Eaton DCU3064FRM DC disconnect - UL 98B / NEMA 3R
Part Number: DCU3064FRM
Quick Summary
The Eaton DCU3064FRM is a heavy-duty DC disconnect designed for solar PV applications, delivering safe isolation for three circuits at up to 200 A. This unit addresses common installation challenges like ungrounded DC systems and outdoor exposure by combining a rugged galvanized enclosure with accessible wiring. It carries UL 98B and NEC 690 per UL 1741 requirements, with a NEMA 3R enclosure rating for weather-resilient outdoor use. In addition to the 600 VDC rating, the product supports flexible main-lug configurations and fusible protection, reducing system downtime and maintenance. For engineers and procurement teams, this translates to reliable, code-compliant isolation with faster installation and predictable performance.
Product Information
Extended Description
DCU3064FRM Eaton: Eaton heavy duty DC disconnect,DC disconnect/ungrounded system,200A,NEMA 3R,Painted galvanized steel,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,3
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU3064FRM
UPC
786685625232
Product Length/Depth
35.38 in
Product Height
11.63 in
Product Width
24.46 in
Product Weight
70 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
3
Ground
Ungrounded
Maximum voltage
600 VDC
NEMA rating
NEMA 3R
Protection
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 3R
Enclosure material
Painted galvanized steel
Fuse configuration
Fusible
Switch type
Heavy duty
Protection
Fusible
Feature: 200 A rating with three circuits enables scalable solar DC isolation. Business Impact: protects larger PV arrays without upgrading switching hardware, reducing upfront costs and enabling future expansion. Application: ideal for commercial and utility-scale PV installations needing dependable, modular DC disconnects. Feature: NEMA 3R, painted galvanized steel enclosure provides outdoor-rated protection. Business Impact: durable, weather-resistant operation lowers maintenance costs and downtime. Application: rooftop and ground-mounted solar systems in varied climates. Feature: Flexible main lug wiring options LC, SR, and EG support diverse conductor sizes (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). Business Impact: simplifies field wiring, reduces wiring errors, and speeds installation. Application: PV system interconnections and control-wiring routes. Feature: Fusible protection with a 600 VDC rating and UL NEC 690 per UL 1741 compliance. Business Impact: enhances fault isolation and regulatory alignment, easing inspections. Application: critical PV protection in industrial facilities. Feature: Compact yet robust footprint—35.38 in length, 24.46 in width, 11.63 in height, 70 lb weight. Business Impact: predictable spacing and transport enable smoother site planning. Application: retrofit projects and new builds with space constraints.
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FAQs
Install DCU3064FRM by mounting the enclosure in a compliant outdoor or electrical room location, connect conductors per the LC, SR, or EG main lug wiring specs, and verify 600 VDC rating per pole. Follow UL 98B/ NEC 690 guidelines and secure all terminations with the provided lugs and fusing. Ensure proper grounding practices for the ungrounded configuration and perform routine insulation checks after commissioning.
The unit is rated for 200 A with three circuits, an ungrounded system, and a maximum voltage of 600 VDC. It supports LC, SR, and EG wiring configurations for main lugs, and provides fusible protection. The product is designated for solar applications under the DC Photovoltaic Applications series and is enclosed in a NEMA 3R rated cabinet.
Yes. The DCU3064FRM features a NEMA 3R enclosure constructed from painted galvanized steel, designed to withstand outdoor conditions. Its 600 VDC rating and fusible protection are tailored to solar PV protection needs, and UL NEC 690 compliance further ensures suitability for outdoor rooftop and ground-mounted PV installations.
The unit is UL 98B listed and complies with NEC 690 per UL 1741 requirements. It is housed in a NEMA 3R enclosure for outdoor use, making it appropriate for solar PV installations exposed to weather while meeting relevant safety standards.
Eaton provides a warranty under policy 25-000 for one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports service, parts, and HVAC/service-related access to ensure uptime and reliability for PV disconnect equipment.