 75/20 hp for 3-phase operation at 480/600 V or 250 Vdc. It supports 600 Vac, 480 Vac, and 250 Vdc, enabling versatile drive and motor control in mixed voltage systems.
Yes, DS363FX is UL Listed. It features a NEMA 7/9 enclosure rating suitable for hazardous locations, a cast aluminum enclosure, and a Class J fuse provision, delivering compliant isolation and protection for DC circuits in demanding environments.
Ideal for heavy-duty industrial automation, mining, chemical processing, and any DC control panels requiring reliable, code-compliant isolation. The three-pole design, rugged enclosure, and fuse provisions support safe shutdowns during maintenance and upgrades while protecting personnel.
Maintenance benefits come from UL Listed reliability and a robust NEMA 7/9 enclosure that reduces field repairs. The fuse provision simplifies protection schemes, helping prevent costly downtime and equipment damage, while the unit’s compatibility with common drive systems supports fast return on investment through safer, faster servicing.