Eaton DCG4064UXM DC Disconnect - NEMA 4X, Solar PV
Part Number: DCG4064UXM
Quick Summary
DCG4064UXM is a heavy-duty DC disconnect designed to safely isolate solar PV circuits in outdoor installations. In harsh outdoor environments, reliability and corrosion resistance are critical to prevent downtime and costly field service. UL 98B and NEC 690 per UL 1741, plus a NEMA 4X enclosure, ensure the unit withstands weather exposure while meeting safety and code requirements. With a 200 A rating, four-pole construction, and 600 VDC capability, this disconnect supports robust protection for solar strings and reduces risk during maintenance. Built for industrial electrical protection, it accommodates large conductors up to 300 kcmil-#6 and supports efficient, compliant installation across PV systems.
Product Information
Extended Description
DCG4064UXM Eaton: Eaton heavy-duty DC disconnect,200A,Solar,Grade 316 stainless steel,Non-fusible,Grounded,In/Out(LC): 300 MCM-#6, In/Out(SR): 300 MCM-#6,600 Vdc,NEMA 4X,4,Non-fusible,Isolated return,Four-pole,DC photovoltaic applications,Single-throw
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG4064UXM
UPC
786685624969
Product Length/Depth
35.38 in
Product Height
11.63 in
Product Width
24.46 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 98B NEC 690 per UL 1741
Type
DC disconnect/grounded system
Amperage Rating
200 A
Number of circuits
4
Ground
Grounded
Maximum voltage
600 VDC
NEMA rating
NEMA 4X
Protection
Non-fusible
Application
Solar
Main lug wire size
In/Out(LC): 300 kcmil-#6, In/Out(SR): 300 kcmil-#6
Number of poles
Four-pole
System voltage
600 VDC per pole
Voltage rating
600 VDC
Series
DC photovoltaic applications
Enclosure
NEMA 4X
Enclosure material
316 stainless steel
Fuse configuration
Non-fusible
Isolation
Isolated return
Switch type
Heavy duty safety Single-throw DC photovoltaic systems
Protection
Non-fusible
Feature: 316 stainless steel enclosure with NEMA 4X rating → Business Impact: Superior outdoor weather resistance and corrosion protection → Application: Outdoor rooftop and ground-mount solar installations. This combination reduces maintenance cycles and extends service life in harsh environments. Feature: Four-pole, non-fusible DC disconnect design → Business Impact: Reliable isolation and safe de-energization during maintenance, minimizing arc flash exposure → Application: DC photovoltaic system protection and rapid string servicing. Feature: Amperage rating of 200 A and 600 VDC maximum voltage → Business Impact: Scalable protection for sizeable solar arrays and long conductor runs, ensuring compliance with system specs → Application: PV string and combiner safety in utility-scale and commercial installations. Feature: Main lug sizes LC and SR (300 kcmil-#6) and isolated return → Business Impact: Easy, secure terminations with reduced field termination time → Application: Large-diameter DC conductors in utility-grade PV projects. Feature: Enclosure material and mounting compatibility (316 stainless steel, NEMA 4X) → Business Impact: Durable, maintenance-friendly installation across rooftops and exterior equipment yards → Application: Outdoor protection for solar protection switches, with minimal corrosion risk. Feature: Certifications and compliance (UL 98B, NEC 690 per UL 1741) → Business Impact: Regulatory confidence and faster acceptance by inspectors, reducing commissioning delays → Application: Code-compliant solar projects and utility interconnection scenarios.
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FAQs
DCG4064UXM supports LC terminations up to 300 kcmil-#6 and SR terminations up to 300 kcmil-#6. This provides secure, high-current connections for large DC conductors typical in PV strings, reducing termination time and ensuring reliable performance in outdoor solar installations.
Yes. The enclosure uses 316 stainless steel with a NEMA 4X rating, designed to withstand moisture, dust, and chemical exposure. This makes it well-suited for rooftop, carport, and ground-mount PV installations in challenging environments while maintaining electrical integrity.
The unit is certified to UL 98B and NEC 690 per UL 1741, and it features a NEMA 4X enclosure. These certifications help ensure code compliance, safe operation, and easier inspections for solar projects in commercial and utility settings.
Eaton offers a warranty of one year from installation or eighteen months from shipment, whichever comes first. For lifecycle considerations, the 316 stainless steel enclosure and non-fusible design reduce corrosion-related maintenance and simplify preventive maintenance schedules.
Installers should follow standard DC PV wiring practices, ensure proper grounding, and use the isolated return configuration. The four-pole design supports independent DC paths for each string, and the 600 VDC rating aligns with common PV system voltages, aiding safe, code-compliant commissioning.