Eaton DCU1102UWM disconnect - NEMA 4X
Part Number: DCU1102UWM
Quick Summary
Eaton heavy duty DC disconnect provides safe isolation for solar PV DC circuits. This rugged device simplifies maintenance by delivering rapid, reliable disconnection in outdoor environments. It carries UL 98B and NEC 690 per UL 1741 certifications with a durable NEMA 4X 304 stainless steel enclosure, built to withstand harsh conditions. With a 60 A rating at 1000 VDC, it supports dependable, code-compliant operation for commercial solar installations. Designed for solar applications, it offers #14-#2 AWG lug capacity and an ungrounded, non-fusible configuration, delivering long service life and reduced total cost of ownership for system owners and integrators.
Product Information
Extended Description
DCU1102UWM Eaton: Eaton Heavy duty DC disconnect, 60 A, NEMA 4X, Grade 304 stainless steel, Non-fusible, Ungrounded, #14-#2 AWG lug capacity, #14-#2 AWG solid return, 1, DC photovoltaic applications, Rating:1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU1102UWM
UPC
786685557977
Product Length/Depth
10.22 in
Product Height
14.14 in
Product Width
8.76 in
Product Weight
21 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
UL 98B NEC 690 per UL 1741
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
60 A
Number of circuits
1
Ground
Ungrounded
Protection
Non-fusible
Application
Solar
Main lug wire size
#14-#2 AWG lug capacity, #14-#2 AWG solid return
System voltage
1000 VDC
Voltage rating
1000 VDC
Series
DC photovoltaic applications
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse configuration
Non-fusible
Switch type
Heavy duty
Protection
Non-fusible
Durable enclosure and material: The 304 stainless steel NEMA 4X enclosure provides corrosion resistance and weatherproof performance, reducing maintenance cycles and protecting critical connections in outdoor PV installations. This translates to improved uptime and lower lifecycle costs for utilities and industrial facilities operating exposed solar DC disconnects. Application-wise, it is ideally suited for rooftop and ground-mounted PV arrays where reliability under sun, rain, and temperature swings matters most. Amperage, circuits, and protection: With a 60 A, single-circuit, non-fusible, ungrounded design, it delivers clear, safe isolation with minimal electrical noise and fault propagation. This supports straightforward lockout-tagout procedures and faster preventative maintenance, helping plant teams meet strict safety standards while keeping downtime to a minimum in high-availability solar sites. Electrical ratings and standards: Rated for 1000 VDC and UL 98B/NEC 690 per UL 1741, it aligns with critical grid-tied PV compliance requirements. For system integrators, this ensures compatibility with standardized DC disconnect practices and simplifies documentation for audits and inspection. Compatibility and installation: The #14-#2 AWG lug capacity and solid return wiring support typical PV conductor sizes, facilitating quick field connections. The ungrounded, non-fusible configuration reduces component count and simplifies procurement, while the compact footprint and stainless construction ease installation in constrained outdoor spaces. Industry context and value: In solar projects, durable, code-compliant disconnects shorten commissioning time, minimize repair events, and improve overall system reliability. This unit’s combination of rugged enclosure, robust electrical ratings, and straightforward installation is well-suited for mid-to-large scale PV deployments in harsh environments.
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FAQs
The DCU1102UWM supports a single circuit with main lug connections sized for #14-#2 AWG lugs, both for input and return. This configuration provides straightforward, code-compliant DC isolation for solar PV strings and associated equipment, while maintaining a compact footprint and reliable mechanical integrity during field wiring and commissioning.
Yes. The unit features a NEMA 4X enclosure made from 304 stainless steel, delivering excellent outdoor durability, weather resistance, and corrosion protection. Its rugged construction makes it suitable for rooftop and outdoor PV installations, exposed to environmental elements, without compromising electrical safety or performance.
DCU1102UWM is certified to UL 98B and designed to meet NEC 690 requirements per UL 1741. These certifications validate safe operation in solar DC systems and ensure compliance with recognized industry safety and fire protection standards for photovoltaic applications.
The DCU1102UWM is rated for 60 A with a system voltage of 1000 VDC, supporting a single circuit. This makes it appropriate for solar DC protection in medium to large PV arrays while aligning with common electrical codes and PV system design practices.
Eaton provides a warranty per policy 25-000: one year from the date of installation or eighteen months from shipment, whichever occurs first. This warranty covers manufacturing defects and supports field reliability, with standard Eaton customer support for maintenance guidance and replacement parts as needed.