Eaton DCU1064UXM DC disconnect - 600 VDC NEMA 4X
Part Number: DCU1064UXM
Quick Summary
Eaton DCU1064UXM is a heavy-duty DC disconnect designed for solar power systems. This unit provides safe, reliable isolation in ungrounded DC distributions, helping prevent accidental energization during maintenance. It carries UL 98B and NEC 690 per UL 1741 approvals and features a NEMA 4X enclosure with 316 stainless steel construction for harsh environments. For engineers and facilities teams, it delivers code-compliant protection with robust wiring options, reducing downtime and lifecycle costs while supporting scalable PV deployments.
Product Information
Extended Description
DCU1064UXM Eaton: Eaton heavy duty DC disconnect,DC disconnect/ungrounded system,200A,NEMA 4X,Grade 316 stainless steel,Non-fusible,Ungrounded,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-#14,600 Vdc,1
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU1064UXM
UPC
786685625126
Product Length/Depth
35.38 in
Product Height
11.63 in
Product Width
16.54 in
Product Weight
45 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/ungrounded system
Amperage Rating
200 A
Number of circuits
1
Ground
Ungrounded
Maximum voltage
600 VDC
NEMA rating
NEMA 4X
Protection
Non-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
600 VDC per pole
Voltage rating
600 VDC
Series
DC Photovoltaic Applications
Enclosure
NEMA 4X
Enclosure material
316 stainless steel
Fuse configuration
Non-fusible
Switch type
Heavy duty
Protection
Non-fusible
Feature: 200 A amperage rating and 600 VDC maximum voltage. Benefit: Enables high-current solar DC isolation without frequent component replacement, reducing system downtime and providing reliable protection for utility-grade or commercial PV installations. Application: Solar DC distribution where a single, non-fusible disconnect is required for safe maintenance. Feature: Non-fusible, ungrounded design. Benefit: Simplified fault isolation and safer servicing, minimizing arc flash risk across outdoor PV arrays. Application: Outdoor solar farms and commercial PV rooftops. Feature: NEMA 4X enclosure in 316 stainless steel. Benefit: Superior corrosion resistance and weather protection in exposed environments, extending service life. Application: Outdoor or damp installations. Feature: Main lug wiring formats LC, SR, EG. Benefit: Flexible conductor compatibility reduces labor and sourcing complexity during field installs. Application: PV system interconnects using a variety of conductor sizes. Feature: UL 98B and NEC 690 per UL 1741 certification. Benefit: Ensures regulatory compliance and streamlined inspection readiness. Application: Industrial and utility PV projects seeking code-aligned DC protection. The combination of these features supports efficient installation, lower maintenance costs, and dependable PV system operation.
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FAQs
DCU1064UXM supports LC main lugs for in 300 kcmil-#6 and out 300 kcmil-#6, SR lugs same range, and EG lugs for in #4-#14 AWG to out 1/0-#14. This provides flexible field wiring for diverse PV array and combiner configurations, simplifying procurement while ensuring robust, code-compliant connections.
The unit is rated for 200 A amperage and 600 VDC maximum voltage per pole, designed for single-circuit, non-fusible DC isolation. This makes it suitable for solar DC distribution where reliable protection and straightforward maintenance are essential.
Yes. With a NEMA 4X enclosure and 316 stainless steel construction, DCU1064UXM is well-suited to outdoor and harsh environments. The ungrounded, non-fusible design provides easy isolation during maintenance, while the 200 A rating supports many commercial PV configurations. It is commonly used in outdoor solar farms and rooftop PV systems.
DCU1064UXM carries UL 98B and NEC 690 per UL 1741 approvals, aligning with electrical code requirements for PV installations. The enclosure is NEMA 4X, and the unit uses 316 stainless steel for corrosion resistance, supporting compliance in outdoor or corrosive environments.
Eaton provides a warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This warranty, combined with durable stainless steel construction and robust enclosure ratings, translates to reduced maintenance costs and lower total cost of ownership for PV projects.