Eaton DCG1105UWM Heavy Duty DC Disconnect - NEMA 4X
Part Number: DCG1105UWM
Quick Summary
Eaton DCG1105UWM heavy duty DC disconnect is designed to safely isolate solar PV DC distributions up to 1000 VDC while delivering reliable protection for critical processes. In the field, installers contend with exposure, corrosion, and the need for quick, safe maintenance during routine service. UL Listed safety certification, a NEMA 4X enclosure, and 304 stainless steel construction ensure robust protection in outdoor or challenging indoor environments. This non-fusible, grounded disconnect supports photovoltaic applications with isolated return, helping improve system safety and reliability across solar installations. Coupled with straightforward installation and Eaton’s warranty coverage, it offers a compelling combination of performance, durability, and total cost of ownership savings.
Product Information
Extended Description
DCG1105UWM Eaton: Eaton heavy duty DC disconnect,400A,NEMA 4X,Grade 304 stainless steel,Non-fusible,Grounded,1,Isolated return,DC photovoltaic systems,1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG1105UWM
UPC
786685865997
Product Length/Depth
12.42 in
Product Height
57.47 in
Product Width
24.12 in
Product Weight
60 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
Type
DC disconnect/grounded system
Amperage Rating
400 A
Number of circuits
1
Ground
Grounded
Maximum voltage
1000 VDC
NEMA rating
NEMA 4X
Protection
Non-fusible
Application
Solar
System voltage
1000 VDC
Voltage rating
1000 VDC
Series
DC photovoltaic applications
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse configuration
Non-fusible
Isolation
Isolated return
Switch type
Heavy duty DC photovoltaic systems
Protection
Non-fusible
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - DCG1105UWM
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Rated four hundred amperes with a single circuit. Business Impact: Handles large PV arrays with a safe operating margin, reducing fault risk and downtime. Application: Suitable for commercial and utility‑scale solar DC distributions. Feature: NEMA 4X enclosure in 304 stainless steel. Business Impact: Delivers corrosion resistance and weather protection, lowering maintenance costs in outdoor installations. Application: Outdoor PV arrays and harsh indoor environments. Feature: Grounded, isolated return and non-fusible protection. Business Impact: Improves fault clarity and operator safety, simplifying downstream protective coordination. Application: Solar PV systems requiring reliable isolation and safe fault handling. Feature: UL Listed with 1000 VDC rating. Business Impact: Supports regulatory compliance and fast inspection, enabling smoother procurement. Application: Industrial and utility solar projects. Feature: Heavy‑duty construction with clear documentation. Business Impact: Reduces lifecycle costs through robust durability and straightforward maintenance. Application: Long-term outdoor PV installations and rugged industrial sites. Feature: Dimensions and weight: 12.42 in depth, 24.12 in width, 57.47 in height, 60 lb. Business Impact: Aids in site planning and mounting logistics, ensuring proper fit and service access. Application: Field deployment and enclosure integration.
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FAQs
Install the unit on a suitable, accessible mounting surface rated for outdoor use if needed. Connect input and output conductors to approved lugs, ensuring the isolated return is active and the enclosure is properly sealed for weather resistance. Verify that system voltage does not exceed one thousand volts DC and that the current does not exceed four hundred amperes. Follow the Eaton specification sheet for terminal torque, grounding, and safety clearances.
The DCG1105UWM is UL Listed and housed in a NEMA 4X enclosure made from 304 stainless steel, providing corrosion resistance for outdoor and harsh indoor environments. It is rated for up to one thousand volts DC and supports a single 400 A circuit with non-fusible protection and isolated return, aligning with common PV system safety standards.
Yes. It is designed for solar photovoltaic DC distributions up to one thousand volts DC and four hundred amperes, with an isolated return for safe fault management. Its rugged stainless steel enclosure and NEMA 4X rating make it appropriate for outdoor and demanding indoor installations in solar farms and commercial rooftops.
Eaton provides a warranty per policy number 25-000, offering one year from the date of installation or eighteen months from shipment, whichever occurs first. Technical documentation, including the specification sheet, is available to support installation, maintenance, and compliance checks throughout the lifecycle of the PV system.
Plan for moderate maintenance access around the 57.47 inch height, 24.12 inch width, and 12.42 inch depth enclosure, which weighs about sixty pounds. Ensure mounting provisions allow for service access, grounding, and conduit entry compatible with DC photovoltaic components. The unit is compatible with standard PV DC distribution architectures and is intended for isolated return, non-fusible protection, and 1000 VDC system voltage.