Eaton DCG2103UXM DC Disconnect - NEMA 4X 1000 VDC
Part Number: DCG2103UXM
Quick Summary
Eaton heavy duty DC disconnects provide safe, rapid isolation for solar PV systems and DC bus circuits. This solution helps prevent arc flash and unintentional energization during maintenance, addressing the toughest field challenges engineers face in outdoor arrays and commercial rooftops. Certified for NEC 690 compliance per UL 1741, along with UL 98B fire protection, these units deliver reliable protection in demanding environments. The DCG2103UXM combines rugged durability with practical wiring options, supporting two circuits in a grounded, non-fusible design. With a corrosion-resistant enclosure and generous lug capacity, it reduces maintenance intervals and enhances system uptime. For buyers, this translates to safer commissioning, easier compliance documentation, and long-term operating efficiency in solar or mixed DC applications.
Product Information
Extended Description
DCG2103UXM Eaton: Eaton heavy duty DC disconnect,100A,NEMA 4X,Grade 316 stainless steel,Non-fusible,Grounded,#14-1/0 AWG lug capacity, #14-1/0 AWG solid return,2,Isolated return,DC photovoltaic systems,1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG2103UXM
UPC
786685557892
Product Length/Depth
10.22 in
Product Height
24.95 in
Product Width
16.13 in
Product Weight
37 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
NEC 690 per UL 1741 UL 98B
Catalog Notes
Not all configurations for ampere rating and number of circuits are available. All circuit configurations can be found in the product dimension tables.
Type
DC disconnect/grounded system
Amperage Rating
100A
Number of circuits
2
Ground
Grounded
Maximum voltage
1000 VDC
NEMA rating
NEMA 4X
Protection
Non-fusible
Application
Solar
Main lug wire size
#14-1/0 AWG lug capacity, #14-1/0 AWG solid return
System voltage
1000 VDC
Voltage rating
1000 VDC
Series
DC photovoltaic applications
Enclosure
NEMA 4X
Enclosure material
316 stainless steel
Fuse configuration
Non-fusible
Isolation
Isolated return
Switch type
Heavy duty DC photovoltaic systems
Protection
Non-fusible
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DCG2103UXM
Selling Policy 25-000 - Distribution and Control Products and Services
The enclosure is a 316 stainless steel NEMA 4X housing that delivers exceptional outdoor durability, resisting moisture, dust, and corrosion for rooftop and yard installations. This directly translates to lower maintenance costs and fewer field failures, a critical factor for long-running solar sites. The unit’s two isolated DC circuits provide wiring flexibility and fault containment, reducing the risk of a single-point disruption and enabling simpler system upgrades or modular expansions. A 100 A amperage rating paired with #14-1/0 AWG lug capacity supports robust, code-compliant conductor sizing for PV arrays and DC feeders, while keeping installation straightforward for technicians. The device is non-fusible and grounded, which simplifies safety procedures, reduces arc-flash exposure, and streamlines commissioning under NEC guidelines. Rated for 1000 VDC, it enables contemporary PV systems to operate at higher voltages with improved efficiency, all while maintaining a compact footprint that fits standard electrical spaces. Applications extend from rooftop solar to industrial PV installations, with compatible configurations described in Eaton’s product dimension tables to ensure seamless integration. The warranty structure and Eaton support network further enhance total cost of ownership by promoting predictable service intervals and rapid parts availability.
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FAQs
Install the DCG2103UXM on a secure, level surface in a protected area suitable for outdoor use. Its NEMA 4X, 316 stainless steel enclosure withstands harsh environments, while two isolated DC circuits simplify wiring. Allow the 10.22 in depth, 16.13 in width, 24.95 in height footprint and plan for #14-1/0 AWG lugs with proper torque and grounding.
Yes. The DCG2103UXM is explicitly rated for up to 1000 VDC, with a 1000 VDC system voltage and a non-fusible, grounded design. It supports two circuits and lug connections for #14-1/0 AWG conductors, making it well suited for solar PV arrays and DC feeders while meeting safety and electrical code expectations.
The unit carries NEC 690 per UL 1741 and UL 98B certifications, confirming compliance with solar installation requirements and enclosure fire protection. These ratings support safe outdoor operation, moisture resistance, and robust performance in harsh environments, helping installers meet code requirements and reduce project risk for solar and industrial DC applications.
The DCG2103UXM provides two isolated DC circuits with a 100 A rating. The main lug capacity is #14-1/0 AWG, including solid returns, with grounded configuration. This design enables flexible wiring for PV arrays and DC feeders, while maintaining proper separation between circuits and simplifying future expansions or reconfigurations.
Warranty covers one year from installation or eighteen months from shipment, whichever comes first. The 316 stainless steel, corrosion-resistant enclosure minimizes maintenance needs in outdoor environments. Regular inspections of lug connections and enclosure seals are advised, but the non-fusible design reduces field component replacements and downtime, supporting a lower total cost of ownership in solar installations.