Eaton DCG1105FRM DC Disconnect - UL Listed NEMA 3R
Part Number: DCG1105FRM
Quick Summary
DC disconnect is a safety staple for solar PV systems, isolating DC circuits during maintenance and fault conditions. Many installations struggle with bulky enclosures, weather exposure, and maintenance delays that drive downtime. UL Listed safety certification and a NEMA 3R enclosure rating underpin reliability in outdoor solar sites. For buyers, the Eaton DCG1105FRM delivers robust protection plus straightforward installation, aligning with DC PV requirements and maximizing uptime in industrial solar deployments.
Product Information
Extended Description
DCG1105FRM Eaton: Eaton heavy duty DC disconnect,400A,NEMA 3R,Painted galvanized steel,Fusible,Grounded,1,Isolated return,DC photovoltaic systems,1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG1105FRM
UPC
786685866055
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 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
Isolation
Isolated return
Switch type
DC photovoltaic systems Heavy duty
Protection
Fusible
Feature: 400 A amperage rating with a 1000 VDC maximum supports large PV arrays; Business Impact: Enables safe, scalable current handling for mid-to-large solar installations, reducing fuse swaps and arc risk; Application: Solar photovoltaic applications requiring high-current DC isolation. Feature: Fusible protection provides precise overcurrent protection; Business Impact: Improves selective coordination and fault clearing, lowering risk of collateral damage; Application: DC PV systems with single-string or modular array configurations. Feature: NEMA 3R, painted galvanized steel enclosure withstands outdoor conditions; Business Impact: Extends service life in rooftop or ground-mounted installations, reducing maintenance costs; Application: Outdoor solar protection enclosures. Feature: Grounded with isolated return simplifies DC system design and fault management; Business Impact: Safer shutdowns and easier compliance with electrical safety standards; Application: DC photovoltaic protection in grounded systems. Feature: Compact, tall enclosure with 60 lb weight and defined dimensions supports versatile mounting; Business Impact: Easier integration with existing racking and electrical rooms, faster installation; Application: Industrial solar sites requiring robust, space-efficient DC disconnects. Warranty and certification: The Eaton Selling Policy 25-000 provides a one-year warranty from installation or 18 months from shipment, whichever occurs first, reinforcing total cost of ownership for long-term projects. These combined features deliver dependable, code-compliant protection across DC PV systems while enabling faster procurement and installation for engineers and procurement teams.
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FAQs
The DCG1105FRM uses a NEMA 3R enclosure in painted galvanized steel, designed for outdoor mounting. Plan for outdoor wiring access, proper clearance, and supports for 1000 VDC systems. Its 400 A rating and fusible protection simplify compliance with typical PV system layouts while enabling easy integration with existing racking and DC conductors.
The unit is rated for 400 A with a maximum voltage of 1000 VDC and provides fusible protection. It is designed as a grounded, isolated-return DC disconnect for solar PV systems, suitable for 1 circuit and DC photovoltaic applications.
Yes. It is intended for DC photovoltaic applications with up to 1000 VDC, and its fusible, grounded design supports safe isolation needed in grid-tied solar systems, particularly where outdoor, weather-resistant protection is required.
The DCG1105FRM is UL Listed and features a NEMA 3R enclosure, ensuring safety compliance and outdoor durability. These certifications support procurement approvals and align with common electrical safety standards for solar installations.
The product carries Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. For maintenance, plan for periodic fuse inspection and replacement, as well as routine enclosure checks for outdoor exposure and weather seals.