Eaton DCG1103UXM DC Disconnect - NEMA 4X 1000VDC
Part Number: DCG1103UXM
Quick Summary
DCG1103UXM is a heavy-duty DC disconnect designed for solar PV installations. In harsh outdoor environments, downtime and corrosion are real challenges; this unit’s 316 stainless steel enclosure and NEMA 4X rating mitigate those risks. It meets NEC 690 PV standards through UL 1741 and UL 98B certifications, reinforcing safety and reliability for code-compliant operations. Designed for a grounded, non-fusible approach, it provides straightforward isolation while simplifying maintenance and service. This makes it a practical choice for industrial solar projects and distributed energy installations, delivering reliable performance in outdoor arrays and rooftop systems.
Product Information
Extended Description
DCG1103UXM 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,1,Isolated return,DC photovoltaic systems,1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG1103UXM
UPC
786685557779
Product Length/Depth
25.5 in
Product Height
9 in
Product Width
13.25 in
Product Weight
24 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
1
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
Feature: 100A amperage rating with 1 circuit and non-fusible protection → Business Impact: Enables safe, code-compliant DC isolation with minimal arc risk in PV circuits → Application: DC PV system between array and inverter where a single, dedicated disconnect is required. Feature: Maximum voltage of 1000 VDC with grounded, isolated-return configuration → Business Impact: Supports high-open-circuit PV voltages while maintaining clear isolation boundaries → Application: Utility-scale and commercial solar installations demanding robust high-voltage safety. Feature: NEMA 4X enclosure made from 316 stainless steel → Business Impact: Superior corrosion resistance and weatherproofing reduce maintenance and downtime in outdoor environments → Application: Rooftop and exposed outdoor PV installations. Feature: Main lug capacity up to #14-1/0 AWG with solid return → Business Impact: Simplifies wiring, reduces labor during installation, and supports common PV conductor sizes → Application: Field connections for DC PV circuits with reliable lug performance. Feature: Isolation option with grounded return → Business Impact: Improves safety by preventing backfeed and simplifying servicing → Application: Grounded DC PV configurations in industrial facilities. Feature: Warranty of 1 year from installation or 18 months from shipment → Business Impact: Mitigates procurement risk and supports lifecycle planning → Application: Procurement and commissioning for mid-to-large solar projects.
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FAQs
Plan for outdoor mounting with adequate clearance, connect conductors using #14-1/0 AWG lugs, and observe the unit’s dimensions (25.5 in L, 13.25 in W, 9 in H). Use the grounded, isolated-return configuration for DC PV circuits and ensure NEC 690 compliance per UL 1741 during commissioning.
The DCG1103UXM provides 100A amperage, 1 circuit, and supports a maximum of 1000 VDC. It is non-fusible and grounded, with a configuration suitable for DC photovoltaic applications, offering reliable isolation and safe operation in PV systems.
Yes. It features a NEMA 4X enclosure constructed from 316 stainless steel, delivering excellent weather resistance and corrosion protection for outdoor rooftop and exposed installations, while maintaining safe, durable DC isolation in challenging conditions.
The unit aligns with NEC 690 PV standards via UL 1741 and UL 98B certifications, ensuring safe DC PV operation and code compliance for solar installations.
The product carries a 1-year warranty from installation or 18 months from shipment per Eaton policy 25-000. This coverage helps manage procurement risk, while the rugged enclosure lowers ongoing maintenance costs in harsh environments.