Eaton DCU3061FWM DC Disconnect - NEMA 4X
Part Number: DCU3061FWM
Quick Summary
Eaton DCU3061FWM DC disconnect is a heavy-duty, ungrounded switch designed for solar PV installations. Engineers often struggle with outdoor reliability, safe fault isolation, and wiring compatibility in compact field enclosures. This unit meets NEC 690 per UL 1741 and UL 98B, and it uses a 304 stainless steel enclosure with a NEMA 4X rating to resist corrosion in harsh environments. With a 30 A rating and three main-lug configurations, it provides scalable protection for 600 VDC systems, while installation is simplified through clear labeling, robust lug capacity, and proven Eaton engineering. Its fusible protection and compatibility with PV applications help reduce downtime and maintenance costs across commercial and industrial projects.
Product Information
Extended Description
DCU3061FWM Eaton: Eaton heavy duty DC disconnect,DC disconnect/ungrounded system,30A,NEMA 4X,Grade 304 stainless steel,Fusible,Ungrounded,#14-#2 AWG lug capacity, #14-1/0 AWG solid return,600 Vdc,3,DC Photovoltaic Applications
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU3061FWM
UPC
786685557571
Product Length/Depth
10.22 in
Product Height
19.08 in
Product Width
12.88 in
Product Weight
39 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
30A
Number of circuits
3
Ground
Ungrounded
Maximum voltage
600 VDC
NEMA rating
NEMA 4X
Protection
Fusible
Application
Solar
Main lug wire size
#14-#2 AWG lug capacity, #14-1/0 AWG solid return
System voltage
600 VDC per pole
Voltage rating
600 VDC
Series
DC Photovoltaic Applications
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse configuration
Fusible
Switch type
Heavy duty
Protection
Fusible
30A, 3 circuits, and 600 VDC per pole deliver scalable protection for PV arrays while maintaining safe fault isolation, reducing field rework and downtime in every installation. The robust enclosure quality and NEMA 4X rating translate to corrosion resistance and reliable outdoor performance, lowering maintenance costs for long-term solar deployments. Fusible protection enables selective fault isolation, improving system safety and reducing arc-flash exposure during service. The ungro un ding system design simplifies wiring schemes and minimizes grounding complexities in ungrounded PV configurations, supporting safer commissioning and quicker system energization. Flexible lug capacity, including #14-#2 AWG for lugs and #14-1/0 AWG solid returns, enables straightforward field connections and faster install timelines. With glass-clear labeling and Eaton engineering, this unit meets NEC 690 per UL 1741 and UL 98B, ensuring compliance while supporting scalable, future-proof PV protection.
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FAQs
DCU3061FWM is designed for 600 VDC per pole with three circuits, offering 30 A of protection per configuration. The lug capacity supports #14-#2 AWG lugs and #14-1/0 AWG solid returns, enabling flexible, code-compliant wiring. This makes it suitable for mid-size PV arrays and scalable DC distribution while maintaining safe isolation and efficient field installation.
The unit meets NEC 690 per UL 1741 and UL 98B requirements, and it features a NEMA 4X enclosure with a 304 stainless steel construction. These certifications and ratings provide outdoor corrosion resistance, reliable enclosure integrity, and compliance with common PV installation standards, boosting confidence in long-term performance and safety.
Yes. The DCU3061FWM employs a NEMA 4X enclosure made from 304 stainless steel, specifically rated for outdoor environments. This construction resists corrosion, UV exposure, and weathering, ensuring durable operation for rooftop and ground-mounted solar installations with minimal maintenance.
Eaton provides a warranty per policy 25-000: one year from installation or 18 months from shipment, whichever comes first. This coverage supports ongoing performance assurance, and Eaton’s technical support can assist with installation guidance, troubleshooting, and field service planning for PV projects.
The device supports three circuits with a 30A rating and main-lug configurations that accommodate #14-#2 AWG lugs plus #14-1/0 AWG solid returns. This offers flexible field wiring options, simplifies configuration for multi-string PV systems, and reduces the need for adapters or additional junction components during installation.