Eaton DCG4065FWM Heavy-Duty DC Disconnect - NEMA 4X
Part Number: DCG4065FWM
Quick Summary
Eaton DCG4065FWM DC disconnect provides safe, code-compliant isolation for solar PV systems. Facilities struggle with outdoor exposure, corrosion, and reliability gaps when selecting PV switchgear. UL Listed certification, a NEMA 4X enclosure, and 304 stainless steel construction ensure durability in harsh environments. This four-pole, fusible device delivers reliable fault isolation and scalable protection for utility-scale and commercial solar projects. By integrating robust wiring options and straightforward installation, it reduces maintenance costs and downtime while supporting compliant, efficient DC power distribution.
Product Information
Extended Description
DCG4065FWM Eaton: Eaton heavy-duty DC disconnect,400A,Solar,Grade 304 stainless steel,Fusible,Grounded,In/Out(LC): (1) 750 MCM-1/0 and (1) 600 MCM-#2, In/Out(SR): (2) 750 MCM-1/0,600 Vdc,NEMA 4X,4,Fusible,Four-pole,DC photovoltaic applications,Single-throw
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG4065FWM
UPC
786685865782
Product Length/Depth
12.42 in
Product Height
57.47 in
Product Width
24.12 in
Product Weight
131 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
4
Ground
Grounded
Maximum voltage
600 VDC
NEMA rating
NEMA 4X
Protection
Fusible
Application
Solar
Main lug wire size
In/Out(LC): (1) 750 kcmil-1/0 and (1) 600 kcmil-#2, In/Out(SR): (2) 750 kcmil-1/0
Number of poles
Four-pole
System voltage
600 VDC per pole
Voltage rating
600 VDC
Series
DC photovoltaic applications
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse configuration
Fusible
Switch type
DC photovoltaic systems Single-throw Heavy duty safety
Protection
Fusible
Feature → Business Impact → Application: The four-pole, fusible DC disconnect provides complete circuit isolation with per-pole 600 VDC ratings and 400 A capacity, reducing arc flash risk and simplifying maintenance tasks in solar installations. Application: PV arrays in commercial and utility-scale projects benefit from predictable performance and safer field servicing. Feature → Business Impact → Application: A heavy-duty NEMA 4X enclosure in 304 stainless steel delivers weather resistance and corrosion protection, lowering outdoor maintenance needs and extending service life. Application: Outdoor rooftop and ground-mounted PV installations require rugged protection. Feature → Business Impact → Application: In/Out LC and SR terminations up to 750 kcmil-1/0 and 600 kcmil-#2 support large conductors, reducing wiring complexity and voltage drop. Application: DC strings and main-lug connections in PV systems. Feature → Business Impact → Application: UL Listed certification streamlines procurement and compliance workflows, minimizing project risk. Application: Projects with strict regulatory requirements. Feature → Business Impact → Application: Four-pole grounded design provides a clear ground reference and safer switching for DC circuits. Application: Grounded solar DC distributions. Feature → Business Impact → Application: The enclosure is designed for DC photovoltaic applications with a robust, field-installable fuse configuration, aligning with industry best practices and reducing downtime during fuse changes. Application: Solar PV protection and isolation in harsh environments.
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FAQs
Plan for a four-pole, fusible DC disconnect rated at 400 A and 600 VDC. Mount the enclosure in a weather-protected location, connect main lugs via LC and SR terminations up to 750 MCM-1/0 and 600 MCM-#2, and ensure grounded configuration. Follow NEC/Solar PV guidelines, verify UL Listed compliance, and perform a comprehensive insulation and continuity check after wiring. The device is designed for straightforward wiring and service access, reducing installation time and risk.
The unit provides 400 A amperage rating, 600 VDC maximum voltage, four-pole configuration, fusible protection, and grounded operation. It supports DC photovoltaic applications with NEMA 4X enclosure, 304 stainless steel construction, and UL Listed certification, ensuring safe, compliant operation in challenging environments.
Yes. The enclosure is rated NEMA 4X and constructed from 304 stainless steel, delivering weather resistance and corrosion protection suitable for outdoor rooftop and ground-mounted PV sites. The UL Listed rating further confirms its suitability for exposed installations and regulated project environments.
It is UL Listed and features a NEMA 4X rated enclosure, 304 stainless steel construction, fusible protection, and a four-pole, grounded configuration. These certifications and protections support regulatory compliance, safety requirements, and procurement acceptance for solar PV projects.
The fusible, four-pole design simplifies fault isolation and fuse replacement, reducing downtime. The rugged 304 stainless steel enclosure and NEMA 4X rating minimize outdoor wear, lowering maintenance frequency. Large-conductor terminations reduce field wiring complexity, contributing to faster service and predictable long-term performance, improving total cost of ownership for PV installations.