Eaton DCU1155UWM-000W Heavy Duty DC Disconnect - UL Listed
Part Number: DCU1155UWM-000W
Quick Summary
Eaton DCU1155UWM-000W heavy-duty DC disconnect provides safe, high-current isolation for industrial DC power systems. Engineers often struggle with limited installation space, harsh environments, and the need to maintain uptime in 1500 VDC networks. This unit ships UL Listed and is housed in a 304 stainless steel, NEMA 4X enclosure, offering durable protection against corrosion and washdown. The combination of a single non-fusible circuit and an upper viewing window supports fast status checks, while enabling robust reliability for energy storage, solar, and DC power distribution applications. By leveraging its rugged construction and clear safety features, businesses can reduce maintenance costs and improve system availability.
Product Information
Extended Description
DCU1155UWM-000W Eaton: Eaton, 1500 VDC 1 Ckt, 400A, Non-Fusible, N4X SS,,.,
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU1155UWM-000W
UPC
786689791827
Product Length/Depth
8.15 in
Product Height
57.47 in
Product Width
24.12 in
Product Weight
130.2 lb
Certifications
UL Listed
Type
DC unground
Amperage Rating
400 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
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Double Up on Safety
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Feature 1: 1500 VDC rating and 400 A amperage for a single circuit. Business impact: Enables safe isolation of high-voltage DC power with a compact footprint, reducing panel complexity while meeting critical safety and performance requirements. Application: Suitable for energy storage, solar, and industrial DC power distribution where high voltage isolation is required. Feature 2: Non-fusible protection. Business impact: Simplifies maintenance by eliminating fuse replacement and reduces fault escalation during routine inspections. Application: Ideal for mission-critical DC feeders in harsh environments. Feature 3: NEMA 4X enclosure with 304 stainless steel. Business impact: Delivers superior corrosion resistance and washdown capability, lowering lifecycle costs in damp or corrosive environments. Application: Outdoor or humid facilities, chemical plants, and food-processing settings. Feature 4: UL Listed with upper window. Business impact: Promotes compliance and fast visual verification of status without opening the enclosure. Application: Industrial plants needing verified isolation before maintenance. Feature 5: Compact footprint and integrated viewing window. Business impact: Supports easier installation in limited spaces while keeping operators informed of disconnect status. Application: Control panels, switchgear houses, and equipment rooms where space is at a premium. Feature 6: 1 circuit, DC unground type. Business impact: Reduces complexity and potential fault paths, improving reliability and ease of testing during commissioning. Application: Solar and microgrid DC distribution where single-point isolation is essential.
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FAQs
The unit measures 24.12 in wide by 57.47 in high and 8.15 in deep, with a 304 stainless steel NEMA 4X enclosure and an upper window for quick status checks. It is designed for wall mounting within industrial control panels and can be integrated alongside other UL-listed devices in standard electrical rooms.
This disconnect is rated for 1500 VDC, 400 A, with a single circuit and non-fusible protection. It is a DC unground type, providing a straightforward, safe isolation point for high-voltage DC power networks in energy storage and solar applications.
Yes. The 1500 VDC rating, 304 stainless steel enclosure, and UL-listed status make it appropriate for solar storage and other high-voltage DC distributions exposed to challenging environments. The NEMA 4X enclosure delivers corrosion resistance and washdown capability typical of harsh industrial facilities.
The DCU1155UWM-000W is UL Listed and features a NEMA 4X enclosure made from 304 stainless steel. These attributes support safety, reliability, and compliance in industrial facilities requiring robust protection against dust, water, and corrosion.
Non-fusible disconnects reduce maintenance complexity by eliminating fuse replacements and associated wear. The rugged NEMA 4X enclosure lowers corrosion-related costs, while the UL-listed certification aids in regulatory compliance. Overall, expect lower ongoing maintenance needs and improved uptime for high-voltage DC systems.