Eaton DCU1102UXM DC Disconnect - 1000 VDC, NEMA 4X
Part Number: DCU1102UXM
Quick Summary
DCU1102UXM is a heavy-duty DC disconnect designed for solar PV systems, delivering 60 A at up to 1000 VDC. In the field, contractors face corrosion, harsh weather, and wiring challenges that slow commissioning and impede safety. This unit features a 316 stainless steel NEMA 4X enclosure for reliable protection in demanding environments, and it is certified to NEC 690 per UL 1741 and UL 98B, supporting essential PV regulations. The ungrounded, non-fusible design simplifies isolation while accommodating #14-#2 AWG conductors, delivering a solid base for robust industrial electrical protection in utility-scale and commercial solar projects. For procurement teams, the combination of durability, compliance, and straightforward installation translates to reduced risk and faster project turnover.
Product Information
Extended Description
DCU1102UXM Eaton: Eaton Heavy duty DC disconnect, 60 A, NEMA 4X, Grade 316 stainless steel, Non-fusible, Ungrounded, #14-#2 AWG lug capacity, #14-#2 AWG solid return, 1, DC photovoltaic applications, Rating:1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU1102UXM
UPC
786685558004
Product Length/Depth
10.22 in
Product Height
14.14 in
Product Width
8.76 in
Product Weight
21 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
NEC 690 per UL 1741 UL 98B
Catalog Notes
Not all configurations for ampere rating and number of circuits are available. All circuit configurations can be found in the product dimension tables.
Type
DC disconnect/ungrounded system
Amperage Rating
60 A
Number of circuits
1
Ground
Ungrounded
Protection
Non-fusible
Application
Solar
Main lug wire size
#14-#2 AWG lug capacity, #14-#2 AWG solid return
System voltage
1000 VDC
Voltage rating
1000 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 → Business Impact → Application: 60 A amperage rating enables reliable, code-compliant DC isolation for mid-size solar arrays, reducing the risk of arc flash during maintenance and improving system uptime. This rating supports straightforward integration with common array wiring schemes while aligning with PV safety standards and NEC 690 requirements. Application: Utility-scale and commercial solar installations benefit from predictable performance and safe shutoff capabilities in harsh environments. Feature → 316 stainless steel enclosure provides superior corrosion resistance and long-term durability, decreasing maintenance costs and extending service life in outdoor, humid, or coastal sites. Application: Outdoor PV rooftops and ground-mounted systems where weather resistance is critical. Feature → NEMA 4X enclosure with UL 1741/UL 98B alignment ensures electrical protection and code compliance, supporting safer field operations and streamlined inspection processes. Application: Environments with exposure to dust, moisture, and chemical exposure. Feature → Ungrounded, non-fusible design simplifies switching routines and reduces risk of unintended energization, enabling faster, safer maintenance work. Application: Routine DC isolation during commissioning, testing, and routine servicing. Feature → Lug capacity for #14-#2 AWG conductors and solid returns facilitates flexible wiring options and minimizes field termination complexity, accelerating installation. Application: Standard PV wiring configurations and easy retrofits or expansions. Feature → 1 circuit, 60 A, 1000 VDC rating matches common PV subarray requirements, enabling modular, scalable protection for growing solar projects. Application: System architecture planning for evolving solar deployments.
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FAQs
Installation requires a single 60 A circuit with #14-#2 AWG conductors. The ungrounded, non-fusible design is intended for safe isolation during maintenance. Follow NEC 690 guidelines and secure the 316 stainless steel enclosure to a suitable mounting surface, connecting conductors to the main lug terminals per the product’s dimension and wiring tables.
The DCU1102UXM aligns with NEC 690 per UL 1741 and UL 98B, providing recognized requirements for PV systems and overcurrent protection. Its NEMA 4X enclosure and 316 stainless steel construction support external environmental protection and corrosion resistance essential for outdoor solar installations.
Yes. The 316 stainless steel, NEMA 4X enclosure offers superior corrosion resistance, making it a strong option for coastal or salty-air environments where harsh weather and exposure demand robust protection for DC disconnects.
Non-fusible DC disconnects provide reliable isolation without internal fusing, simplifying maintenance and reducing potential fuse-related failure points. They pair well with external fusing schemes mandated by local codes and offer straightforward operation for routine testing and service.
Eaton offers a one-year warranty from installation or 18 months from shipment, whichever occurs first. This coverage supports field service, spare parts availability, and access to Eaton’s technical resources for installation guidance and compliance queries.