Eaton DCU2065UPM DC Disconnect - UL Listed 600 VDC
Part Number: DCU2065UPM
Quick Summary
Eaton DCU2065UPM DC disconnect provides safe, ungrounded isolation for solar PV and other high-voltage DC systems. Engineers and procurement teams often wrestle with reliable DC isolation that resists outdoor exposure and meets evolving safety codes. UL Listed and a NEMA 4-rated enclosure guard against moisture, dust, and corrosion, while the 600 VDC per-pole rating supports modern PV arrays. Designed for DC photovoltaic applications, this heavy-duty disconnect streamlines installation, reduces downtime, and supports scalable solar projects across commercial rooftops and utility-scale sites. Its robust 400 A rating and two-circuit configuration accommodate mid-size to large PV installations, while standardized Eaton specifications simplify bids and commissioning for utility-grade deployments.
Product Information
Extended Description
DCU2065UPM Eaton: Eaton heavy duty DC disconnect,DC disconnect/ungrounded system,400A,NEMA 4,Painted steel,Non-fusible,Ungrounded,600 Vdc,2,DC Photovoltaic Applications
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU2065UPM
UPC
786685865911
Product Length/Depth
12.42 in
Product Height
57.47 in
Product Width
24.12 in
Product Weight
115 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/ungrounded system
Amperage Rating
400 A
Number of circuits
2
Ground
Ungrounded
Maximum voltage
600 VDC
NEMA rating
NEMA 4
Protection
Non-fusible
Application
Solar
System voltage
600 VDC per pole
Voltage rating
600 VDC
Series
DC Photovoltaic Applications
Enclosure
NEMA 4
Enclosure material
Painted galvanized steel
Fuse configuration
Non-fusible
Switch type
Heavy duty
Protection
Non-fusible
Feature: the unit is a heavy-duty DC disconnect with an ungrounded, non-fusible design that provides robust isolation for DC circuits. Business impact: this reduces arc-flash risk, simplifies safety compliance, and speeds routine maintenance by delivering clear, local control. Application: ideal for solar DC side protection on commercial rooftops and utility-scale PV installations where reliability and quick shutdowns are critical. Paragraph continuation: The unit is rated for 400 A with two circuits, enabling mid-to-large PV strings without proliferating feeders, reducing wiring complexity and upfront hardware costs. Application: scalable PV layouts in industrial campuses and mixed-string configurations that support phased expansion. Paragraph continuation: Its NEMA 4 enclosure, painted galvanized steel, and UL Listed certification deliver outdoor durability against rain, dust, and corrosion while easing procurement and inspection cycles. Paragraph continuation: With 600 VDC per pole and a 600 VDC system rating, it aligns with modern PV voltages and simplifies protection coordination for DC distribution in commercial and utility-scale projects. Paragraph continuation: The dimensions—12.42 in deep, 24.12 in wide, and 57.47 in high at 115 lb—reflect rugged construction that requires proper mounting and space planning, with one-year warranty (or eighteen months from shipment) to support project risk management.
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FAQs
Yes. The DCU2065UPM is designed for Eaton’s DC Photovoltaic Applications series and supports two circuits at 400 A, with a 600 VDC per-pole rating. Installation should account for its 12.42 in depth, 24.12 in width, 57.47 in height, and 115 lb weight. Mounting should ensure adequate ventilation and access for maintenance, while following UL and NEMA 4 guidelines.
Key specs include a 400 A amperage rating, two circuits, ungrounded non-fusible protection, 600 VDC maximum per pole (600 VDC system voltage), and a UL Listed NEMA 4 enclosure. These parameters guide cable sizing, protection coordination, and conductor routing for safe, code-compliant PV distributions.
Yes. The enclosure is NEMA 4 rated and constructed from painted galvanized steel, providing weather resistance against moisture, dust, and corrosion. UL Listing further supports outdoor installation, while the robust build is appropriate for rooftop, open-area, and industrial environments exposed to challenging conditions.
The DCU2065UPM is UL Listed and features a NEMA 4 enclosure, 600 VDC per pole, and 400 A capacity. These certifications help satisfy utility and building-code requirements, streamline bids, and support safe operation in solar installations across commercial and industrial settings.
Warranty terms cover one year from installation or eighteen months from shipment, aiding risk mitigation. The non-fusible, ungrounded design reduces maintenance complexity, while the rugged enclosure minimizes service frequency due to environmental exposure. The two-circuit, 400 A configuration supports scalable PV deployments with predictable lifecycle costs and downtime reduction.