Eaton DCU1104FPM DC disconnect - 1000 VDC, NEMA 4
Part Number: DCU1104FPM
Quick Summary
DCU1104FPM DC disconnect provides a rugged 200 A solution for solar DC circuits up to 1000 V. Operators and system integrators often struggle with harsh outdoor environments, limited enclosure space, and maintenance access; this unit's NEMA 4 steel enclosure minimizes corrosion risk and simplifies service. Key certifications—NEC 690 per UL 1741 and UL 98B—underscore safety and code compliance for PV installations. Designed to integrate with LC SR EG wiring configurations, it delivers a dependable isolation point that reduces risk and downtime, a clear business value for solar projects. This makes it a practical choice for reliable solar PV protection and electrical isolation across rooftop and utility-scale deployments.
Product Information
Extended Description
DCU1104FPM Eaton: Eaton Heavy duty DC disconnect, 200 A, NEMA 4, Painted steel, Fusible, LC: In 300 MCM-#6 out 300 MCM-#6. SR: in 300 MCM-#6 out 300 MCM-#6. EG: in #4-#14 AWG out 1/0-#14, Max:1000 Vdc, NEMA 4, 1, Fusible, System:1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU1104FPM
UPC
786685625676
Product Length/Depth
35.38 in
Product Height
11.63 in
Product Width
16.54 in
Product Weight
45 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
Type
DC disconnect/ungrounded system
Amperage Rating
200 A
Number of circuits
1
Maximum voltage
1000 VDC
NEMA rating
NEMA 4
Protection
Fusible
Application
Solar
Main lug wire size
LC: In 300 kcmil-#6 out 300 kcmil-#6. SR: in 300 kcmil-#6 out 300 kcmil-#6. EG: in #4-#14 AWG out 1/0-#14
System voltage
1000 VDC
Voltage rating
1000 VDC
Series
DC photovoltaic applications
Enclosure
NEMA 4
Enclosure material
Painted galvanized steel
Fuse configuration
Fusible
Switch type
Heavy duty
Protection
Fusible
Feature: Heavy-duty, NEMA 4 painted galvanized steel enclosure → Business Impact: Provides weatherproof protection reducing field failures in outdoor solar installations → Application: Outdoor PV arrays and harsh environments. Feature: Fusible protection → Business Impact: Limits fault currents and enhances system safety, lowering risk of arc-flash events → Application: Solar DC isolation points with compliant fault handling. Feature: 200 A amperage rating for 1 circuit → Business Impact: Supports high-current PV circuits while simplifying one-device architecture → Application: Large rooftop and small to mid-size solar farms. Feature: Compatible main lug configurations LC, SR, EG with defined conductor ranges → Business Impact: Streamlines wiring and reduces installation errors → Application: PV system integration with flexible terminations. Feature: Certifications NEC 690 per UL 1741 UL 98B → Business Impact: Accelerates approvals and ensures regulatory compliance → Application: Code-compliant PV installations. Feature: 35.38 in L x 11.63 in H x 16.54 in W footprint and 45 lb weight → Business Impact: Manageable installation footprint with predictable mounting → Application: Retrofit projects and new builds with standard enclosures.
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FAQs
Yes. The DCU1104FPM supports LC, SR, and EG terminations as specified, enabling flexible wiring configurations for PV arrays while maintaining the 200 A, 1000 VDC ratings.
The unit carries NEC 690 per UL 1741 and UL 98B certifications, confirming safety, solar code compliance, and enclosure integrity for PV installations.
It uses a NEMA 4 rated enclosure made from painted galvanized steel, providing weatherproof protection suitable for outdoor and harsh environments.
The device is rated for 200 A and up to 1000 VDC, with a single circuit configuration designed for solar applications.
Warranty follows Eaton Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first, providing coverage for manufacturing defects and service support.