Eaton DCG2105FRM DC disconnect - NEMA 3R UL Listed
Part Number: DCG2105FRM
Quick Summary
Eaton heavy duty DC disconnect is designed for safe isolation of 1000 VDC photovoltaic systems in outdoor solar installations. Operators and maintenance teams struggle with safety risks and slow fault isolation when servicing energized DC equipment in harsh environments; this unit delivers reliable protection and clear fault clearing pathways. UL Listed safety compliance and a weather-resistant NEMA 3R enclosure address harsh outdoor conditions, while fusible protection and a grounded configuration support robust DC photovoltaic operation. The 400 A rating across two circuits, along with a painted galvanized steel enclosure, simplifies outdoor wiring and reduces maintenance downtime. Engineered for solar PV applications, it integrates seamlessly with Eaton protection devices to improve system reliability and long-term ROI.
Product Information
Extended Description
DCG2105FRM Eaton: Eaton heavy duty DC disconnect,400A,NEMA 3R,Painted galvanized steel,Fusible,Grounded,2,DC photovoltaic systems,1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG2105FRM
UPC
786685866093
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
2
Ground
Grounded
Maximum voltage
1000 VDC
NEMA rating
NEMA 3R
Protection
Fusible
Application
Solar
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
Heavy duty DC photovoltaic systems
Protection
Fusible
Feature: 400 A amperage rating across two circuits with fusible protection. Business impact: enables safe, code-compliant isolation for mid-to-large DC solar strings without upgrading to higher-end switchgear, reducing upfront equipment cost while enhancing fault clearing capability. Application: ideal for 1000 VDC DC photovoltaic systems where both protection and accessibility matter during commissioning and maintenance. Feature: NEMA 3R enclosure constructed from painted galvanized steel. Business impact: delivers weather resistance and structural durability in outdoor environments, lowering corrosion risk and extending service life between maintenance cycles. Application: rooftop or ground-mount PV installations where equipment is exposed to rain, dust, and temperature swings. Feature: Fusible protection with grounded configuration across two circuits. Business impact: provides clear, predictable fault isolation and arc-safety performance, reducing downtime during fault events. Application: solar projects demanding reliable protection for each DC branch while preserving a grounded return path. Feature: System voltage rating of 1000 VDC with two-pole design. Business impact: ensures compliance with contemporary PV wiring standards and simplifies protective coordination with other equipment downstream. Application: high-voltage PV arrays that require robust, code-compliant disconnects. Feature: UL Listed and industry-aligned specifications. Business impact: supports faster procurement, simpler inspections, and documented safety performance across industrial sites. Application: utility-scale and commercial solar installations where recognized safety marks streamline commissioning. Feature: General-purpose compatibility and installation advantages. Business impact: straightforward mounting and wiring for quick integration with Eaton protection devices and existing DC cabinets, reducing installation time and labor costs. Application: new builds and retrofits in solar and industrial automation environments.
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FAQs
DCG2105FRM is designed for two circuits with fusible protection and a grounded output, suited for 1000 VDC PV systems. It features a NEMA 3R weatherproof enclosure and painted galvanized steel construction, enabling straightforward mounting, wiring, and fault isolation in outdoor installations. Ensure panel space and wiring routes meet the 60 lb weight and 12.42 in depth specifications for proper support.
This unit offers a 400 A amperage rating across two circuits, fusible protection, and a grounded configuration tailored for DC PV strings. Its 1000 VDC voltage rating and NEMA 3R enclosure enhance outdoor reliability, while UL Listed compliance supports safe, code-adherent installations in rooftop and ground-mount solar projects.
Key certifications and ratings include UL Listed safety approval and a NEMA 3R enclosure rating, which provide weather resistance for outdoor use. The device is designed for 1000 VDC system voltage, supports 400 A across two circuits, and is intended for fusible, grounded DC photovoltaic applications, aligning with common utility and industrial standards.
Warranty terms follow Eaton's policy: one year from the installation date or eighteen months from shipment, whichever occurs first. Routine maintenance should focus on inspecting the painted galvanized steel enclosure for corrosion, verifying fusible protection integrity, and confirming proper grounding and labeling to sustain reliability in outdoor solar environments.
The fusible, grounded design delivers clear fault isolation, minimizing risk during maintenance and reducing downtime. The 1000 VDC rating supports contemporary PV configurations, while the rugged NEMA 3R enclosure withstands harsh outdoor conditions. These features, combined with UL Listed safety, streamline inspections and procurement, enhancing overall site reliability and ROI.