Eaton DCG1104UXM DC Disconnect - NEMA 4X 1000 VDC
Part Number: DCG1104UXM
Quick Summary
DC disconnects from Eaton provide safe, non-fusible isolation for solar PV systems up to 1000 VDC. This heavy-duty unit addresses common site challenges such as corrosion, weather exposure, and maintenance downtime by delivering rugged reliability in outdoor installations. Certifications including NEC 690 per UL 1741 and UL 98B ensure code compliance and electrical safety in harsh environments, while the NEMA 4X enclosure and 316 stainless steel construction resist corrosion from moisture and chemicals. Built for long-term operation, it also supports straightforward wiring and serviceability, helping you meet project timelines and reduce lifecycle costs without compromising safety or performance.
Product Information
Extended Description
DCG1104UXM Eaton: Eaton heavy duty DC disconnect,200A,NEMA 4X,Grade 316 stainless steel,Non-fusible,Grounded,LC: In 300 MCM-#6 out 300 MCM-#6. SR: in 300 MCM-#6 out 300 MCM-#6. EG: in #4-#14 AWG out 1/0-#14,1,Isolated return,DC photovoltaic systems,1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG1104UXM
UPC
786685625331
Product Length/Depth
35.38 in
Product Height
11.63 in
Product Width
16.54 in
Product Weight
45 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
Type
DC disconnect/grounded system
Amperage Rating
200 A
Number of circuits
1
Ground
Grounded
Maximum voltage
1000 VDC
NEMA rating
NEMA 4X
Protection
Non-fusible
Application
Solar
Main lug wire size
LC: In 300 kcmil-#6 out 300 kcmil-#6. SR: in 300 kcmil-#6 out 300 kcmil-#6. EG: in #4-#14 AWG out 1/0-#14
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
DC photovoltaic systems Heavy duty
Protection
Non-fusible
(Feature → Business Impact → Application) The 200 A amperage rating supports high-current PV arrays, enabling fewer disconnects in larger solar installations and reducing series resistance concerns, which translates to improved system efficiency and lower installation time. In practice this means cost-effective protection for rooftop or ground-mounted solar projects where reliability is critical. The unit’s 1000 VDC maximum voltage accommodates modern PV strings, while the 316 stainless steel NEMA 4X enclosure delivers corrosion resistance in outdoor environments, extending maintenance intervals and reducing downtime in coastal or harsh industrial sites. Grounded with isolated return, the design minimizes fault propagation and simplifies fault isolation during maintenance, boosting safety and compliance for utility-scale or commercial solar deployments. The non-fusible protection and clear single-circuit configuration simplify compliance documentation and on-site testing, accelerating commissioning and reducing commissioning risk in regulated projects. Wiring options—LC, SR, and EG—support flexible field connections for power, control, and low-voltage circuits, enabling faster, cleaner installations with compatible lugs up to 300 kcmil-#6 and AWG ranges. In real-world projects, installers value the straightforward wiring catalog and robust year-one warranty for predictable ROI and reduced warranty risk.
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FAQs
The DCG1104UXM is designed for 200 A, 1000 VDC solar PV applications with a single circuit configuration. It supports LC wiring (300 kcmil-#6 in/out), SR wiring (300 kcmil-#6 in/out), and EG wiring (in #4-#14 AWG out 1/0-#14). Its NEMA 4X stainless steel enclosure allows outdoor installation, while its grounded, isolated return design improves fault isolation and safety during servicing.
Key specs include a 200 A amperage rating, 1000 VDC maximum voltage, non-fusible protection, and a grounded, isolated return configuration. It is intended for solar PV systems and is certified for NEC 690 per UL 1741 and UL 98B, with an enclosure rated NEMA 4X and constructed from 316 stainless steel for durability in challenging environments.
Yes. The unit features a NEMA 4X enclosure and 316 stainless steel construction, providing excellent corrosion resistance in outdoor and harsh environments. With 1000 VDC system voltage capability and a robust 200 A rating, it is well-suited for outdoor solar arrays and rooftop deployments requiring reliable isolation and long-term durability.
It meets NEC 690 per UL 1741 and UL 98B, ensuring compliance with solar-specific disconnect requirements and general electrical safety. The NEMA 4X enclosure and 316 stainless steel construction further support rugged outdoor use, while the grounded, isolated return design aligns with industry best practices for PV installations.
Warranty details specify Eaton's policy 25-000: one year from installation or 18 months from shipment, whichever occurs first. The 45 lb unit’s durable construction and corrosion-resistant enclosure reduce maintenance frequency and downtime, yielding lower lifecycle costs and a favorable ROI for commercial and utility-scale solar projects.