Eaton DCU1154UWM-000W DC disconnect - UL Listed
Part Number: DCU1154UWM-000W
Quick Summary
The Eaton DCU1154UWM-000W DC disconnect delivers rugged isolation for 1500 VDC power systems used in solar and industrial storage. Engineers and maintenance teams need a safe, code-compliant disconnect that withstands harsh environments without sacrificing uptime. UL Listed and built in a NEMA 4X 304 stainless enclosure provide essential protection, while the unit’s robust construction supports long life in demanding sites. In addition to safety, this solution supports scalable, space-efficient DC deployment and simplifies compliance for solar, storage, and industrial automation projects. Its 55.8 lb weight, 7.27 in depth, 16.95 in width, and 35.38 in height help with precise rack and cabinet planning, reducing field modification time. Designed for demanding environments, it supports a single 200 A circuit at 1500 VDC, meeting critical safety and performance requirements for DC power distribution.
Product Information
Extended Description
DCU1154UWM-000W Eaton: Eaton, 1500 VDC 1 Ckt, 200A, Non-Fusible, N4X SS,…
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU1154UWM-000W
UPC
786689791780
Product Length/Depth
7.27 in
Product Height
35.38 in
Product Width
16.95 in
Product Weight
55.8 lb
Certifications
UL Listed
Type
DC unground
Amperage Rating
200 A
Number of circuits
1
Protection
Non-fusible
Voltage rating
1500 VDC
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Window
Upper
Protection
Non-fusible
Energy transition switches brochure - 1500 Vdc
Switching Devices Flex Center
Switching Devices Flex Center
Eaton switches fused string multi-input application
Eaton switches fused string multi-input application
Feature: 1500 VDC rating and 200 A, single-circuit operation enable safe, high-current DC isolation for large solar strings and energy storage buses. Business Impact: Reduces downtime risk, improves protection coordination, and simplifies compliance with high-voltage installation standards. Application: Ideal for industrial DC power distribution, PV arrays, and storage systems where robust, code-conforming disconnects are required. Feature: NEMA 4X stainless steel enclosure (304 stainless) delivers corrosion resistance and washdown durability. Business Impact: Extends service life in outdoor, harsh environments and reduces maintenance frequency. Application: Outdoor substations, battery storage rooms, and washdown facilities in manufacturing. Feature: Non-fusible design paired with UL Listed safety certification. Business Impact: Minimizes fuse maintenance, enhances reliability, and speeds safe shutdown procedures. Application: Critical DC systems in energy plants and automated warehouses. Feature: Upper viewing window supports quick visual status checks while enabling safe operation. Business Impact: Accelerates routine inspections and minimizes entry into live enclosures. Application: Daily maintenance of high-voltage DC networks. Feature: Compact footprint with defined dimensions plus 55.8 lb weight. Business Impact: Predictable cabinet planning, easier installation, and reduced field rework. Application: System integration in automated lines and control rooms. Feature: 1 circuit, 200 A, 1500 VDC rating with UL Listing. Business Impact: Simplifies procurement, streamlines wiring, and supports code-compliant DC distribution. Application: Solar, energy storage, and industrial DC distribution networks.
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FAQs
For installation, ensure the DC disconnect is mounted in a compliant enclosure area with adequate clearance for 1500 VDC circuits. The unit supports a single 200 A circuit and uses a 304 stainless steel NEMA 4X enclosure with UL Listing. Plan for proper lifting and handling due to its 55.8 lb weight, and confirm electrical connections follow NEC and local codes.
Key specs include a 1500 VDC rating, non-fusible protection, and a 200 A amperage with a single circuit. The device is DC ungrounded and UL Listed for safety, with a 304 stainless steel NEMA 4X enclosure. Dimensions show 7.27 in depth, 16.95 in width, and 35.38 in height, which informs cabinet and rack planning.
Yes. The 1500 VDC rating and 200 A capacity support utility-scale solar strings and energy-storage DC buses, providing safe, code-compliant isolation. The NEMA 4X stainless enclosure withstands washdown and outdoor environments, while UL listing helps meet installation codes. Its single 1-circuit design simplifies layout in compact switchgear cabinets. This reduces integration complexity and potential downtime in critical DC links.
The unit is UL Listed for electrical safety and features a NEMA 4X stainless steel enclosure, providing rugged outdoor and washdown protection. Construction uses 304 stainless steel to resist corrosion, extending life in demanding industrial environments. While CE marking is not listed in the data, verify local requirements; its UL Listing and NEMA 4X rating support many global codes.
The heavy-duty, non-fusible design minimizes fuse maintenance while providing reliable DC isolation, reducing unplanned downtime. Stainless steel enclosure extends service life in harsh environments, lowering replacement costs. UL Listing simplifies compliance, and a compact footprint aids space utilization. Overall, the device helps improve uptime and safety while lowering lifecycle costs.