Eaton DCG1155FWM-000W DC Disconnect - UL Listed, NEMA 4X
Part Number: DCG1155FWM-000W
Quick Summary
The Eaton DCG1155FWM-000W heavy-duty DC disconnect isolates 1500 VDC circuits quickly and safely for industrial power systems. Maintenance teams often battle downtime and arc-flash exposure when isolation is unreliable or hard to access; this unit delivers robust contact separation, clear status indication, and durable construction. UL Listed with a 304 stainless steel NEMA 4X enclosure and a 1500 VDC rating, it meets demanding industrial standards for harsh environments. This solution integrates seamlessly with high-voltage protection schemes, offering fusible protection and a compact footprint that supports efficient DC distribution and safe maintenance in energy storage and solar applications.
Product Information
Extended Description
DCG1155FWM-000W Eaton: Eaton, 1500 VDC 1 Ckt, 400 A, Fusible, N4X SS.,,
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG1155FWM-000W
UPC
786689791728
Product Length/Depth
8.15 in
Product Height
57.47 in
Product Width
24.12 in
Product Weight
136.2 lb
Certifications
UL Listed
Type
DC ground
Amperage Rating
400 A
Number of circuits
1
Protection
Fusible
Voltage rating
1500 VDC
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Window
Upper
Protection
Fusible
Energy transition switches brochure - 1500 Vdc
Double Up on Safety
Double Up on Safety
Eaton switches fused string multi-input application
Eaton switches fused string multi-input application
Feature: High voltage capability up to 1500 VDC and 400 A with 1 circuit; Business Impact: Enables safe isolation of high-energy DC systems, reduces arc-flash exposure, and protects downstream equipment; Application: Solar string protection, energy storage systems, and DC bus isolation in industrial plants. Feature: Fusible protection; Business Impact: Provides controlled fault isolation and coordinated protection with system fuses, lowering the risk of cascading failures; Application: DC distribution panels and battery energy storage configurations. Feature: NEMA 4X enclosure made of 304 stainless steel; Business Impact: Superior corrosion resistance and durability in damp or outdoor environments, extending service life and reducing maintenance cycles; Application: Outdoor substations and washdown-ready installations. Feature: Upper window for visual status; Business Impact: Quick fuse/contacts verification reduces maintenance time and downtime; Application: Control rooms and switchgear enclosures where rapid confirmation matters. Feature: UL Listed certification; Business Impact: Streamlined procurement and regulatory acceptance for critical facilities; Application: Industrial plants, data centers, and mission-critical environments. Feature: Large footprint with clear dimensional data (8.15 in depth, 24.12 in width, 57.47 in height) and weight of 136.2 lb; Business Impact: Clear planning and retrofit feasibility for existing DC distributions; Application: Facility upgrades and new builds needing predictable form factor.
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FAQs
The DCG1155FWM-000W is designed as a single-pole fusible DC ground disconnect suitable for 1500 VDC systems up to 400 A. Its NEMA 4X stainless steel enclosure and UL Listed certification enable straightforward integration with standard DC protection schemes and Eaton-based switchgear assemblies, reducing integration time and ensuring safe isolation in retrofit projects.
Plan for appropriate clearances, proper mounting to support a 136.2 lb unit, and alignment with 1500 VDC-rated conductors. Use the upper-window visibility feature for quick status checks, and ensure compatible fusing configurations are in place to match system protection coordination and local electrical codes.
Ideal for solar string protection, energy storage systems, and DC distribution panels in industrial settings. The 400 A, 1-circuit configuration combined with fusible protection supports reliable isolation of high-energy DC sources, reducing risk during maintenance and enabling safer de-energization procedures.
This unit is UL Listed and features a NEMA 4X-rated enclosure made from 304 stainless steel, suitable for harsh or outdoor environments. It is rated for 1500 VDC and 400 A across a single circuit, providing compliant high-voltage protection for demanding facilities.
Footprint dimensions are 8.15 in depth, 24.12 in width, and 57.47 in height, with a weight around 136.2 lb. Plan for adequate mounting space and access for maintenance, including room for visual inspection through the upper window and for fuse replacement when required.