Eaton DCU2102UWM Heavy Duty DC Disconnect - NEMA 4X UL98B
Part Number: DCU2102UWM
Quick Summary
DCU2102UWM is a heavy-duty DC disconnect designed for solar PV installations. It addresses space constraints and harsh outdoor conditions by delivering rugged protection in a compact footprint. The unit meets UL 98B and NEC 690 per UL 1741, with a NEMA 4X enclosure and 304 stainless steel construction to resist corrosion. Its ungrounded, non-fusible design simplifies maintenance and reduces fault pathways, while the 60 A, 2-circuit rating supports scalable PV arrays. By combining reliability with straightforward wiring, it offers safer, code-compliant installations and long-term lifecycle value for industrial solar projects.
Product Information
Extended Description
DCU2102UWM 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, 2, DC photovoltaic applications, Rating:1000 Vdc
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU2102UWM
UPC
786685558097
Product Length/Depth
10.22 in
Product Height
19.08 in
Product Width
12.88 in
Product Weight
37 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
2
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
Feature → Business Impact → Application: 60 A, two-circuit, non-fusible, ungrounded DC disconnect enables simplified system topology and safer maintenance while handling typical solar PV current levels; reduces fault pathways and protects personnel during servicing, ideal for 2-circuit string or array isolation in mid-size solar installations. Feature → Business Impact → Application: NEMA 4X enclosure with 304 stainless steel construction delivers corrosion resistance and weatherproofing, extending service life in outdoor PV yards or rooftop installations and lowering replacement costs. Feature → Business Impact → Application: Main lug capacity of #14-#2 AWG for both lug and solid return wiring supports common PV conductor sizes, enabling flexible field wiring and faster installation with minimal rewiring needed. Feature → Business Impact → Application: 1000 VDC system voltage support complies with high-voltage PV standards; enables scalable, future-ready solar projects while maintaining safety margins and reducing enclosure space needs. Feature → Business Impact → Application: UL 98B and NEC 690 per UL 1741 compliance provide peace of mind for code adherence and customer audits, reducing engineering hours and expediting project approvals. Feature → Business Impact → Application: 37 lb weight and precise 10.22 in L × 12.88 in W × 19.08 in H footprint offer a robust yet manageable solution that fits compact electrical rooms or rooftop enclosures, with straightforward mounting and service access.
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FAQs
DCU2102UWM supports a two-circuit, non-fusible und grounded DC disconnect with main lug connections sized for #14-#2 AWG conductors, both lug and solid return. This configuration enables straightforward field wiring for typical solar PV DC circuits while maintaining safe isolation and ease of maintenance.
The unit is rated for 60 A per circuit across two circuits and a system voltage of 1000 VDC. It is non-fusible and designed for ungrounded DC systems, making it suitable for high-voltage PV applications while providing reliable protection against overload and faults.
Yes. It features a NEMA 4X enclosure constructed from 304 stainless steel, delivering corrosion resistance and weatherproofing for outdoor rooftops or ground-mounted PV systems. This rugged construction supports long-term operation in harsh environments with reduced maintenance needs.
The DCU2102UWM complies with UL 98B and NEC 690 per UL 1741. This alignment provides assurance for electrical safety, installation compliance, and readiness for audits or inspections in solar projects.
The product carries Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports maintenance planning and reduces risk related to early-service costs, contributing to favorable total cost of ownership for solar projects.