Eaton DCG2104FRM DC disconnect for solar PV - 1000 VDC
Part Number: DCG2104FRM
Quick Summary
Eaton DCG2104FRM DC disconnect for solar PV safely isolates 200 A DC circuits up to 1000 VDC. Engineers often struggle to balance safe maintenance, rapid serviceability, and outdoor robustness in PV installations. This unit delivers UL 98B and NEC 690 compliance per UL 1741, housed in a NEMA 3R painted galvanized enclosure for durable outdoor performance. With grounded, isolated return and versatile lug options, it simplifies wiring while meeting harsh-environment requirements. For mid-to-large solar projects, the DCG2104FRM offers predictable protection, faster installation, and a clear path to lower operating costs over the system lifetime.
Product Information
Extended Description
DCG2104FRM Eaton: Eaton heavy duty DC disconnect,200A,NEMA 3R,Painted galvanized steel,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-#14,2,Isolated return,DC photovoltaic systems,1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG2104FRM
UPC
786685625461
Product Length/Depth
46 in
Product Height
10.5 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 98B NEC 690 per UL 1741
Type
DC disconnect/grounded system
Amperage Rating
200 A
Number of circuits
2
Ground
Grounded
Maximum voltage
1000 VDC
NEMA rating
NEMA 3R
Protection
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 3R
Enclosure material
Painted galvanized steel
Fuse configuration
Fusible
Isolation
Isolated return
Switch type
DC photovoltaic systems Heavy duty
Protection
Fusible
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - DCG2104FRM
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: 200 A rating with two circuits and fusible protection provides robust DC isolation for solar arrays, reducing arc flash exposure and limiting fault propagation, ideal for rooftop and ground-mounted PV inverters. This supports improved safety compliance and faster maintenance cycles in commercial installations. Feature → Business Impact → Application: NEMA 3R enclosure in painted galvanized steel enables reliable outdoor performance, resisting weather exposure and corrosion while delivering consistent protection for outdoor PV equipment and combiner boxes. Feature → Business Impact → Application: Grounded and isolated return configurations, plus specified main lug wiring (LC, SR, EG) support flexible conductor routing from 3000 kcmil-equivalent sizes down to AWG ranges, simplifying field wiring and reducing termination errors in solar projects. Feature → Business Impact → Application: Fusible protection and UL/NEC alignment ensure code-compliant protection for DC photovoltaic systems, minimizing rework and enhancing long-term equipment reliability. Feature → Business Impact → Application: Dimensioned for 46 in length, 24.12 in width, and 10.5 in height with a 60 lb weight, it fits standard electrical spaces while keeping installation straightforward and scalable for growing PV capacity.
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FAQs
The DCG2104FRM provides a 200 A, 2-circuit fusible DC disconnect designed to isolate PV DC feeders safely. Its grounded isolated return and NEMA 3R enclosure support outdoor installations, while UL 98B and NEC 690 compliance per UL 1741 ensure the protection scheme meets industry standards and local codes, reducing commissioning time and rework.
Main lug connections accommodate LC: 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. This range provides flexible wiring options for PV arrays, feeders, and related DC equipment, reducing the need for intermediate splices.
Yes. The unit uses a NEMA 3R enclosure with painted galvanized steel, designed for outdoor exposure, resistance to weather, and dependable operation in rooftop or ground-mounted PV environments.
The DCG2104FRM carries UL 98B and NEC 690 per UL 1741, supporting code-compliant protection for DC photovoltaic systems. It is also designed for safe operation in grounded, isolated-return configurations, which aligns with common utility and contractor requirements.
Eaton provides a warranty per Selling Policy 25-000, one year from installation or eighteen months from shipment, whichever occurs first. This protects against manufacturing defects and supports long-term maintenance planning for solar projects.