Eaton DCG3104FRM DC disconnect - UL 98B / NEC 690
Part Number: DCG3104FRM
Quick Summary
The Eaton DCG3104FRM heavy duty DC disconnect provides reliable isolation for solar power and other 1000 VDC installations. Project timelines often stall due to complex wiring, mismatched lugs, and uncertainty around fault protection coordination in outdoor environments. This unit carries UL 98B and NEC 690 per UL 1741 certifications and a rugged NEMA 3R enclosure, ensuring weather resistance and regulatory compliance in exposed locations. With three circuits and grounded main lugs, it offers flexible wiring options (LC, SR, and EG terminations) that streamline installation and maintenance, supporting PV systems, battery storage, and other DC PV applications. Enterprise teams benefit from predictable performance, safer commissioning, and reduced lifecycle costs through compliant, robust DC isolation.
Product Information
Extended Description
DCG3104FRM 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-#14,3,Isolated return,DC photovoltaic systems,1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG3104FRM
UPC
786685625508
Product Length/Depth
35.38 in
Product Height
11.63 in
Product Width
24.46 in
Product Weight
75 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
3
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
Switch type
DC photovoltaic systems Heavy duty
Protection
Fusible
Feature: 200 A amperage rating with three configured circuits. Business Impact: Enables safe, scalable DC distribution for mid-size solar and storage installations, reducing the need for intermediate disconnects and lowering total hardware costs. Application: PV arrays and microgrid projects where a compact, fusible DC disconnect is required. Feature: Fusible protection in a NEMA 3R painted galvanized steel enclosure. Business Impact: Delivers outdoor-ready protection that resists weather and corrosion, improving uptime in rooftop or yard deployments. Application: Outdoor solar farms and exposed utility-scale installations. Feature: Grounded system with isolated return options and diverse termination footprints (LC SR EG). Business Impact: Simplifies field wiring and supports mixed conductor types, speeding installation and maintenance while enhancing safety. Application: Hybrid PV/battery projects and sites with mixed wiring schemes. Feature: Compliance-ready design meeting UL 98B and NEC 690 per UL 1741. Business Impact: Mitigates regulatory risk, streamlines inspections, and supports utility-grade applications. Application: Solar, PV inverters, and energy storage integration. Feature: Rugged construction with three-pole configuration and clear labeling. Business Impact: Improves fault isolation and serviceability, reducing downtime during maintenance. Application: Industrial rooftop installations and remote solar stations.
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FAQs
The DCG3104FRM supports LC: In 300 kcmil-#6 out 300 kcmil-#6, SR: in 300 kcmil-#6 out 300 kcmil-#6, and EG: in #4-#14 AWG out 1/0-#14, enabling flexible, field-terminations for diverse solar and storage layouts.
Yes. The unit features a NEMA 3R enclosure made of painted galvanized steel, designed for weather resistance and outdoor installations, ensuring protection against rain, dust, and corrosion in exposed locations.
Key specs include a 200 A amperage rating, 1000 VDC system/voltage rating, three circuits, and fusible protection, making it appropriate for PV arrays and DC distributions up to 1000 VDC per NEC UL 1741 guidelines.
The DCG3104FRM is certified UL 98B and adheres to NEC 690 per UL 1741, ensuring electrical safety, fire protection standards, and compliance for solar PV installations, which simplifies inspections and utility approvals.
Warranty terms follow Eaton policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first, providing coverage for defects and performance concerns during initial deployment.