Eaton DCG3104FPM DC Disconnect - NEMA 4
Part Number: DCG3104FPM
Quick Summary
Eaton DCG3104FPM DC disconnect provides robust, high-current isolation for photovoltaic DC power paths in industrial solar installations. Engineers often struggle with safe outdoor isolation, space constraints, and regulatory compliance in 1000 Vdc systems. This unit features NEC 690 alignment per UL 1741, a NEMA 4 weather-resistant enclosure, and a grounded design to minimize arc energy and simplify fault management. Its 200 A rating, three circuits, and fusible protection translate to reliable, maintainable PV protection with longer equipment life and lower total cost of ownership. Designed for outdoor and harsh environments, it complements broader Eaton PV protection solutions while supporting efficient wiring and installation workflows.
Product Information
Extended Description
DCG3104FPM Eaton: Eaton heavy duty DC disconnect,200A,NEMA 4,Painted 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
DCG3104FPM
UPC
786685625515
Product Length/Depth
35.38 in
Product Height
11.63 in
Product Width
24.46 in
Product Weight
90 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
3
Ground
Grounded
Maximum voltage
1000 VDC
NEMA rating
NEMA 4
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 4
Enclosure material
Painted galvanized steel
Fuse configuration
Fusible
Switch type
Heavy duty DC photovoltaic systems
Protection
Fusible
Feature: 200 A amperage rating → Business Impact: Safe, predictable isolation of high-current PV strings reduces arc flash risk and simplifies fault management in large installations. Application: Ideal for 1000 Vdc PV systems with three circuits in industrial-scale projects. Feature: NEMA 4 painted galvanized steel enclosure → Business Impact: Weatherproof, corrosion-resistant housing lowers maintenance costs and protects critical DC disconnects in outdoor sites. Application: Rooftop and ground-mounted PV arrays exposed to dust, rain, or splashing water. Feature: Fusible protection → Business Impact: Quick fault isolation minimizes energy transfer during faults, improving system reliability and safety. Application: Coordinated with PV arrays and string-level protection requirements. Feature: Three circuit capability (LC, SR, EG wiring) → Business Impact: Wiring flexibility supports diverse installation configurations and simplifies field terminations. Application: Industrial PV installations with mixed conductor wiring. Feature: Grounded configuration → Business Impact: Improves fault return paths and system safety, supporting NEC compliance. Application: Solar DC systems requiring grounded isolation. Feature: Large main-lug wiring range (LC, SR, EG) → Business Impact: Facilitates fast, secure terminations using common lug sizes up to 300 kcmil-#6 → Application: Heavy-duty PV feed-throughs and large conductor runs. Feature: UL 1741/NEC 690 alignment → Business Impact: Compliance reduces project risk, speeds approval processes, and improves market acceptance. Application: Utility-grade and commercial solar deployments with strict certification needs.
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FAQs
The DCG3104FPM 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. This wiring versatility enables secure terminations for large PV feeders while maintaining proper enclosure clearances and torque specifications. Ensure enclosure mounting and wiringClearance per NEC guidance to maintain NEMA 4 integrity in outdoor environments.
DCG3104FPM is rated for 200 A with a 1000 VDC system voltage, featuring fusible protection and a grounded configuration. It supports three circuits and is designed for solar applications, meeting NEC 690 per UL 1741 and UL 98B certification requirements. These features deliver predictable fault isolation and regulatory alignment for commercial PV projects.
Yes. The enclosure is NEMA 4 with painted galvanized steel construction, providing weatherproof and corrosion-resistant performance suitable for outdoor rooftop and ground-mounted PV installations. The combination of NEMA 4 protection and grounded DC design helps maintain reliability in dust, rain, and temperature variations typical of outdoor solar environments.
The DCG3104FPM complies with NEC 690 requirements and UL 1741 for PV inverters and disconnects, along with UL 98B for enclosure protection. These certifications help streamline project approvals, ensure safety reliability, and align with industry best practices for solar DC protection equipment.
Eaton provides a warranty under policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Weight and dimensions (90 lb, 35.38 in length, 24.46 in width, 11.63 in height) influence handling and installation planning. For ROI, factor in durable painted steel enclosure and fused protection that reduces maintenance downtime in outdoor solar sites.